/** 管理后台 API（对齐 t3 契约：login/verify/logout/file list/update/delete/batch-delete/config/audit） */
import { request } from './http'
import { paths } from './paths'
import type {
  AdminConfig,
  AdminFileListResult,
  AdminFileUpdatePayload,
  AdminLoginResult,
  AuditListResult,
} from './types'
import { pick } from '@/utils/format'

/** 管理员登录（密码错误 → 401 ApiError） */
export function adminLogin(password: string): Promise<AdminLoginResult> {
  return request<AdminLoginResult>(paths.adminLogin, { method: 'POST', json: { password } })
}

export function adminVerify(): Promise<Record<string, unknown>> {
  return request<Record<string, unknown>>(paths.adminVerify)
}

export async function adminLogout(): Promise<void> {
  await request<void>(paths.adminLogout, { method: 'POST' })
}

export interface AdminFileListQuery {
  page: number
  size: number
  keyword?: string
}

/** 文件列表（宽松解析：兼容 data 字段或 list 字段、total 顶层） */
export async function adminFileList(q: AdminFileListQuery): Promise<AdminFileListResult> {
  const raw = await request<Record<string, unknown>>(paths.adminFileList, {
    query: { page: q.page, size: q.size, keyword: q.keyword || undefined },
  })
  const rows = (pick<unknown[]>(raw, ['data', 'list', 'items', 'files']) ?? []) as Record<string, unknown>[]
  const total = Number(pick<number>(raw, ['total', 'count']) ?? rows.length)
  return {
    page: Number(pick<number>(raw, ['page']) ?? q.page),
    size: Number(pick<number>(raw, ['size']) ?? q.size),
    total,
    data: rows.map((r) => ({
      id: Number(pick<number>(r, ['id']) ?? 0),
      code: String(pick<string>(r, ['code']) ?? ''),
      name: String(pick<string>(r, ['name']) ?? `${pick<string>(r, ['prefix']) ?? ''}${pick<string>(r, ['suffix']) ?? ''}`),
      suffix: String(pick<string>(r, ['suffix']) ?? ''),
      size: Number(pick<number>(r, ['size']) ?? 0),
      isText: Boolean(pick<boolean>(r, ['isText', 'is_text']) ?? false),
      expiredAt: (pick<string>(r, ['expiredAt', 'expired_at', 'expires_at']) as string) ?? null,
      expiredCount: (pick<number>(r, ['expiredCount', 'expired_count']) as number) ?? null,
      usedCount: Number(pick<number>(r, ['usedCount', 'used_count']) ?? 0),
      createdAt: (pick<string>(r, ['createdAt', 'created_at']) as string) ?? null,
      isExpired: Boolean(pick<boolean>(r, ['isExpired', 'is_expired']) ?? false),
    })),
  }
}

/** 删除单个文件 */
export async function adminFileDelete(id: number): Promise<void> {
  await request<void>(paths.adminFileDelete, { method: 'DELETE', json: { id } })
}

/** 批量删除（契约：POST /admin/file/batch-delete，body {ids:number[]}） */
export async function adminFileBatchDelete(ids: number[]): Promise<void> {
  await request<void>(paths.adminFileBatchDelete, { method: 'POST', json: { ids } })
}

/** 更新分享（code/过期时间/次数；go-api 定稿 PATCH /admin/file/update） */
export async function adminFileUpdate(payload: AdminFileUpdatePayload): Promise<void> {
  await request<void>(paths.adminFileUpdate, { method: 'PATCH', json: payload })
}

/** 读取管理端配置（KV 全量，含 site_name/logo_url/favicon_url） */
export async function adminConfigGet(): Promise<AdminConfig> {
  const raw = await request<unknown>(paths.adminConfigGet)
  // 兼容：后端可能直接返回 KV 对象，或包一层 config/data
  if (raw && typeof raw === 'object' && !Array.isArray(raw)) {
    const obj = raw as Record<string, unknown>
    const inner = (pick<Record<string, unknown>>(obj, ['config', 'data', 'settings']) ?? obj) as Record<string, unknown>
    return inner
  }
  return {}
}

/** 更新管理端配置（PATCH 部分字段 JSON；提交后全站生效，含 site_name/logo_url/favicon_url） */
export async function adminConfigUpdate(patch: Record<string, unknown>): Promise<void> {
  await request<void>(paths.adminConfigUpdate, { method: 'PATCH', json: patch })
}

/** v3 存储引擎热切换：成功返回当前引擎名；失败（503）服务端保持原引擎并抛 ApiError */
export async function adminStorageSwitch(engine: 'local' | 's3' | 'webdav'): Promise<string> {
  const data = await request<{ ok: boolean; engine: string }>(paths.adminStorageSwitch, {
    method: 'POST',
    json: { engine },
  })
  return String(data?.engine ?? engine)
}

/** 修改管理员密码（成功后旧 token 全部失效，需重新登录） */
export async function adminPasswordUpdate(oldPassword: string, newPassword: string): Promise<void> {
  await request<void>(paths.adminPasswordUpdate, {
    method: 'PATCH',
    json: { old_password: oldPassword, new_password: newPassword },
  })
}

export interface AuditListQuery {
  page: number
  size: number
  action?: string
  result?: string
  ip?: string
  /** ISO 或 YYYY-MM-DD；由调用方格式化 */
  startTime?: string
  endTime?: string
}

/** 审计日志列表（宽松解析兼容 data/list 字段与 snake_case/camelCase 行字段） */
export async function adminAuditList(q: AuditListQuery): Promise<AuditListResult> {
  const raw = await request<Record<string, unknown>>(paths.adminAuditList, {
    query: {
      page: q.page,
      size: q.size,
      action: q.action || undefined,
      result: q.result || undefined,
      ip: q.ip || undefined,
      start_time: q.startTime || undefined,
      end_time: q.endTime || undefined,
    },
  })
  const rows = (pick<unknown[]>(raw, ['data', 'list', 'items', 'logs']) ?? []) as Record<string, unknown>[]
  const total = Number(pick<number>(raw, ['total', 'count']) ?? rows.length)
  return {
    page: Number(pick<number>(raw, ['page']) ?? q.page),
    size: Number(pick<number>(raw, ['size']) ?? q.size),
    total,
    data: rows.map((r, idx) => ({
      id: Number(pick<number>(r, ['id']) ?? idx + 1),
      action: String(pick<string>(r, ['action']) ?? ''),
      result: String(pick<string>(r, ['result']) ?? ''),
      fileCode: String(pick<string>(r, ['file_code', 'fileCode', 'code']) ?? ''),
      fileName: String(pick<string>(r, ['file_name', 'fileName', 'name']) ?? ''),
      sizeBytes: (pick<number>(r, ['size_bytes', 'sizeBytes', 'size']) as number) ?? null,
      transferredBytes: (pick<number>(r, ['transferred_bytes', 'transferredBytes', 'bytes']) as number) ?? null,
      ip: String(pick<string>(r, ['ip', 'client_ip', 'clientIp']) ?? ''),
      userAgent: String(pick<string>(r, ['user_agent', 'userAgent']) ?? ''),
      deviceOs: String(pick<string>(r, ['device_os', 'deviceOs', 'os']) ?? ''),
      deviceBrowser: String(pick<string>(r, ['device_browser', 'deviceBrowser', 'browser']) ?? ''),
      deviceType: String(pick<string>(r, ['device_type', 'deviceType']) ?? ''),
      actor: String(pick<string>(r, ['actor']) ?? ''),
      errorMsg: String(pick<string>(r, ['error_msg', 'errorMsg', 'error']) ?? ''),
      durationMs: (pick<number>(r, ['duration_ms', 'durationMs', 'duration']) as number) ?? null,
      createdAt: (pick<string>(r, ['created_at', 'createdAt', 'time']) as string) ?? null,
    })),
  }
}