// ============================================================================
// Constants
// ============================================================================

export const API_URL =
  process.env.NEXT_PUBLIC_API_URL || "http://localhost:8000/api/v1";
export const USE_MOCKS =
  process.env.NEXT_PUBLIC_USE_MOCKS?.toLowerCase() === "true" || false;
export const BOT_USERNAME =
  process.env.NEXT_PUBLIC_BOT_USERNAME || "your_bot_username";

// Local Storage Keys
export const STORAGE_KEYS = {
  ACCESS_TOKEN: "tgex_access_token",
  REFRESH_TOKEN: "tgex_refresh_token",
  USER: "tgex_user",
  SELECTED_TARGET_CHANNEL: "tgex_selected_target_channel",
} as const;

// API Endpoints
export const API_ENDPOINTS = {
  // Auth
  AUTH_INIT: "/auth/init",
  AUTH_COMPLETE: "/auth/complete",
  AUTH_REFRESH: "/auth/refresh",
  AUTH_ME: "/auth/me",

  // Target Channels
  TARGET_CHANNELS: "/target-channels",
  TARGET_CHANNEL: (id: string) => `/target-channels/${id}`,

  // External Channels
  EXTERNAL_CHANNELS: "/external-channels",
  EXTERNAL_CHANNEL: (id: string) => `/external-channels/${id}`,
  EXTERNAL_CHANNELS_IMPORT: "/external-channels/import",

  // Creatives
  CREATIVES: "/creatives",
  CREATIVE: (id: string) => `/creatives/${id}`,

  // Purchases
  PURCHASES: "/purchases",
  PURCHASE: (id: string) => `/purchases/${id}`,
  PURCHASE_REFRESH_VIEWS: (id: string) => `/purchases/${id}/refresh-views`,

  // Analytics
  ANALYTICS_OVERVIEW: "/analytics/overview",
  ANALYTICS_COSTS: "/analytics/costs",
  ANALYTICS_CHANNELS: "/analytics/channels",
  ANALYTICS_CREATIVES: "/analytics/creatives",
} as const;

// Error Codes
export const ERROR_CODES = {
  UNAUTHORIZED: "UNAUTHORIZED",
  FORBIDDEN: "FORBIDDEN",
  NOT_FOUND: "NOT_FOUND",
  VALIDATION_ERROR: "VALIDATION_ERROR",
  INTERNAL_ERROR: "INTERNAL_ERROR",
  CHANNEL_NOT_FOUND: "CHANNEL_NOT_FOUND",
  CHANNEL_ALREADY_EXISTS: "CHANNEL_ALREADY_EXISTS",
  INSUFFICIENT_PERMISSIONS: "INSUFFICIENT_PERMISSIONS",
  CREATIVE_IN_USE: "CREATIVE_IN_USE",
  INVALID_INVITE_LINK: "INVALID_INVITE_LINK",
} as const;

// Date Formats
export const DATE_FORMATS = {
  DISPLAY: "dd.MM.yyyy",
  DISPLAY_WITH_TIME: "dd.MM.yyyy HH:mm",
  API: "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
} as const;

// Pagination
export const DEFAULT_PAGE_SIZE = 20;
export const PAGE_SIZE_OPTIONS = [10, 20, 50, 100];

// Routes
export const ROUTES = {
  HOME: "/",
  LOGIN: "/login",
  AUTH_COMPLETE: "/auth/complete",

  CHANNELS: "/channels",
  CHANNEL_DETAIL: (id: string) => `/channels/${id}`,

  EXTERNAL_CHANNELS: "/external-channels",
  EXTERNAL_CHANNEL_DETAIL: (id: string) => `/external-channels/${id}`,
  EXTERNAL_CHANNELS_IMPORT: "/external-channels/import",

  CREATIVES: "/creatives",
  CREATIVE_NEW: "/creatives/new",
  CREATIVE_DETAIL: (id: string) => `/creatives/${id}`,
  CREATIVE_EDIT: (id: string) => `/creatives/${id}/edit`,

  PURCHASES: "/purchases",
  PURCHASE_NEW: "/purchases/new",
  PURCHASE_DETAIL: (id: string) => `/purchases/${id}`,
  PURCHASE_EDIT: (id: string) => `/purchases/${id}/edit`,

  ANALYTICS: "/analytics",
  ANALYTICS_COSTS: "/analytics/costs",
  ANALYTICS_CHANNELS: "/analytics/channels",
  ANALYTICS_CREATIVES: "/analytics/creatives",
} as const;