import { apiDelete, apiGet, apiPatch, apiPost } from '@/lib/http'
import type {
  ChannelMappingDiagnostics,
  ChannelProductMapping,
  ChannelProductMappingListResult,
  CostCenterOptions,
  CostCenterOverview,
  CostException,
  CostExceptionListResult,
  CostExceptionSummary,
  CostItem,
  CostItemListResult,
  CostPreview,
  CostVersion,
  CostVersionListResult,
  ManualFulfillmentConfig,
  ManualFulfillmentConfirmResult,
  ManualFulfillmentPendingListResult,
  ManualPlatformOption,
  PlatformCreditAccountListResult,
  PlatformCreditEntryListResult,
  PlatformCreditOwnerListResult,
  ManualRematchResult,
  ManualSkuListResult,
  ManualSkuOverview,
  ManualSkuScanResult,
  ProductCatalogItem,
  ProductCatalogListResult,
  TemplateProductBootstrapPreview,
  TemplateProductBootstrapResult,
  UnmappedMappingGroupListResult,
} from '@/types/admin'

export function fetchAdminCostCenterOverview() {
  return apiGet<CostCenterOverview>('/api/v1/admin/cost-center/overview')
}

export function fetchAdminCostCenterOptions() {
  return apiGet<CostCenterOptions>('/api/v1/admin/cost-center/options')
}

export function previewAdminTemplateProductBootstrap() {
  return apiGet<TemplateProductBootstrapPreview>(
    '/api/v1/admin/cost-center/template-bootstrap/preview',
  )
}

export function applyAdminTemplateProductBootstrap() {
  return apiPost<TemplateProductBootstrapResult>(
    '/api/v1/admin/cost-center/template-bootstrap/apply',
    { repair: true },
  )
}

export function syncAdminWorkOrderTemplateCostVersions() {
  return apiPost<{
    ruleCount: number
    unitPriceRuleCount: number
    activeVersionCount: number
    createdCount: number
    retiredCount: number
    linkedSnapshotCount: number
  }>('/api/v1/admin/cost-center/work-order-template-costs/sync')
}

export function backfillAdminWorkOrderProductSkus() {
  return apiPost<{
    updatedCount: number
    skippedCount: number
    remainingCount: number
    workOrderItemCount: number
    matchedCount: number
    ruleMatchedCount: number
    tailUpdatedCount: number
    tailProductCount: number
    tailMappingCount: number
    factsRebuild: {
      fromDate: string
      toDate: string
      deletedCount: number
      insertedCount: number
      batchCount: number
    } | null
  }>('/api/v1/admin/cost-center/work-order-products/backfill')
}

export function fetchAdminProductCatalog(params?: Record<string, unknown>) {
  return apiGet<ProductCatalogListResult>('/api/v1/admin/cost-center/products', params)
}

export function createAdminProductCatalog(payload: Record<string, unknown>) {
  return apiPost<{ product: ProductCatalogItem }>('/api/v1/admin/cost-center/products', payload)
}

export function syncAdminAffiliateDashProducts() {
  return apiPost<{ createdCount: number; updatedCount: number; productCount: number }>(
    '/api/v1/admin/cost-center/affiliate-products/sync',
  )
}

export function backfillAdminAffiliateDashSkus() {
  return apiPost<{
    updatedCount: number
    skippedCount: number
    remainingCount: number
    affiliateItemCount: number
    matchedCount: number
    factsRebuild: {
      fromDate: string
      toDate: string
      deletedCount: number
      insertedCount: number
      batchCount: number
    } | null
  }>('/api/v1/admin/cost-center/affiliate-products/backfill')
}

export function updateAdminProductCatalog(productId: number, payload: Record<string, unknown>) {
  return apiPatch<{ product: ProductCatalogItem }>(
    `/api/v1/admin/cost-center/products/${productId}`,
    payload,
  )
}

export function deleteAdminProductCatalog(productId: number) {
  return apiDelete<{ deleted: boolean; product: ProductCatalogItem }>(
    `/api/v1/admin/cost-center/products/${productId}`,
  )
}

export function fetchAdminChannelProductMappings(params?: Record<string, unknown>) {
  return apiGet<ChannelProductMappingListResult>('/api/v1/admin/cost-center/mappings', params)
}

export function normalizeAdminManualProducts(payload: Record<string, unknown>) {
  return apiPost<{
    dryRun: boolean
    range: { fromDate: string; toDate: string } | null
    distinctSkuCount: number
    pendingItemCount: number
    createdProductCount: number
    updatedItemCount: number
    updatedSnapshotCount: number
    resolvedExceptionCount: number
    remainingItemCount: number
  }>('/api/v1/admin/cost-center/manual-products/normalize', payload)
}

export function fetchAdminChannelMappingDiagnostics(params?: Record<string, unknown>) {
  return apiGet<ChannelMappingDiagnostics>('/api/v1/admin/cost-center/mappings/diagnostics', params)
}

export function fetchAdminUnmappedMappingGroups(params?: Record<string, unknown>) {
  return apiGet<UnmappedMappingGroupListResult>(
    '/api/v1/admin/cost-center/mappings/unmapped',
    params,
  )
}

export function createAdminChannelProductMapping(payload: Record<string, unknown>) {
  return apiPost<{ mapping: ChannelProductMapping }>('/api/v1/admin/cost-center/mappings', payload)
}

export function updateAdminChannelProductMapping(
  mappingId: number,
  payload: Record<string, unknown>,
) {
  return apiPatch<{ mapping: ChannelProductMapping }>(
    `/api/v1/admin/cost-center/mappings/${mappingId}`,
    payload,
  )
}

export function deleteAdminChannelProductMapping(mappingId: number) {
  return apiDelete<{ deleted: boolean; mappingId: number }>(
    `/api/v1/admin/cost-center/mappings/${mappingId}`,
  )
}

export function backfillAdminProductMappings(payload: Record<string, unknown>) {
  return apiPost<{
    updatedCount: number
    resolvedExceptionCount: number
    limit: number
    batches: number
    remainingCount: number
  }>('/api/v1/admin/cost-center/mappings/backfill', payload)
}

export function backfillAdminNormalizedQuantities(payload: Record<string, unknown>) {
  return apiPost<{
    updatedCount: number
    limit: number
    batches: number
    remainingCount: number
  }>('/api/v1/admin/cost-center/normalized-quantities/backfill', payload)
}

export function fetchAdminCostItems(params?: Record<string, unknown>) {
  return apiGet<CostItemListResult>('/api/v1/admin/cost-center/cost-items', params)
}

export function createAdminCostItem(payload: Record<string, unknown>) {
  return apiPost<{ costItem: CostItem }>('/api/v1/admin/cost-center/cost-items', payload)
}

export function updateAdminCostItem(costItemId: number, payload: Record<string, unknown>) {
  return apiPatch<{ costItem: CostItem }>(
    `/api/v1/admin/cost-center/cost-items/${costItemId}`,
    payload,
  )
}

export function deleteAdminCostItem(costItemId: number) {
  return apiDelete<{ deleted: boolean; costItem: CostItem }>(
    `/api/v1/admin/cost-center/cost-items/${costItemId}`,
  )
}

export function fetchAdminCostVersions(params?: Record<string, unknown>) {
  return apiGet<CostVersionListResult>('/api/v1/admin/cost-center/cost-versions', params)
}

export function createAdminCostVersion(payload: Record<string, unknown>) {
  return apiPost<{ version: CostVersion }>('/api/v1/admin/cost-center/cost-versions', payload)
}

export function retireAdminCostVersion(versionId: number, payload: Record<string, unknown>) {
  return apiPatch<{ version: CostVersion }>(
    `/api/v1/admin/cost-center/cost-versions/${versionId}/retire`,
    payload,
  )
}

export function deleteAdminCostVersion(versionId: number) {
  return apiDelete<{ deleted: boolean; version: CostVersion }>(
    `/api/v1/admin/cost-center/cost-versions/${versionId}`,
  )
}

export function fetchAdminCostExceptions(params?: Record<string, unknown>) {
  return apiGet<CostExceptionListResult>('/api/v1/admin/cost-center/exceptions', params)
}

export function fetchAdminCostExceptionSummary(params?: Record<string, unknown>) {
  return apiGet<CostExceptionSummary>('/api/v1/admin/cost-center/exceptions/summary', params)
}

export function resolveAdminCostException(exceptionId: number, payload: Record<string, unknown>) {
  return apiPatch<{ exception: CostException }>(
    `/api/v1/admin/cost-center/exceptions/${exceptionId}`,
    payload,
  )
}

export function previewAdminCost(payload: Record<string, unknown>) {
  return apiPost<CostPreview>('/api/v1/admin/cost-center/preview', payload)
}

export function createAdminCostSnapshot(payload: Record<string, unknown>) {
  return apiPost<{
    preview: CostPreview
    snapshots: Array<Record<string, unknown>>
    createdCount: number
    exceptionCreatedCount: number
  }>('/api/v1/admin/cost-center/snapshots', payload)
}

/**
 * 人工履约 SKU 配置：扫描 → 配置 → 重新匹配。
 * 配置主键是内部 SKU（快手 skuNick / 拼多多 outSkuSn），同名 SKU 算同一商品。
 */
export function fetchAdminManualSkus(
  params: {
    page?: number
    pageSize?: number
    keyword?: string
    status?: 'configured' | 'unconfigured' | ''
    platformKey?: string
    provider?: string
  } = {},
) {
  return apiGet<ManualSkuListResult>('/api/v1/admin/cost-center/manual-skus', params)
}

export function fetchAdminManualSkuOverview() {
  return apiGet<ManualSkuOverview>('/api/v1/admin/cost-center/manual-skus/overview')
}

export function fetchAdminManualPlatforms() {
  return apiGet<{ items: ManualPlatformOption[] }>('/api/v1/admin/cost-center/manual-platforms')
}

export function fetchAdminManualConfig(skuKey: string) {
  return apiGet<ManualFulfillmentConfig | null>(
    `/api/v1/admin/cost-center/manual-configs/${encodeURIComponent(skuKey)}`,
  )
}

export function scanAdminManualSkus(payload: { fromDate: string; toDate: string }) {
  return apiPost<ManualSkuScanResult>('/api/v1/admin/cost-center/manual-skus/scan', payload)
}

export function saveAdminManualConfig(payload: {
  skuKey: string
  platformKey: string
  creditQuantity: number
  canonicalProductId?: number | null
  enabled?: boolean
  note?: string
}) {
  return apiPost<ManualFulfillmentConfig>('/api/v1/admin/cost-center/manual-configs', payload)
}

export function deleteAdminManualConfig(skuKey: string) {
  return apiDelete<{ skuKey: string; deleted: number }>(
    `/api/v1/admin/cost-center/manual-configs/${encodeURIComponent(skuKey)}`,
  )
}

export function rematchAdminManualFulfillments(payload: { skuKey?: string } = {}) {
  return apiPost<ManualRematchResult>('/api/v1/admin/cost-center/manual-configs/rematch', payload)
}

/**
 * 客服平台积分钱包（南航 / 乐玩 / ROCK）。
 * 三平台积分互不通用，每客服每平台一个账户；备用金现金走备用金页。
 */
export function fetchAdminPlatformCreditAccounts() {
  return apiGet<PlatformCreditAccountListResult>(
    '/api/v1/admin/cost-center/platform-credits/accounts',
  )
}

export function fetchAdminPlatformCreditOwners() {
  return apiGet<PlatformCreditOwnerListResult>('/api/v1/admin/cost-center/platform-credits/owners')
}

export function fetchAdminPlatformCreditEntries(
  params: {
    page?: number
    pageSize?: number
    platformKey?: string
    entryType?: string
    keyword?: string
  } = {},
) {
  return apiGet<PlatformCreditEntryListResult>(
    '/api/v1/admin/cost-center/platform-credits/entries',
    params,
  )
}

export function grantAdminPlatformCredit(payload: {
  ownerAdminUserId: number
  platformKey: string
  quantity: number
  platformRef?: string
  note?: string
}) {
  return apiPost<{
    accountId: number
    platformKey: string
    quantity: number
    balanceAfter: number
    amountFen: number
    entryId: number
  }>('/api/v1/admin/cost-center/platform-credits/grant', payload)
}

export function adjustAdminPlatformCredit(payload: {
  ownerAdminUserId: number
  platformKey: string
  quantity: number
  note?: string
}) {
  return apiPost<{
    accountId: number
    platformKey: string
    quantity: number
    balanceAfter: number
    amountFen: number
    entryId: number
  }>('/api/v1/admin/cost-center/platform-credits/adjust', payload)
}

/**
 * 人工履约待办与确认履约。
 * 客服点「确认履约」即扣额度 + 写成本快照；固定成本零输入，
 * 成本不固定时只填金额。
 */
export function fetchAdminManualFulfillmentPending(
  params: { page?: number; pageSize?: number; keyword?: string; status?: string } = {},
) {
  return apiGet<ManualFulfillmentPendingListResult>(
    '/api/v1/admin/finance/manual-fulfillment/pending',
    params,
  )
}

export function confirmAdminManualFulfillment(payload: {
  orderItemId: number
  costFen?: number
  payeeName?: string
  note?: string
}) {
  return apiPost<ManualFulfillmentConfirmResult>(
    '/api/v1/admin/finance/manual-fulfillment/confirm',
    payload,
  )
}