import {
  Controller,
  Get,
  Post,
  Put,
  Body,
  Query,
  HttpCode,
  HttpStatus,
} from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse, ApiQuery } from '@nestjs/swagger';
import { IsBoolean, IsOptional, IsString } from 'class-validator';
import { PrePlantingConfigService } from './pre-planting-config.service';
import { PrePlantingProxyService } from './pre-planting-proxy.service';

class UpdatePrePlantingConfigDto {
  @IsBoolean()
  isActive: boolean;

  @IsOptional()
  @IsString()
  updatedBy?: string;
}

class TogglePrePlantingConfigDto {
  @IsBoolean()
  isActive: boolean;
}

@ApiTags('预种计划配置')
@Controller('admin/pre-planting')
export class PrePlantingConfigController {
  constructor(
    private readonly configService: PrePlantingConfigService,
    private readonly proxyService: PrePlantingProxyService,
  ) {}

  @Get('config')
  @ApiOperation({ summary: '获取预种计划开关状态' })
  @ApiResponse({ status: HttpStatus.OK, description: '开关状态' })
  async getConfig() {
    return this.configService.getConfig();
  }

  @Post('config')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: '更新预种计划开关状态' })
  @ApiResponse({ status: HttpStatus.OK, description: '更新成功' })
  async updateConfig(@Body() dto: UpdatePrePlantingConfigDto) {
    return this.configService.updateConfig(dto.isActive, dto.updatedBy);
  }

  // ============================================
  // [2026-02-27] 新增：预种管理端点（toggle + 数据查询代理）
  // ============================================

  @Put('config/toggle')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: '切换预种计划开关' })
  @ApiResponse({ status: HttpStatus.OK, description: '切换成功' })
  async toggleConfig(@Body() dto: TogglePrePlantingConfigDto) {
    return this.configService.updateConfig(dto.isActive);
  }

  @Get('orders')
  @ApiOperation({ summary: '预种订单列表（管理员视角）' })
  @ApiQuery({ name: 'page', required: false })
  @ApiQuery({ name: 'pageSize', required: false })
  @ApiQuery({ name: 'keyword', required: false })
  @ApiQuery({ name: 'status', required: false })
  async getOrders(
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
    @Query('keyword') keyword?: string,
    @Query('status') status?: string,
  ) {
    return this.proxyService.getOrders({
      page: page ? parseInt(page, 10) : undefined,
      pageSize: pageSize ? parseInt(pageSize, 10) : undefined,
      keyword: keyword || undefined,
      status: status || undefined,
    });
  }

  @Get('positions')
  @ApiOperation({ summary: '预种持仓列表（管理员视角）' })
  @ApiQuery({ name: 'page', required: false })
  @ApiQuery({ name: 'pageSize', required: false })
  @ApiQuery({ name: 'keyword', required: false })
  async getPositions(
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
    @Query('keyword') keyword?: string,
  ) {
    return this.proxyService.getPositions({
      page: page ? parseInt(page, 10) : undefined,
      pageSize: pageSize ? parseInt(pageSize, 10) : undefined,
      keyword: keyword || undefined,
    });
  }

  @Get('merges')
  @ApiOperation({ summary: '预种合并记录列表（管理员视角）' })
  @ApiQuery({ name: 'page', required: false })
  @ApiQuery({ name: 'pageSize', required: false })
  @ApiQuery({ name: 'keyword', required: false })
  @ApiQuery({ name: 'status', required: false })
  async getMerges(
    @Query('page') page?: string,
    @Query('pageSize') pageSize?: string,
    @Query('keyword') keyword?: string,
    @Query('status') status?: string,
  ) {
    return this.proxyService.getMerges({
      page: page ? parseInt(page, 10) : undefined,
      pageSize: pageSize ? parseInt(pageSize, 10) : undefined,
      keyword: keyword || undefined,
      status: status || undefined,
    });
  }

  @Get('stats')
  @ApiOperation({ summary: '预种统计汇总' })
  async getStats() {
    return this.proxyService.getStats();
  }
}

/**
 * 公开 API（供 planting-service 调用）
 */
@ApiTags('预种计划配置-内部API')
@Controller('api/v1/admin/pre-planting')
export class PublicPrePlantingConfigController {
  constructor(
    private readonly configService: PrePlantingConfigService,
  ) {}

  @Get('config')
  @ApiOperation({ summary: '获取预种计划开关状态（内部API）' })
  async getConfig() {
    return this.configService.getConfig();
  }
}