/**
 * Core Type Definitions for Sub2API Frontend
 */

// ==================== User & Auth Types ====================

export interface User {
  id: number
  username: string
  notes: string
  email: string
  role: 'admin' | 'user' // User role for authorization
  balance: number // User balance for API usage
  concurrency: number // Allowed concurrent requests
  status: 'active' | 'disabled' // Account status
  allowed_groups: number[] | null // Allowed group IDs (null = all non-exclusive groups)
  subscriptions?: UserSubscription[] // User's active subscriptions
  created_at: string
  updated_at: string
}

export interface LoginRequest {
  email: string
  password: string
  turnstile_token?: string
}

export interface RegisterRequest {
  email: string
  password: string
  verify_code?: string
  turnstile_token?: string
}

export interface SendVerifyCodeRequest {
  email: string
  turnstile_token?: string
}

export interface SendVerifyCodeResponse {
  message: string
  countdown: number
}

export interface PublicSettings {
  registration_enabled: boolean
  email_verify_enabled: boolean
  turnstile_enabled: boolean
  turnstile_site_key: string
  site_name: string
  site_logo: string
  site_subtitle: string
  api_base_url: string
  contact_info: string
  doc_url: string
  version: string
}

export interface AuthResponse {
  access_token: string
  token_type: string
  user: User & { run_mode?: 'standard' | 'simple' }
}

export interface CurrentUserResponse extends User {
  run_mode?: 'standard' | 'simple'
}

// ==================== Subscription Types ====================

export interface Subscription {
  id: number
  user_id: number
  name: string
  url: string
  type: 'clash' | 'v2ray' | 'surge' | 'quantumult' | 'shadowrocket'
  update_interval: number // in hours
  last_updated: string | null
  node_count: number
  is_active: boolean
  created_at: string
  updated_at: string
}

export interface CreateSubscriptionRequest {
  name: string
  url: string
  type: Subscription['type']
  update_interval?: number
}

export interface UpdateSubscriptionRequest {
  name?: string
  url?: string
  type?: Subscription['type']
  update_interval?: number
  is_active?: boolean
}

// ==================== Proxy Node Types ====================

export interface ProxyNode {
  id: number
  subscription_id: number
  name: string
  type: 'ss' | 'ssr' | 'vmess' | 'vless' | 'trojan' | 'hysteria' | 'hysteria2'
  server: string
  port: number
  config: Record<string, unknown> // JSON configuration specific to proxy type
  latency: number | null // in milliseconds
  last_checked: string | null
  is_available: boolean
  created_at: string
  updated_at: string
}

// ==================== Conversion Types ====================

export interface ConversionRequest {
  subscription_ids: number[]
  target_type: 'clash' | 'v2ray' | 'surge' | 'quantumult' | 'shadowrocket'
  filter?: {
    name_pattern?: string
    types?: ProxyNode['type'][]
    min_latency?: number
    max_latency?: number
    available_only?: boolean
  }
  sort?: {
    by: 'name' | 'latency' | 'type'
    order: 'asc' | 'desc'
  }
}

export interface ConversionResult {
  url: string // URL to download the converted subscription
  expires_at: string
  node_count: number
}

// ==================== Statistics Types ====================

export interface SubscriptionStats {
  subscription_id: number
  total_nodes: number
  available_nodes: number
  avg_latency: number | null
  by_type: Record<ProxyNode['type'], number>
  last_update: string
}

export interface UserStats {
  total_subscriptions: number
  total_nodes: number
  active_subscriptions: number
  total_conversions: number
  last_conversion: string | null
}

// ==================== API Response Types ====================

export interface ApiResponse<T = unknown> {
  code: number
  message: string
  data: T
}

export interface ApiError {
  detail: string
  code?: string
  field?: string
}

export interface PaginatedResponse<T> {
  items: T[]
  total: number
  page: number
  page_size: number
  pages: number
}

// ==================== UI State Types ====================

export type ToastType = 'success' | 'error' | 'info' | 'warning'

export interface Toast {
  id: string
  type: ToastType
  message: string
  title?: string
  duration?: number // in milliseconds, undefined means no auto-dismiss
  startTime?: number // timestamp when toast was created, for progress bar
}

export interface AppState {
  sidebarCollapsed: boolean
  loading: boolean
  toasts: Toast[]
}

// ==================== Validation Types ====================

export interface ValidationError {
  field: string
  message: string
}

// ==================== Table/List Types ====================

export interface SortConfig {
  key: string
  order: 'asc' | 'desc'
}

export interface FilterConfig {
  [key: string]: string | number | boolean | null | undefined
}

export interface PaginationConfig {
  page: number
  page_size: number
}

// ==================== API Key & Group Types ====================

export type GroupPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'

export type SubscriptionType = 'standard' | 'subscription'

export interface Group {
  id: number
  name: string
  description: string | null
  platform: GroupPlatform
  rate_multiplier: number
  is_exclusive: boolean
  status: 'active' | 'inactive'
  subscription_type: SubscriptionType
  daily_limit_usd: number | null
  weekly_limit_usd: number | null
  monthly_limit_usd: number | null
  account_count?: number
  created_at: string
  updated_at: string
}

export interface ApiKey {
  id: number
  user_id: number
  key: string
  name: string
  group_id: number | null
  status: 'active' | 'inactive'
  created_at: string
  updated_at: string
  group?: Group
}

export interface CreateApiKeyRequest {
  name: string
  group_id?: number | null
  custom_key?: string // Optional custom API Key
}

export interface UpdateApiKeyRequest {
  name?: string
  group_id?: number | null
  status?: 'active' | 'inactive'
}

export interface CreateGroupRequest {
  name: string
  description?: string | null
  platform?: GroupPlatform
  rate_multiplier?: number
  is_exclusive?: boolean
}

export interface UpdateGroupRequest {
  name?: string
  description?: string | null
  platform?: GroupPlatform
  rate_multiplier?: number
  is_exclusive?: boolean
  status?: 'active' | 'inactive'
}

// ==================== Account & Proxy Types ====================

export type AccountPlatform = 'anthropic' | 'openai' | 'gemini' | 'antigravity'
export type AccountType = 'oauth' | 'setup-token' | 'apikey'
export type OAuthAddMethod = 'oauth' | 'setup-token'
export type ProxyProtocol = 'http' | 'https' | 'socks5' | 'socks5h'

// Claude Model type (returned by /v1/models and account models API)
export interface ClaudeModel {
  id: string
  type: string
  display_name: string
  created_at: string
}

export interface Proxy {
  id: number
  name: string
  protocol: ProxyProtocol
  host: string
  port: number
  username: string | null
  password?: string | null
  status: 'active' | 'inactive'
  account_count?: number // Number of accounts using this proxy
  created_at: string
  updated_at: string
}

// Gemini credentials structure for OAuth and API Key authentication
export interface GeminiCredentials {
  // API Key authentication
  api_key?: string

  // OAuth authentication
  access_token?: string
  refresh_token?: string
  oauth_type?: 'code_assist' | 'ai_studio' | string
  tier_id?: 'LEGACY' | 'PRO' | 'ULTRA' | string
  project_id?: string
  token_type?: string
  scope?: string
  expires_at?: string
}

export interface Account {
  id: number
  name: string
  platform: AccountPlatform
  type: AccountType
  credentials?: Record<string, unknown>
  extra?: CodexUsageSnapshot & Record<string, unknown> // Extra fields including Codex usage
  proxy_id: number | null
  concurrency: number
  current_concurrency?: number // Real-time concurrency count from Redis
  priority: number
  status: 'active' | 'inactive' | 'error'
  error_message: string | null
  last_used_at: string | null
  created_at: string
  updated_at: string
  proxy?: Proxy
  group_ids?: number[] // Groups this account belongs to
  groups?: Group[] // Preloaded group objects

  // Rate limit & scheduling fields
  schedulable: boolean
  rate_limited_at: string | null
  rate_limit_reset_at: string | null
  overload_until: string | null

  // Session window fields (5-hour window)
  session_window_start: string | null
  session_window_end: string | null
  session_window_status: 'allowed' | 'allowed_warning' | 'rejected' | null
}

// Account Usage types
export interface WindowStats {
  requests: number
  tokens: number
  cost: number
}

export interface UsageProgress {
  utilization: number // Percentage (0-100+, 100 = 100%)
  resets_at: string | null
  remaining_seconds: number
  window_stats?: WindowStats | null // 窗口期统计（从窗口开始到当前的使用量）
}

// Antigravity 单个模型的配额信息
export interface AntigravityModelQuota {
  utilization: number // 使用率 0-100
  reset_time: string  // 重置时间 ISO8601
}

export interface AccountUsageInfo {
  updated_at: string | null
  five_hour: UsageProgress | null
  seven_day: UsageProgress | null
  seven_day_sonnet: UsageProgress | null
  gemini_pro_daily?: UsageProgress | null
  gemini_flash_daily?: UsageProgress | null
  antigravity_quota?: Record<string, AntigravityModelQuota> | null
}

// OpenAI Codex usage snapshot (from response headers)
export interface CodexUsageSnapshot {
  // Legacy fields (kept for backwards compatibility)
  // NOTE: The naming is ambiguous - actual window type is determined by window_minutes value
  codex_primary_used_percent?: number // Usage percentage (check window_minutes for actual window type)
  codex_primary_reset_after_seconds?: number // Seconds until reset
  codex_primary_window_minutes?: number // Window in minutes
  codex_secondary_used_percent?: number // Usage percentage (check window_minutes for actual window type)
  codex_secondary_reset_after_seconds?: number // Seconds until reset
  codex_secondary_window_minutes?: number // Window in minutes
  codex_primary_over_secondary_percent?: number // Overflow ratio

  // Canonical fields (normalized by backend, use these preferentially)
  codex_5h_used_percent?: number // 5-hour window usage percentage
  codex_5h_reset_after_seconds?: number // Seconds until 5h window reset
  codex_5h_window_minutes?: number // 5h window in minutes (should be ~300)
  codex_7d_used_percent?: number // 7-day window usage percentage
  codex_7d_reset_after_seconds?: number // Seconds until 7d window reset
  codex_7d_window_minutes?: number // 7d window in minutes (should be ~10080)

  codex_usage_updated_at?: string // Last update timestamp
}

export interface CreateAccountRequest {
  name: string
  platform: AccountPlatform
  type: AccountType
  credentials: Record<string, unknown>
  extra?: Record<string, unknown>
  proxy_id?: number | null
  concurrency?: number
  priority?: number
  group_ids?: number[]
}

export interface UpdateAccountRequest {
  name?: string
  type?: AccountType
  credentials?: Record<string, unknown>
  extra?: Record<string, unknown>
  proxy_id?: number | null
  concurrency?: number
  priority?: number
  status?: 'active' | 'inactive'
  group_ids?: number[]
}

export interface CreateProxyRequest {
  name: string
  protocol: ProxyProtocol
  host: string
  port: number
  username?: string | null
  password?: string | null
}

export interface UpdateProxyRequest {
  name?: string
  protocol?: ProxyProtocol
  host?: string
  port?: number
  username?: string | null
  password?: string | null
  status?: 'active' | 'inactive'
}

// ==================== Usage & Redeem Types ====================

export type RedeemCodeType = 'balance' | 'concurrency' | 'subscription'

// 消费类型: 0=钱包余额, 1=订阅套餐
export type BillingType = 0 | 1

export interface UsageLog {
  id: number
  user_id: number
  api_key_id: number
  account_id: number | null
  request_id: string
  model: string

  group_id: number | null
  subscription_id: number | null

  input_tokens: number
  output_tokens: number
  cache_creation_tokens: number
  cache_read_tokens: number
  cache_creation_5m_tokens: number
  cache_creation_1h_tokens: number

  input_cost: number
  output_cost: number
  cache_creation_cost: number
  cache_read_cost: number
  total_cost: number
  actual_cost: number
  rate_multiplier: number

  billing_type: BillingType
  stream: boolean
  duration_ms: number
  first_token_ms: number | null
  created_at: string

  user?: User
  api_key?: ApiKey
  account?: Account
  group?: Group
  subscription?: UserSubscription
}

export interface RedeemCode {
  id: number
  code: string
  type: RedeemCodeType
  value: number
  status: 'active' | 'used' | 'expired' | 'unused'
  used_by: number | null
  used_at: string | null
  created_at: string
  updated_at?: string
  group_id?: number | null // 订阅类型专用
  validity_days?: number // 订阅类型专用
  user?: User
  group?: Group // 关联的分组
}

export interface GenerateRedeemCodesRequest {
  count: number
  type: RedeemCodeType
  value: number
  group_id?: number | null // 订阅类型专用
  validity_days?: number // 订阅类型专用
}

export interface RedeemCodeRequest {
  code: string
}

// ==================== Dashboard & Statistics ====================

export interface DashboardStats {
  // 用户统计
  total_users: number
  today_new_users: number // 今日新增用户数
  active_users: number // 今日有请求的用户数

  // API Key 统计
  total_api_keys: number
  active_api_keys: number // 状态为 active 的 API Key 数

  // 账户统计
  total_accounts: number
  normal_accounts: number // 正常账户数
  error_accounts: number // 异常账户数
  ratelimit_accounts: number // 限流账户数
  overload_accounts: number // 过载账户数

  // 累计 Token 使用统计
  total_requests: number
  total_input_tokens: number
  total_output_tokens: number
  total_cache_creation_tokens: number
  total_cache_read_tokens: number
  total_tokens: number
  total_cost: number // 累计标准计费
  total_actual_cost: number // 累计实际扣除

  // 今日 Token 使用统计
  today_requests: number
  today_input_tokens: number
  today_output_tokens: number
  today_cache_creation_tokens: number
  today_cache_read_tokens: number
  today_tokens: number
  today_cost: number // 今日标准计费
  today_actual_cost: number // 今日实际扣除

  // 系统运行统计
  average_duration_ms: number // 平均响应时间
  uptime: number // 系统运行时间(秒)

  // 性能指标
  rpm: number // 近5分钟平均每分钟请求数
  tpm: number // 近5分钟平均每分钟Token数
}

export interface UsageStatsResponse {
  period?: string
  total_requests: number
  total_input_tokens: number
  total_output_tokens: number
  total_cache_tokens: number
  total_tokens: number
  total_cost: number // 标准计费
  total_actual_cost: number // 实际扣除
  average_duration_ms: number
  models?: Record<string, number>
}

// ==================== Trend & Chart Types ====================

export interface TrendDataPoint {
  date: string
  requests: number
  input_tokens: number
  output_tokens: number
  cache_tokens: number
  total_tokens: number
  cost: number // 标准计费
  actual_cost: number // 实际扣除
}

export interface ModelStat {
  model: string
  requests: number
  input_tokens: number
  output_tokens: number
  total_tokens: number
  cost: number // 标准计费
  actual_cost: number // 实际扣除
}

export interface UserUsageTrendPoint {
  date: string
  user_id: number
  email: string
  requests: number
  tokens: number
  cost: number // 标准计费
  actual_cost: number // 实际扣除
}

export interface ApiKeyUsageTrendPoint {
  date: string
  api_key_id: number
  key_name: string
  requests: number
  tokens: number
}

// ==================== Admin User Management ====================

export interface UpdateUserRequest {
  email?: string
  password?: string
  username?: string
  notes?: string
  role?: 'admin' | 'user'
  balance?: number
  concurrency?: number
  status?: 'active' | 'disabled'
  allowed_groups?: number[] | null
}

export interface ChangePasswordRequest {
  old_password: string
  new_password: string
}

// ==================== User Subscription Types ====================

export interface UserSubscription {
  id: number
  user_id: number
  group_id: number
  status: 'active' | 'expired' | 'revoked'
  daily_usage_usd: number
  weekly_usage_usd: number
  monthly_usage_usd: number
  daily_window_start: string | null
  weekly_window_start: string | null
  monthly_window_start: string | null
  created_at: string
  updated_at: string
  expires_at: string | null
  user?: User
  group?: Group
}

export interface SubscriptionProgress {
  subscription_id: number
  daily: {
    used: number
    limit: number | null
    percentage: number
    reset_in_seconds: number | null
  } | null
  weekly: {
    used: number
    limit: number | null
    percentage: number
    reset_in_seconds: number | null
  } | null
  monthly: {
    used: number
    limit: number | null
    percentage: number
    reset_in_seconds: number | null
  } | null
  expires_at: string | null
  days_remaining: number | null
}

export interface AssignSubscriptionRequest {
  user_id: number
  group_id: number
  validity_days?: number
}

export interface BulkAssignSubscriptionRequest {
  user_ids: number[]
  group_id: number
  validity_days?: number
}

export interface ExtendSubscriptionRequest {
  days: number
}

// ==================== Query Parameters ====================

export interface UsageQueryParams {
  page?: number
  page_size?: number
  api_key_id?: number
  user_id?: number
  account_id?: number
  group_id?: number
  model?: string
  stream?: boolean
  billing_type?: number
  start_date?: string
  end_date?: string
}

// ==================== Account Usage Statistics ====================

export interface AccountUsageHistory {
  date: string
  label: string
  requests: number
  tokens: number
  cost: number
  actual_cost: number
}

export interface AccountUsageSummary {
  days: number
  actual_days_used: number
  total_cost: number
  total_standard_cost: number
  total_requests: number
  total_tokens: number
  avg_daily_cost: number
  avg_daily_requests: number
  avg_daily_tokens: number
  avg_duration_ms: number
  today: {
    date: string
    cost: number
    requests: number
    tokens: number
  } | null
  highest_cost_day: {
    date: string
    label: string
    cost: number
    requests: number
  } | null
  highest_request_day: {
    date: string
    label: string
    requests: number
    cost: number
  } | null
}

export interface AccountUsageStatsResponse {
  history: AccountUsageHistory[]
  summary: AccountUsageSummary
  models: ModelStat[]
}

// ==================== User Attribute Types ====================

export type UserAttributeType = 'text' | 'textarea' | 'number' | 'email' | 'url' | 'date' | 'select' | 'multi_select'

export interface UserAttributeOption {
  value: string
  label: string
}

export interface UserAttributeValidation {
  min_length?: number
  max_length?: number
  min?: number
  max?: number
  pattern?: string
  message?: string
}

export interface UserAttributeDefinition {
  id: number
  key: string
  name: string
  description: string
  type: UserAttributeType
  options: UserAttributeOption[]
  required: boolean
  validation: UserAttributeValidation
  placeholder: string
  display_order: number
  enabled: boolean
  created_at: string
  updated_at: string
}

export interface UserAttributeValue {
  id: number
  user_id: number
  attribute_id: number
  value: string
  created_at: string
  updated_at: string
}

export interface CreateUserAttributeRequest {
  key: string
  name: string
  description?: string
  type: UserAttributeType
  options?: UserAttributeOption[]
  required?: boolean
  validation?: UserAttributeValidation
  placeholder?: string
  display_order?: number
  enabled?: boolean
}

export interface UpdateUserAttributeRequest {
  key?: string
  name?: string
  description?: string
  type?: UserAttributeType
  options?: UserAttributeOption[]
  required?: boolean
  validation?: UserAttributeValidation
  placeholder?: string
  display_order?: number
  enabled?: boolean
}

export interface UserAttributeValuesMap {
  [attributeId: number]: string
}
