<template>
  <BaseDialog
    :show="show"
    :title="t('admin.accounts.editAccount')"
    width="normal"
    @close="handleClose"
  >
    <form
      v-if="account"
      id="edit-account-form"
      @submit.prevent="handleSubmit"
      class="space-y-5"
    >
      <div>
        <label class="input-label">{{ t('common.name') }}</label>
        <input v-model="form.name" type="text" required class="input" data-tour="edit-account-form-name" />
      </div>
      <div>
        <label class="input-label">{{ t('admin.accounts.notes') }}</label>
        <textarea
          v-model="form.notes"
          rows="3"
          class="input"
          :placeholder="t('admin.accounts.notesPlaceholder')"
        ></textarea>
        <p class="input-hint">{{ t('admin.accounts.notesHint') }}</p>
      </div>

      <!-- API Key fields (only for apikey type) -->
      <div v-if="account.type === 'apikey'" class="space-y-4">
        <div>
          <label class="input-label">{{ t('admin.accounts.baseUrl') }}</label>
          <input
            v-model="editBaseUrl"
            type="text"
            class="input"
            :placeholder="
              account.platform === 'openai'
                ? 'https://api.openai.com'
                : account.platform === 'gemini'
                  ? 'https://generativelanguage.googleapis.com'
                  : 'https://api.anthropic.com'
            "
          />
          <p class="input-hint">{{ baseUrlHint }}</p>
        </div>
        <div>
          <label class="input-label">{{ t('admin.accounts.apiKey') }}</label>
          <input
            v-model="editApiKey"
            type="password"
            class="input font-mono"
            :placeholder="
              account.platform === 'openai'
                ? 'sk-proj-...'
                : account.platform === 'gemini'
                  ? 'AIza...'
                  : 'sk-ant-...'
            "
          />
          <p class="input-hint">{{ t('admin.accounts.leaveEmptyToKeep') }}</p>
        </div>

        <!-- Model Restriction Section (不适用于 Gemini) -->
        <div v-if="account.platform !== 'gemini'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
          <label class="input-label">{{ t('admin.accounts.modelRestriction') }}</label>

          <!-- Mode Toggle -->
          <div class="mb-4 flex gap-2">
            <button
              type="button"
              @click="modelRestrictionMode = 'whitelist'"
              :class="[
                'flex-1 rounded-lg px-4 py-2 text-sm font-medium transition-all',
                modelRestrictionMode === 'whitelist'
                  ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
                  : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
              ]"
            >
              <svg
                class="mr-1.5 inline h-4 w-4"
                fill="none"
                viewBox="0 0 24 24"
                stroke="currentColor"
              >
                <path
                  stroke-linecap="round"
                  stroke-linejoin="round"
                  stroke-width="2"
                  d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"
                />
              </svg>
              {{ t('admin.accounts.modelWhitelist') }}
            </button>
            <button
              type="button"
              @click="modelRestrictionMode = 'mapping'"
              :class="[
                'flex-1 rounded-lg px-4 py-2 text-sm font-medium transition-all',
                modelRestrictionMode === 'mapping'
                  ? 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400'
                  : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
              ]"
            >
              <svg
                class="mr-1.5 inline h-4 w-4"
                fill="none"
                viewBox="0 0 24 24"
                stroke="currentColor"
              >
                <path
                  stroke-linecap="round"
                  stroke-linejoin="round"
                  stroke-width="2"
                  d="M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4"
                />
              </svg>
              {{ t('admin.accounts.modelMapping') }}
            </button>
          </div>

          <!-- Whitelist Mode -->
          <div v-if="modelRestrictionMode === 'whitelist'">
            <ModelWhitelistSelector v-model="allowedModels" :platform="account?.platform || 'anthropic'" />
            <p class="text-xs text-gray-500 dark:text-gray-400">
              {{ t('admin.accounts.selectedModels', { count: allowedModels.length }) }}
              <span v-if="allowedModels.length === 0">{{
                t('admin.accounts.supportsAllModels')
              }}</span>
            </p>
          </div>

          <!-- Mapping Mode -->
          <div v-else>
            <div class="mb-3 rounded-lg bg-purple-50 p-3 dark:bg-purple-900/20">
              <p class="text-xs text-purple-700 dark:text-purple-400">
                <svg
                  class="mr-1 inline h-4 w-4"
                  fill="none"
                  viewBox="0 0 24 24"
                  stroke="currentColor"
                >
                  <path
                    stroke-linecap="round"
                    stroke-linejoin="round"
                    stroke-width="2"
                    d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
                  />
                </svg>
                {{ t('admin.accounts.mapRequestModels') }}
              </p>
            </div>

            <!-- Model Mapping List -->
            <div v-if="modelMappings.length > 0" class="mb-3 space-y-2">
              <div
                v-for="(mapping, index) in modelMappings"
                :key="index"
                class="flex items-center gap-2"
              >
                <input
                  v-model="mapping.from"
                  type="text"
                  class="input flex-1"
                  :placeholder="t('admin.accounts.requestModel')"
                />
                <svg
                  class="h-4 w-4 flex-shrink-0 text-gray-400"
                  fill="none"
                  viewBox="0 0 24 24"
                  stroke="currentColor"
                >
                  <path
                    stroke-linecap="round"
                    stroke-linejoin="round"
                    stroke-width="2"
                    d="M14 5l7 7m0 0l-7 7m7-7H3"
                  />
                </svg>
                <input
                  v-model="mapping.to"
                  type="text"
                  class="input flex-1"
                  :placeholder="t('admin.accounts.actualModel')"
                />
                <button
                  type="button"
                  @click="removeModelMapping(index)"
                  class="rounded-lg p-2 text-red-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20"
                >
                  <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                    <path
                      stroke-linecap="round"
                      stroke-linejoin="round"
                      stroke-width="2"
                      d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
                    />
                  </svg>
                </button>
              </div>
            </div>

            <button
              type="button"
              @click="addModelMapping"
              class="mb-3 w-full rounded-lg border-2 border-dashed border-gray-300 px-4 py-2 text-gray-600 transition-colors hover:border-gray-400 hover:text-gray-700 dark:border-dark-500 dark:text-gray-400 dark:hover:border-dark-400 dark:hover:text-gray-300"
            >
              <svg
                class="mr-1 inline h-4 w-4"
                fill="none"
                viewBox="0 0 24 24"
                stroke="currentColor"
              >
                <path
                  stroke-linecap="round"
                  stroke-linejoin="round"
                  stroke-width="2"
                  d="M12 4v16m8-8H4"
                />
              </svg>
              {{ t('admin.accounts.addMapping') }}
            </button>

            <!-- Quick Add Buttons -->
            <div class="flex flex-wrap gap-2">
              <button
                v-for="preset in presetMappings"
                :key="preset.label"
                type="button"
                @click="addPresetMapping(preset.from, preset.to)"
                :class="['rounded-lg px-3 py-1 text-xs transition-colors', preset.color]"
              >
                + {{ preset.label }}
              </button>
            </div>
          </div>
        </div>

        <!-- Custom Error Codes Section -->
        <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
          <div class="mb-3 flex items-center justify-between">
            <div>
              <label class="input-label mb-0">{{ t('admin.accounts.customErrorCodes') }}</label>
              <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
                {{ t('admin.accounts.customErrorCodesHint') }}
              </p>
            </div>
            <button
              type="button"
              @click="customErrorCodesEnabled = !customErrorCodesEnabled"
              :class="[
                'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
                customErrorCodesEnabled ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
              ]"
            >
              <span
                :class="[
                  'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
                  customErrorCodesEnabled ? 'translate-x-5' : 'translate-x-0'
                ]"
              />
            </button>
          </div>

          <div v-if="customErrorCodesEnabled" class="space-y-3">
            <div class="rounded-lg bg-amber-50 p-3 dark:bg-amber-900/20">
              <p class="text-xs text-amber-700 dark:text-amber-400">
                <Icon name="exclamationTriangle" size="sm" class="mr-1 inline" :stroke-width="2" />
                {{ t('admin.accounts.customErrorCodesWarning') }}
              </p>
            </div>

            <!-- Error Code Buttons -->
            <div class="flex flex-wrap gap-2">
              <button
                v-for="code in commonErrorCodes"
                :key="code.value"
                type="button"
                @click="toggleErrorCode(code.value)"
                :class="[
                  'rounded-lg px-3 py-1.5 text-sm font-medium transition-colors',
                  selectedErrorCodes.includes(code.value)
                    ? 'bg-red-100 text-red-700 ring-1 ring-red-500 dark:bg-red-900/30 dark:text-red-400'
                    : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
                ]"
              >
                {{ code.value }} {{ code.label }}
              </button>
            </div>

            <!-- Manual input -->
            <div class="flex items-center gap-2">
              <input
                v-model.number="customErrorCodeInput"
                type="number"
                min="100"
                max="599"
                class="input flex-1"
                :placeholder="t('admin.accounts.enterErrorCode')"
                @keyup.enter="addCustomErrorCode"
              />
              <button type="button" @click="addCustomErrorCode" class="btn btn-secondary px-3">
                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                  <path
                    stroke-linecap="round"
                    stroke-linejoin="round"
                    stroke-width="2"
                    d="M12 4v16m8-8H4"
                  />
                </svg>
              </button>
            </div>

            <!-- Selected codes summary -->
            <div class="flex flex-wrap gap-1.5">
              <span
                v-for="code in selectedErrorCodes.sort((a, b) => a - b)"
                :key="code"
                class="inline-flex items-center gap-1 rounded-full bg-red-100 px-2.5 py-0.5 text-sm font-medium text-red-700 dark:bg-red-900/30 dark:text-red-400"
              >
                {{ code }}
                <button
                  type="button"
                  @click="removeErrorCode(code)"
                  class="hover:text-red-900 dark:hover:text-red-300"
                >
                  <Icon name="x" size="sm" :stroke-width="2" />
                </button>
              </span>
              <span v-if="selectedErrorCodes.length === 0" class="text-xs text-gray-400">
                {{ t('admin.accounts.noneSelectedUsesDefault') }}
              </span>
            </div>
          </div>
        </div>

        <!-- Gemini 模型说明 -->
        <div v-if="account.platform === 'gemini'" class="border-t border-gray-200 pt-4 dark:border-dark-600">
          <div class="rounded-lg bg-blue-50 p-4 dark:bg-blue-900/20">
            <div class="flex items-start gap-3">
              <svg
                class="h-5 w-5 flex-shrink-0 text-blue-600 dark:text-blue-400"
                fill="none"
                viewBox="0 0 24 24"
                stroke="currentColor"
              >
                <path
                  stroke-linecap="round"
                  stroke-linejoin="round"
                  stroke-width="2"
                  d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
                />
              </svg>
              <div>
                <p class="text-sm font-medium text-blue-800 dark:text-blue-300">
                  {{ t('admin.accounts.gemini.modelPassthrough') }}
                </p>
                <p class="mt-1 text-xs text-blue-700 dark:text-blue-400">
                  {{ t('admin.accounts.gemini.modelPassthroughDesc') }}
                </p>
              </div>
            </div>
          </div>
        </div>
      </div>

      <!-- Temp Unschedulable Rules -->
      <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
        <div class="mb-3 flex items-center justify-between">
          <div>
            <label class="input-label mb-0">{{ t('admin.accounts.tempUnschedulable.title') }}</label>
            <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
              {{ t('admin.accounts.tempUnschedulable.hint') }}
            </p>
          </div>
          <button
            type="button"
            @click="tempUnschedEnabled = !tempUnschedEnabled"
            :class="[
              'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
              tempUnschedEnabled ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
            ]"
          >
            <span
              :class="[
                'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
                tempUnschedEnabled ? 'translate-x-5' : 'translate-x-0'
              ]"
            />
          </button>
        </div>

        <div v-if="tempUnschedEnabled" class="space-y-3">
          <div class="rounded-lg bg-blue-50 p-3 dark:bg-blue-900/20">
            <p class="text-xs text-blue-700 dark:text-blue-400">
              <Icon name="exclamationTriangle" size="sm" class="mr-1 inline" :stroke-width="2" />
              {{ t('admin.accounts.tempUnschedulable.notice') }}
            </p>
          </div>

          <div class="flex flex-wrap gap-2">
            <button
              v-for="preset in tempUnschedPresets"
              :key="preset.label"
              type="button"
              @click="addTempUnschedRule(preset.rule)"
              class="rounded-lg bg-gray-100 px-3 py-1.5 text-xs font-medium text-gray-600 transition-colors hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-300 dark:hover:bg-dark-500"
            >
              + {{ preset.label }}
            </button>
          </div>

          <div v-if="tempUnschedRules.length > 0" class="space-y-3">
            <div
              v-for="(rule, index) in tempUnschedRules"
              :key="index"
              class="rounded-lg border border-gray-200 p-3 dark:border-dark-600"
            >
              <div class="mb-2 flex items-center justify-between">
                <span class="text-xs font-medium text-gray-500 dark:text-gray-400">
                  {{ t('admin.accounts.tempUnschedulable.ruleIndex', { index: index + 1 }) }}
                </span>
                <div class="flex items-center gap-2">
                  <button
                    type="button"
                    :disabled="index === 0"
                    @click="moveTempUnschedRule(index, -1)"
                    class="rounded p-1 text-gray-400 transition-colors hover:text-gray-600 disabled:cursor-not-allowed disabled:opacity-40 dark:hover:text-gray-200"
                  >
                    <Icon name="chevronUp" size="sm" :stroke-width="2" />
                  </button>
                  <button
                    type="button"
                    :disabled="index === tempUnschedRules.length - 1"
                    @click="moveTempUnschedRule(index, 1)"
                    class="rounded p-1 text-gray-400 transition-colors hover:text-gray-600 disabled:cursor-not-allowed disabled:opacity-40 dark:hover:text-gray-200"
                  >
                    <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
                    </svg>
                  </button>
                  <button
                    type="button"
                    @click="removeTempUnschedRule(index)"
                    class="rounded p-1 text-red-500 transition-colors hover:text-red-600"
                  >
                    <Icon name="x" size="sm" :stroke-width="2" />
                  </button>
                </div>
              </div>

              <div class="grid grid-cols-1 gap-3 sm:grid-cols-2">
                <div>
                  <label class="input-label">{{ t('admin.accounts.tempUnschedulable.errorCode') }}</label>
                  <input
                    v-model.number="rule.error_code"
                    type="number"
                    min="100"
                    max="599"
                    class="input"
                    :placeholder="t('admin.accounts.tempUnschedulable.errorCodePlaceholder')"
                  />
                </div>
                <div>
                  <label class="input-label">{{ t('admin.accounts.tempUnschedulable.durationMinutes') }}</label>
                  <input
                    v-model.number="rule.duration_minutes"
                    type="number"
                    min="1"
                    class="input"
                    :placeholder="t('admin.accounts.tempUnschedulable.durationPlaceholder')"
                  />
                </div>
                <div class="sm:col-span-2">
                  <label class="input-label">{{ t('admin.accounts.tempUnschedulable.keywords') }}</label>
                  <input
                    v-model="rule.keywords"
                    type="text"
                    class="input"
                    :placeholder="t('admin.accounts.tempUnschedulable.keywordsPlaceholder')"
                  />
                  <p class="input-hint">{{ t('admin.accounts.tempUnschedulable.keywordsHint') }}</p>
                </div>
                <div class="sm:col-span-2">
                  <label class="input-label">{{ t('admin.accounts.tempUnschedulable.description') }}</label>
                  <input
                    v-model="rule.description"
                    type="text"
                    class="input"
                    :placeholder="t('admin.accounts.tempUnschedulable.descriptionPlaceholder')"
                  />
                </div>
              </div>
            </div>
          </div>

          <button
            type="button"
            @click="addTempUnschedRule()"
            class="w-full rounded-lg border-2 border-dashed border-gray-300 px-4 py-2 text-sm text-gray-600 transition-colors hover:border-gray-400 hover:text-gray-700 dark:border-dark-500 dark:text-gray-400 dark:hover:border-dark-400 dark:hover:text-gray-300"
          >
            <svg
              class="mr-1 inline h-4 w-4"
              fill="none"
              viewBox="0 0 24 24"
              stroke="currentColor"
            >
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4" />
            </svg>
            {{ t('admin.accounts.tempUnschedulable.addRule') }}
          </button>
        </div>
      </div>

      <!-- Intercept Warmup Requests (Anthropic only) -->
      <div
        v-if="account?.platform === 'anthropic'"
        class="border-t border-gray-200 pt-4 dark:border-dark-600"
      >
        <div class="flex items-center justify-between">
          <div>
            <label class="input-label mb-0">{{
              t('admin.accounts.interceptWarmupRequests')
            }}</label>
            <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
              {{ t('admin.accounts.interceptWarmupRequestsDesc') }}
            </p>
          </div>
          <button
            type="button"
            @click="interceptWarmupRequests = !interceptWarmupRequests"
            :class="[
              'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
              interceptWarmupRequests ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
            ]"
          >
            <span
              :class="[
                'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
                interceptWarmupRequests ? 'translate-x-5' : 'translate-x-0'
              ]"
            />
          </button>
        </div>
      </div>

      <div>
        <label class="input-label">{{ t('admin.accounts.proxy') }}</label>
        <ProxySelector v-model="form.proxy_id" :proxies="proxies" />
      </div>

      <div class="grid grid-cols-2 gap-4">
        <div>
          <label class="input-label">{{ t('admin.accounts.concurrency') }}</label>
          <input v-model.number="form.concurrency" type="number" min="1" class="input" />
        </div>
        <div>
          <label class="input-label">{{ t('admin.accounts.priority') }}</label>
          <input
            v-model.number="form.priority"
            type="number"
            min="1"
            class="input"
            data-tour="account-form-priority"
          />
        </div>
      </div>

      <div>
        <label class="input-label">{{ t('common.status') }}</label>
        <Select v-model="form.status" :options="statusOptions" />
      </div>

      <!-- Mixed Scheduling (only for antigravity accounts, read-only in edit mode) -->
      <div v-if="account?.platform === 'antigravity'" class="flex items-center gap-2">
        <label class="flex cursor-not-allowed items-center gap-2 opacity-60">
          <input
            type="checkbox"
            v-model="mixedScheduling"
            disabled
            class="h-4 w-4 cursor-not-allowed rounded border-gray-300 text-primary-500 focus:ring-primary-500 dark:border-dark-500"
          />
          <span class="text-sm font-medium text-gray-700 dark:text-gray-300">
            {{ t('admin.accounts.mixedScheduling') }}
          </span>
        </label>
        <div class="group relative">
          <span
            class="inline-flex h-4 w-4 cursor-help items-center justify-center rounded-full bg-gray-200 text-xs text-gray-500 hover:bg-gray-300 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500"
          >
            ?
          </span>
          <!-- Tooltip（向下显示避免被弹窗裁剪） -->
          <div
            class="pointer-events-none absolute left-0 top-full z-[100] mt-1.5 w-72 rounded bg-gray-900 px-3 py-2 text-xs text-white opacity-0 transition-opacity group-hover:opacity-100 dark:bg-gray-700"
          >
            {{ t('admin.accounts.mixedSchedulingTooltip') }}
            <div
              class="absolute bottom-full left-3 border-4 border-transparent border-b-gray-900 dark:border-b-gray-700"
            ></div>
          </div>
        </div>
      </div>

      <!-- Group Selection - 仅标准模式显示 -->
      <GroupSelector
        v-if="!authStore.isSimpleMode"
        v-model="form.group_ids"
        :groups="groups"
        :platform="account?.platform"
        :mixed-scheduling="mixedScheduling"
        data-tour="account-form-groups"
      />

    </form>

    <template #footer>
      <div v-if="account" class="flex justify-end gap-3">
        <button @click="handleClose" type="button" class="btn btn-secondary">
          {{ t('common.cancel') }}
        </button>
        <button
          type="submit"
          form="edit-account-form"
          :disabled="submitting"
          class="btn btn-primary"
          data-tour="account-form-submit"
        >
          <svg
            v-if="submitting"
            class="-ml-1 mr-2 h-4 w-4 animate-spin"
            fill="none"
            viewBox="0 0 24 24"
          >
            <circle
              class="opacity-25"
              cx="12"
              cy="12"
              r="10"
              stroke="currentColor"
              stroke-width="4"
            ></circle>
            <path
              class="opacity-75"
              fill="currentColor"
              d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
            ></path>
          </svg>
          {{ submitting ? t('admin.accounts.updating') : t('common.update') }}
        </button>
      </div>
    </template>
  </BaseDialog>
</template>

<script setup lang="ts">
import { ref, reactive, computed, watch } from 'vue'
import { useI18n } from 'vue-i18n'
import { useAppStore } from '@/stores/app'
import { useAuthStore } from '@/stores/auth'
import { adminAPI } from '@/api/admin'
import type { Account, Proxy, Group } from '@/types'
import BaseDialog from '@/components/common/BaseDialog.vue'
import Select from '@/components/common/Select.vue'
import Icon from '@/components/icons/Icon.vue'
import ProxySelector from '@/components/common/ProxySelector.vue'
import GroupSelector from '@/components/common/GroupSelector.vue'
import ModelWhitelistSelector from '@/components/account/ModelWhitelistSelector.vue'
import {
  getPresetMappingsByPlatform,
  commonErrorCodes,
  buildModelMappingObject
} from '@/composables/useModelWhitelist'

interface Props {
  show: boolean
  account: Account | null
  proxies: Proxy[]
  groups: Group[]
}

const props = defineProps<Props>()
const emit = defineEmits<{
  close: []
  updated: []
}>()

const { t } = useI18n()
const appStore = useAppStore()
const authStore = useAuthStore()

// Platform-specific hint for Base URL
const baseUrlHint = computed(() => {
  if (!props.account) return t('admin.accounts.baseUrlHint')
  if (props.account.platform === 'openai') return t('admin.accounts.openai.baseUrlHint')
  if (props.account.platform === 'gemini') return t('admin.accounts.gemini.baseUrlHint')
  return t('admin.accounts.baseUrlHint')
})

// Model mapping type
interface ModelMapping {
  from: string
  to: string
}

interface TempUnschedRuleForm {
  error_code: number | null
  keywords: string
  duration_minutes: number | null
  description: string
}

// State
const submitting = ref(false)
const editBaseUrl = ref('https://api.anthropic.com')
const editApiKey = ref('')
const modelMappings = ref<ModelMapping[]>([])
const modelRestrictionMode = ref<'whitelist' | 'mapping'>('whitelist')
const allowedModels = ref<string[]>([])
const customErrorCodesEnabled = ref(false)
const selectedErrorCodes = ref<number[]>([])
const customErrorCodeInput = ref<number | null>(null)
const interceptWarmupRequests = ref(false)
const mixedScheduling = ref(false) // For antigravity accounts: enable mixed scheduling
const tempUnschedEnabled = ref(false)
const tempUnschedRules = ref<TempUnschedRuleForm[]>([])

// Computed: current preset mappings based on platform
const presetMappings = computed(() => getPresetMappingsByPlatform(props.account?.platform || 'anthropic'))
const tempUnschedPresets = computed(() => [
  {
    label: t('admin.accounts.tempUnschedulable.presets.overloadLabel'),
    rule: {
      error_code: 529,
      keywords: 'overloaded, too many',
      duration_minutes: 60,
      description: t('admin.accounts.tempUnschedulable.presets.overloadDesc')
    }
  },
  {
    label: t('admin.accounts.tempUnschedulable.presets.rateLimitLabel'),
    rule: {
      error_code: 429,
      keywords: 'rate limit, too many requests',
      duration_minutes: 10,
      description: t('admin.accounts.tempUnschedulable.presets.rateLimitDesc')
    }
  },
  {
    label: t('admin.accounts.tempUnschedulable.presets.unavailableLabel'),
    rule: {
      error_code: 503,
      keywords: 'unavailable, maintenance',
      duration_minutes: 30,
      description: t('admin.accounts.tempUnschedulable.presets.unavailableDesc')
    }
  }
])

// Computed: default base URL based on platform
const defaultBaseUrl = computed(() => {
  if (props.account?.platform === 'openai') return 'https://api.openai.com'
  if (props.account?.platform === 'gemini') return 'https://generativelanguage.googleapis.com'
  return 'https://api.anthropic.com'
})

const form = reactive({
  name: '',
  notes: '',
  proxy_id: null as number | null,
  concurrency: 1,
  priority: 1,
  status: 'active' as 'active' | 'inactive',
  group_ids: [] as number[]
})

const statusOptions = computed(() => [
  { value: 'active', label: t('common.active') },
  { value: 'inactive', label: t('common.inactive') }
])

// Watchers
watch(
  () => props.account,
  (newAccount) => {
    if (newAccount) {
      form.name = newAccount.name
      form.notes = newAccount.notes || ''
      form.proxy_id = newAccount.proxy_id
      form.concurrency = newAccount.concurrency
      form.priority = newAccount.priority
      form.status = newAccount.status as 'active' | 'inactive'
      form.group_ids = newAccount.group_ids || []

      // Load intercept warmup requests setting (applies to all account types)
      const credentials = newAccount.credentials as Record<string, unknown> | undefined
      interceptWarmupRequests.value = credentials?.intercept_warmup_requests === true

      // Load mixed scheduling setting (only for antigravity accounts)
      const extra = newAccount.extra as Record<string, unknown> | undefined
      mixedScheduling.value = extra?.mixed_scheduling === true

      loadTempUnschedRules(credentials)

      // Initialize API Key fields for apikey type
      if (newAccount.type === 'apikey' && newAccount.credentials) {
        const credentials = newAccount.credentials as Record<string, unknown>
        const platformDefaultUrl =
          newAccount.platform === 'openai'
            ? 'https://api.openai.com'
            : newAccount.platform === 'gemini'
              ? 'https://generativelanguage.googleapis.com'
              : 'https://api.anthropic.com'
        editBaseUrl.value = (credentials.base_url as string) || platformDefaultUrl

        // Load model mappings and detect mode
        const existingMappings = credentials.model_mapping as Record<string, string> | undefined
        if (existingMappings && typeof existingMappings === 'object') {
          const entries = Object.entries(existingMappings)

          // Detect if this is whitelist mode (all from === to) or mapping mode
          const isWhitelistMode = entries.length > 0 && entries.every(([from, to]) => from === to)

          if (isWhitelistMode) {
            // Whitelist mode: populate allowedModels
            modelRestrictionMode.value = 'whitelist'
            allowedModels.value = entries.map(([from]) => from)
            modelMappings.value = []
          } else {
            // Mapping mode: populate modelMappings
            modelRestrictionMode.value = 'mapping'
            modelMappings.value = entries.map(([from, to]) => ({ from, to }))
            allowedModels.value = []
          }
        } else {
          // No mappings: default to whitelist mode with empty selection (allow all)
          modelRestrictionMode.value = 'whitelist'
          modelMappings.value = []
          allowedModels.value = []
        }

        // Load custom error codes
        customErrorCodesEnabled.value = credentials.custom_error_codes_enabled === true
        const existingErrorCodes = credentials.custom_error_codes as number[] | undefined
        if (existingErrorCodes && Array.isArray(existingErrorCodes)) {
          selectedErrorCodes.value = [...existingErrorCodes]
        } else {
          selectedErrorCodes.value = []
        }
      } else {
        const platformDefaultUrl =
          newAccount.platform === 'openai'
            ? 'https://api.openai.com'
            : newAccount.platform === 'gemini'
              ? 'https://generativelanguage.googleapis.com'
              : 'https://api.anthropic.com'
        editBaseUrl.value = platformDefaultUrl
        modelRestrictionMode.value = 'whitelist'
        modelMappings.value = []
        allowedModels.value = []
        customErrorCodesEnabled.value = false
        selectedErrorCodes.value = []
      }
      editApiKey.value = ''
    }
  },
  { immediate: true }
)

// Model mapping helpers
const addModelMapping = () => {
  modelMappings.value.push({ from: '', to: '' })
}

const removeModelMapping = (index: number) => {
  modelMappings.value.splice(index, 1)
}

const addPresetMapping = (from: string, to: string) => {
  const exists = modelMappings.value.some((m) => m.from === from)
  if (exists) {
    appStore.showInfo(t('admin.accounts.mappingExists', { model: from }))
    return
  }
  modelMappings.value.push({ from, to })
}

// Error code toggle helper
const toggleErrorCode = (code: number) => {
  const index = selectedErrorCodes.value.indexOf(code)
  if (index === -1) {
    selectedErrorCodes.value.push(code)
  } else {
    selectedErrorCodes.value.splice(index, 1)
  }
}

// Add custom error code from input
const addCustomErrorCode = () => {
  const code = customErrorCodeInput.value
  if (code === null || code < 100 || code > 599) {
    appStore.showError(t('admin.accounts.invalidErrorCode'))
    return
  }
  if (selectedErrorCodes.value.includes(code)) {
    appStore.showInfo(t('admin.accounts.errorCodeExists'))
    return
  }
  selectedErrorCodes.value.push(code)
  customErrorCodeInput.value = null
}

// Remove error code
const removeErrorCode = (code: number) => {
  const index = selectedErrorCodes.value.indexOf(code)
  if (index !== -1) {
    selectedErrorCodes.value.splice(index, 1)
  }
}

const addTempUnschedRule = (preset?: TempUnschedRuleForm) => {
  if (preset) {
    tempUnschedRules.value.push({ ...preset })
    return
  }
  tempUnschedRules.value.push({
    error_code: null,
    keywords: '',
    duration_minutes: 30,
    description: ''
  })
}

const removeTempUnschedRule = (index: number) => {
  tempUnschedRules.value.splice(index, 1)
}

const moveTempUnschedRule = (index: number, direction: number) => {
  const target = index + direction
  if (target < 0 || target >= tempUnschedRules.value.length) return
  const rules = tempUnschedRules.value
  const current = rules[index]
  rules[index] = rules[target]
  rules[target] = current
}

const buildTempUnschedRules = (rules: TempUnschedRuleForm[]) => {
  const out: Array<{
    error_code: number
    keywords: string[]
    duration_minutes: number
    description: string
  }> = []

  for (const rule of rules) {
    const errorCode = Number(rule.error_code)
    const duration = Number(rule.duration_minutes)
    const keywords = splitTempUnschedKeywords(rule.keywords)
    if (!Number.isFinite(errorCode) || errorCode < 100 || errorCode > 599) {
      continue
    }
    if (!Number.isFinite(duration) || duration <= 0) {
      continue
    }
    if (keywords.length === 0) {
      continue
    }
    out.push({
      error_code: Math.trunc(errorCode),
      keywords,
      duration_minutes: Math.trunc(duration),
      description: rule.description.trim()
    })
  }

  return out
}

const applyTempUnschedConfig = (credentials: Record<string, unknown>) => {
  if (!tempUnschedEnabled.value) {
    delete credentials.temp_unschedulable_enabled
    delete credentials.temp_unschedulable_rules
    return true
  }

  const rules = buildTempUnschedRules(tempUnschedRules.value)
  if (rules.length === 0) {
    appStore.showError(t('admin.accounts.tempUnschedulable.rulesInvalid'))
    return false
  }

  credentials.temp_unschedulable_enabled = true
  credentials.temp_unschedulable_rules = rules
  return true
}

function loadTempUnschedRules(credentials?: Record<string, unknown>) {
  tempUnschedEnabled.value = credentials?.temp_unschedulable_enabled === true
  const rawRules = credentials?.temp_unschedulable_rules
  if (!Array.isArray(rawRules)) {
    tempUnschedRules.value = []
    return
  }

  tempUnschedRules.value = rawRules.map((rule) => {
    const entry = rule as Record<string, unknown>
    return {
      error_code: toPositiveNumber(entry.error_code),
      keywords: formatTempUnschedKeywords(entry.keywords),
      duration_minutes: toPositiveNumber(entry.duration_minutes),
      description: typeof entry.description === 'string' ? entry.description : ''
    }
  })
}

function formatTempUnschedKeywords(value: unknown) {
  if (Array.isArray(value)) {
    return value
      .filter((item): item is string => typeof item === 'string')
      .map((item) => item.trim())
      .filter((item) => item.length > 0)
      .join(', ')
  }
  if (typeof value === 'string') {
    return value
  }
  return ''
}

const splitTempUnschedKeywords = (value: string) => {
  return value
    .split(/[,;]/)
    .map((item) => item.trim())
    .filter((item) => item.length > 0)
}

function toPositiveNumber(value: unknown) {
  const num = Number(value)
  if (!Number.isFinite(num) || num <= 0) {
    return null
  }
  return Math.trunc(num)
}

// Methods
const handleClose = () => {
  emit('close')
}

const handleSubmit = async () => {
  if (!props.account) return

  submitting.value = true
  try {
    const updatePayload: Record<string, unknown> = { ...form }

    // For apikey type, handle credentials update
    if (props.account.type === 'apikey') {
      const currentCredentials = (props.account.credentials as Record<string, unknown>) || {}
      const newBaseUrl = editBaseUrl.value.trim() || defaultBaseUrl.value
      const modelMapping = buildModelMappingObject(modelRestrictionMode.value, allowedModels.value, modelMappings.value)

      // Always update credentials for apikey type to handle model mapping changes
      const newCredentials: Record<string, unknown> = {
        base_url: newBaseUrl
      }

      // Handle API key
      if (editApiKey.value.trim()) {
        // User provided a new API key
        newCredentials.api_key = editApiKey.value.trim()
      } else if (currentCredentials.api_key) {
        // Preserve existing api_key
        newCredentials.api_key = currentCredentials.api_key
      } else {
        appStore.showError(t('admin.accounts.apiKeyIsRequired'))
        submitting.value = false
        return
      }

      // Add model mapping if configured
      if (modelMapping) {
        newCredentials.model_mapping = modelMapping
      }

      // Add custom error codes if enabled
      if (customErrorCodesEnabled.value) {
        newCredentials.custom_error_codes_enabled = true
        newCredentials.custom_error_codes = [...selectedErrorCodes.value]
      }

      // Add intercept warmup requests setting
      if (interceptWarmupRequests.value) {
        newCredentials.intercept_warmup_requests = true
      }

      if (!applyTempUnschedConfig(newCredentials)) {
        submitting.value = false
        return
      }

      updatePayload.credentials = newCredentials
    } else {
      // For oauth/setup-token types, only update intercept_warmup_requests if changed
      const currentCredentials = (props.account.credentials as Record<string, unknown>) || {}
      const newCredentials: Record<string, unknown> = { ...currentCredentials }

      if (interceptWarmupRequests.value) {
        newCredentials.intercept_warmup_requests = true
      } else {
        delete newCredentials.intercept_warmup_requests
      }

      if (!applyTempUnschedConfig(newCredentials)) {
        submitting.value = false
        return
      }

      updatePayload.credentials = newCredentials
    }

    // For antigravity accounts, handle mixed_scheduling in extra
    if (props.account.platform === 'antigravity') {
      const currentExtra = (props.account.extra as Record<string, unknown>) || {}
      const newExtra: Record<string, unknown> = { ...currentExtra }
      if (mixedScheduling.value) {
        newExtra.mixed_scheduling = true
      } else {
        delete newExtra.mixed_scheduling
      }
      updatePayload.extra = newExtra
    }

    await adminAPI.accounts.update(props.account.id, updatePayload)
    appStore.showSuccess(t('admin.accounts.accountUpdated'))
    emit('updated')
    handleClose()
  } catch (error: any) {
    appStore.showError(error.response?.data?.detail || t('admin.accounts.failedToUpdate'))
  } finally {
    submitting.value = false
  }
}
</script>
