import {
  Body,
  Controller,
  Get,
  Inject,
  Param,
  Patch,
  Post,
  Query,
  Req,
  ValidationPipe,
  HttpStatus,
} from '@nestjs/common';
import {
  API_ERROR_CODES,
  PERMISSION_CODES,
  type ConfirmUploadResponse,
  type CreateUploadIntentResponse,
} from '@lehuo/contracts';
import { RequireSessionChannel } from '../auth/decorators/require-session-channel.decorator';
import { CurrentAuth } from '../common/decorators/current-auth.decorator';
import { ApplicationError } from '../common/application-error';
import { Public } from '../common/decorators/public.decorator';
import { RequirePermissions } from '../common/decorators/require-permissions.decorator';
import type { AuthContext, RequestContext } from '../common/request-context';
import { SessionChannel } from '../generated/prisma/enums';
import { MediaService } from '../participation/media.service';
import {
  CreateOldItemDonationDto,
  CreateOldItemMediaUploadIntentDto,
  CreateOldItemDropOffPointDto,
  CreateOldItemNeedDto,
  OldItemDonationQueryDto,
  OldItemNeedQueryDto,
  TransitionOldItemDonationDto,
  TransitionOldItemNeedDto,
  UpdateOldItemNeedDto,
  CreateOldItemInventoryDto,
  ImportOldItemInventoryDto,
  OldItemInventoryQueryDto,
  TransitionOldItemInventoryDto,
  ActivateOldItemRewardConfigDto,
  AdjustOldItemPointsDto,
  IssueOldItemCertificateDto,
  OldItemPointAccountQueryDto,
  RevokeOldItemCertificateDto,
} from './dto/old-items.dto';
import { OldItemInventoryService } from './old-item-inventory.service';
import { OldItemRewardsService } from './old-item-rewards.service';
import { OldItemsService } from './old-items.service';
const strict = (expectedType: new () => object) =>
  new ValidationPipe({
    transform: true,
    whitelist: true,
    forbidNonWhitelisted: true,
    expectedType,
  });

@Controller('api/v1/old-items')
export class OldItemsController {
  constructor(
    @Inject(OldItemsService) private readonly service: OldItemsService,
    @Inject(MediaService) private readonly media: MediaService,
    @Inject(OldItemRewardsService) private readonly rewards: OldItemRewardsService,
  ) {}
  @Get('stats') @Public() stats() {
    return this.service.stats();
  }
  @Get('needs') @Public() needs(@Query(strict(OldItemNeedQueryDto)) q: OldItemNeedQueryDto) {
    return this.service.listNeeds(q);
  }
  @Get('needs/:publicId') @Public() need(@Param('publicId') id: string) {
    return this.service.getNeed(id);
  }
  @Get('drop-off-points') @Public() points() {
    return this.service.dropOffPoints();
  }
  @Post('media/upload-intents') @RequireSessionChannel(SessionChannel.WECHAT) mediaIntent(
    @Body(strict(CreateOldItemMediaUploadIntentDto)) input: CreateOldItemMediaUploadIntentDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ): Promise<CreateUploadIntentResponse> {
    if (input.businessType !== 'OLD_ITEM_DONATION_IMAGE')
      throw new ApplicationError(
        API_ERROR_CODES.VALIDATION_ERROR,
        '图片业务类型无效',
        HttpStatus.BAD_REQUEST,
      );
    return this.media.createIntent(input, actor, req);
  }
  @Post('media/:publicId/confirm') @RequireSessionChannel(SessionChannel.WECHAT) confirm(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ): Promise<ConfirmUploadResponse> {
    return this.media.confirm(id, actor, req);
  }
  @Post('donations') @RequireSessionChannel(SessionChannel.WECHAT) create(
    @Body(strict(CreateOldItemDonationDto)) input: CreateOldItemDonationDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.createDonation(input, actor, req);
  }
  @Get('me/donations') @RequireSessionChannel(SessionChannel.WECHAT) mine(
    @Query(strict(OldItemDonationQueryDto)) q: OldItemDonationQueryDto,
    @CurrentAuth() actor: AuthContext,
  ) {
    return this.service.myDonations(q, actor);
  }
  @Get('me/donations/:publicId') @RequireSessionChannel(SessionChannel.WECHAT) mineOne(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
  ) {
    return this.service.myDonation(id, actor);
  }
  @Get('me/media/:publicId/download')
  @RequireSessionChannel(SessionChannel.WECHAT)
  image(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.imageDownload(id, actor, req);
  }
  @Get('me/rewards') @RequireSessionChannel(SessionChannel.WECHAT) myRewards(
    @CurrentAuth() actor: AuthContext,
  ) {
    return this.rewards.myRewards(actor);
  }
  @Get('me/certificates/:publicId')
  @RequireSessionChannel(SessionChannel.WECHAT)
  myCertificate(@Param('publicId') id: string, @CurrentAuth() actor: AuthContext) {
    return this.rewards.myCertificate(id, actor);
  }
}

@Controller('api/v1/admin/old-items')
@RequireSessionChannel(SessionChannel.ADMIN)
export class AdminOldItemsController {
  constructor(
    @Inject(OldItemsService) private readonly service: OldItemsService,
    @Inject(OldItemInventoryService) private readonly inventory: OldItemInventoryService,
    @Inject(OldItemRewardsService) private readonly rewards: OldItemRewardsService,
  ) {}
  @Get('assignees') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) assignees() {
    return this.service.assignees();
  }
  @Get('media/:publicId/download') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) image(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.imageDownload(id, actor, req, true);
  }
  @Get('donations') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) donations(
    @Query(strict(OldItemDonationQueryDto)) q: OldItemDonationQueryDto,
  ) {
    return this.service.adminDonations(q);
  }
  @Get('donations/:publicId') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) donation(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.adminDonation(id, actor, req);
  }
  @Post('donations/:publicId/transition')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_MANAGE)
  transition(
    @Param('publicId') id: string,
    @Body(strict(TransitionOldItemDonationDto)) input: TransitionOldItemDonationDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.transitionDonation(id, input, actor, req);
  }
  @Get('needs') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) needs(
    @Query(strict(OldItemNeedQueryDto)) q: OldItemNeedQueryDto,
  ) {
    return this.service.listNeeds(q, true);
  }
  @Get('needs/:publicId') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_READ) need(
    @Param('publicId') id: string,
  ) {
    return this.service.getNeed(id, true);
  }
  @Post('needs') @RequirePermissions(PERMISSION_CODES.OLD_ITEM_NEEDS_MANAGE) createNeed(
    @Body(strict(CreateOldItemNeedDto)) input: CreateOldItemNeedDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.createNeed(input, actor, req);
  }
  @Patch('needs/:publicId') @RequirePermissions(PERMISSION_CODES.OLD_ITEM_NEEDS_MANAGE) updateNeed(
    @Param('publicId') id: string,
    @Body(strict(UpdateOldItemNeedDto)) input: UpdateOldItemNeedDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.updateNeed(id, input, actor, req);
  }
  @Post('needs/:publicId/transition')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_NEEDS_MANAGE)
  transitionNeed(
    @Param('publicId') id: string,
    @Body(strict(TransitionOldItemNeedDto)) input: TransitionOldItemNeedDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.transitionNeed(id, input, actor, req);
  }
  @Post('drop-off-points') @RequirePermissions(PERMISSION_CODES.OLD_ITEMS_MANAGE) createPoint(
    @Body(strict(CreateOldItemDropOffPointDto)) input: CreateOldItemDropOffPointDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.service.createDropOffPoint(input, actor, req);
  }

  @Get('inventory')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_READ)
  inventoryList(@Query(strict(OldItemInventoryQueryDto)) q: OldItemInventoryQueryDto) {
    return this.inventory.list(q);
  }

  @Get('inventory/:publicId')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_READ)
  inventoryOne(
    @Param('publicId') id: string,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.inventory.get(id, actor, req);
  }

  @Post('inventory')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_MANAGE)
  inventoryCreate(
    @Body(strict(CreateOldItemInventoryDto)) input: CreateOldItemInventoryDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.inventory.create(input, actor, req);
  }

  @Post('inventory/import')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_IMPORT)
  inventoryImport(
    @Body(strict(ImportOldItemInventoryDto)) input: ImportOldItemInventoryDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.inventory.import(input, actor, req);
  }

  @Post('inventory/:publicId/transition')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_MANAGE)
  inventoryTransition(
    @Param('publicId') id: string,
    @Body(strict(TransitionOldItemInventoryDto)) input: TransitionOldItemInventoryDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.inventory.transition(id, input, actor, req);
  }

  @Get('inventory-export/file')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_INVENTORY_EXPORT)
  inventoryExport(
    @Query(strict(OldItemInventoryQueryDto)) q: OldItemInventoryQueryDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.inventory.export(q, actor, req);
  }
  @Get('reward-config')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_READ)
  rewardConfig() {
    return this.rewards.config();
  }
  @Post('reward-config/activate')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_MANAGE)
  activateRewardConfig(
    @Body(strict(ActivateOldItemRewardConfigDto)) input: ActivateOldItemRewardConfigDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.rewards.activateConfig(input, actor, req);
  }
  @Get('reward-accounts')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_READ)
  rewardAccounts(@Query(strict(OldItemPointAccountQueryDto)) q: OldItemPointAccountQueryDto) {
    return this.rewards.accounts(q);
  }
  @Post('reward-accounts/:userPublicId/adjust')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_MANAGE)
  adjustRewardPoints(
    @Param('userPublicId') userPublicId: string,
    @Body(strict(AdjustOldItemPointsDto)) input: AdjustOldItemPointsDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.rewards.adjust(userPublicId, input, actor, req);
  }
  @Get('certificates')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_READ)
  certificates(@Query(strict(OldItemPointAccountQueryDto)) q: OldItemPointAccountQueryDto) {
    return this.rewards.certificates(q);
  }
  @Post('donations/:publicId/certificate')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_MANAGE)
  issueCertificate(
    @Param('publicId') publicId: string,
    @Body(strict(IssueOldItemCertificateDto)) input: IssueOldItemCertificateDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.rewards.issue(publicId, input, actor, req);
  }
  @Post('certificates/:publicId/revoke')
  @RequirePermissions(PERMISSION_CODES.OLD_ITEM_REWARDS_MANAGE)
  revokeCertificate(
    @Param('publicId') publicId: string,
    @Body(strict(RevokeOldItemCertificateDto)) input: RevokeOldItemCertificateDto,
    @CurrentAuth() actor: AuthContext,
    @Req() req: RequestContext,
  ) {
    return this.rewards.revoke(publicId, input, actor, req);
  }
}