import { Body, Controller, Delete, Get, HttpCode, Param, Post, Put } from '@nestjs/common';
import { AdminPromotionsService } from './admin-promotions.service';
import { TableQueryDto } from '../admin-table/table-query.dto';
import { RequirePermission } from '../auth/guards';

/**
 * Legacy endpoints:
 *   GET/POST/PUT/DELETE product/variant/promotion  -> PromotionController
 *   GET /autopromotion                             -> the auto-discount screen
 *   GET/POST/DELETE /ignore                        -> views/offersIgnore
 */
@Controller('admin/promotions')
export class AdminPromotionsController {
  constructor(private readonly promotions: AdminPromotionsService) {}

  @Post('list')
  @HttpCode(200)
  @RequirePermission('offers.list')
  list(@Body() query: TableQueryDto) {
    return this.promotions.list(query);
  }

  @Get('scope-options')
  @RequirePermission('offers.list')
  scopeOptions() {
    return this.promotions.scopeOptions();
  }

  @Get('usage-options')
  @RequirePermission('offers.list')
  usageOptions() {
    return this.promotions.usageOptions();
  }

  @Get('auto')
  @RequirePermission('offers.autopromotion')
  getAutoPromotion() {
    return this.promotions.getAutoPromotion();
  }

  @Post('auto')
  @HttpCode(200)
  @RequirePermission('offers.autopromotion')
  setAutoPromotion(@Body() body: { state?: boolean; discount_percent?: number | string }) {
    return this.promotions.setAutoPromotion(body);
  }

  // ── exclusions ────────────────────────────────────────────────────
  @Get('exclusions')
  @RequirePermission('offersIgnore')
  listExclusions() {
    return this.promotions.listExclusions();
  }

  @Post('exclusions')
  @HttpCode(200)
  @RequirePermission('offersIgnore')
  createExclusion(@Body() body: { type: number; item_id?: string[] }) {
    return this.promotions.createExclusion(body);
  }

  @Delete('exclusions/:id')
  @RequirePermission('offersIgnore')
  removeExclusion(@Param('id') id: string) {
    return this.promotions.removeExclusion(id);
  }

  // ── promotions ────────────────────────────────────────────────────
  @Post()
  @HttpCode(200)
  @RequirePermission('offers.create')
  create(@Body() data: Record<string, unknown>) {
    return this.promotions.create(data);
  }

  @Get(':id')
  @RequirePermission('offers.list')
  findOne(@Param('id') id: string) {
    return this.promotions.findOne(id);
  }

  @Put(':id')
  @RequirePermission('offers.list.edit')
  update(@Param('id') id: string, @Body() data: Record<string, unknown>) {
    return this.promotions.update(id, data);
  }

  @Delete(':id')
  @RequirePermission('offers.list.edit')
  remove(@Param('id') id: string) {
    return this.promotions.remove(id);
  }
}