import {
  Controller,
  Get,
  Post,
  Put,
  Patch,
  Body,
  Param,
  UseGuards,
  HttpStatus,
  HttpException,
} from '@nestjs/common';
import {
  ApiBearerAuth,
  ApiOperation,
  ApiTags,
  ApiParam,
  ApiResponse,
  ApiBody,
} from '@nestjs/swagger';
import { AdminGuard } from 'src/auth/guards/admin.guard';
import { AdminIdentity } from 'src/common/decorators/Identity.decorator';
import { Permissions } from 'src/common/decorators/permission.decorator';
import { Permission } from 'src/common/types/permissions.catalog';
import { AdminModel } from 'src/database/model/admin.model';
import { BusinessHoursService } from './business-hours.service';
import { CreateBusinessHoursDto } from './dto/create-business-hours.dto';
import { BaseResponseDTO } from 'src/common/dto/base-response.dto';
import { Public } from 'src/auth/auth.decorator';

@ApiBearerAuth()
@UseGuards(AdminGuard)
@Permissions(Permission.BusinessHoursManage)
@ApiTags('business-hours')
@Controller('admin/business-hours')
export class BusinessHoursController {
  constructor(private readonly businessHoursService: BusinessHoursService) {}

  @Get()
  @ApiOperation({ summary: 'Get all business hours configurations' })
  @ApiResponse({ status: 200, description: 'List of all configurations' })
  async getAllConfigs(@AdminIdentity() admin: AdminModel) {
    try {
      const configs = await this.businessHoursService.getAllConfigs();
      return new BaseResponseDTO(
        HttpStatus.OK,
        'Business hours configurations retrieved successfully',
        configs,
      );
    } catch (error) {
      throw new HttpException(
        error.message || 'Failed to retrieve configurations',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }

  @Get('status')
  @Public()
  @ApiOperation({ summary: 'Get current business hours status (public)' })
  @ApiResponse({ status: 200, description: 'Current status' })
  async getStatus() {
    try {
      const status = await this.businessHoursService.isOpen();
      const nextOpen = await this.businessHoursService.getNextOpen();
      const config = await this.businessHoursService.getActiveConfig();

      return new BaseResponseDTO(HttpStatus.OK, 'Status retrieved successfully', {
        open: status.open,
        nextOpen: nextOpen?.toISOString() || null,
        timezone: config?.timezone || null,
        currentWindow: status.currentWindow || null,
      });
    } catch (error) {
      throw new HttpException(
        error.message || 'Failed to get status',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }

  @Post()
  @ApiOperation({ summary: 'Create a new business hours configuration' })
  @ApiBody({ type: CreateBusinessHoursDto })
  @ApiResponse({ status: 201, description: 'Configuration created' })
  async createConfig(
    @Body() createDto: CreateBusinessHoursDto,
    @AdminIdentity() admin: AdminModel,
  ) {
    try {
      const config = await this.businessHoursService.createConfig(
        createDto as any,
        admin.username,
      );
      return new BaseResponseDTO(
        HttpStatus.CREATED,
        'Business hours configuration created successfully',
        config,
      );
    } catch (error) {
      throw new HttpException(
        error.message || 'Failed to create configuration',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }

  @Put(':id')
  @ApiOperation({ summary: 'Update an existing business hours configuration' })
  @ApiParam({ name: 'id', description: 'Configuration ID' })
  @ApiBody({ type: CreateBusinessHoursDto })
  @ApiResponse({ status: 200, description: 'Configuration updated' })
  async updateConfig(
    @Param('id') id: string,
    @Body() updateDto: CreateBusinessHoursDto,
    @AdminIdentity() admin: AdminModel,
  ) {
    try {
      const config = await this.businessHoursService.updateConfig(
        id,
        updateDto as any,
        admin.username,
      );
      return new BaseResponseDTO(
        HttpStatus.OK,
        'Business hours configuration updated successfully',
        config,
      );
    } catch (error) {
      throw new HttpException(
        error.message || 'Failed to update configuration',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }

  @Patch(':id/deactivate')
  @ApiOperation({ summary: 'Deactivate a business hours configuration' })
  @ApiParam({ name: 'id', description: 'Configuration ID' })
  @ApiResponse({ status: 200, description: 'Configuration deactivated' })
  async deactivateConfig(@Param('id') id: string) {
    try {
      await this.businessHoursService.deactivateConfig(id);
      return new BaseResponseDTO(
        HttpStatus.OK,
        'Business hours configuration deactivated successfully',
        null,
      );
    } catch (error) {
      throw new HttpException(
        error.message || 'Failed to deactivate configuration',
        HttpStatus.INTERNAL_SERVER_ERROR,
      );
    }
  }
}