import { Body, Controller, Delete, Get, Param, Patch, Post, Query } from "@nestjs/common";
import { ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";

import { CreateDiscountDto } from "./DTO/create-discount.dto";
import { SearchDiscountQueryDto } from "./DTO/search-discount-query.dto";
import { UpdateDiscountDto } from "./DTO/update-discount.dto";
import { DiscountsService } from "./providers/discounts.service";
import { AdminRoute } from "../../common/decorators/admin.decorator";
import { AuthGuards } from "../../common/decorators/auth-guard.decorator";
import { PermissionsDec } from "../../common/decorators/permission.decorator";
import { ParamDto } from "../../common/DTO/param.dto";
import { PermissionEnum } from "../users/enums/permission.enum";

@ApiTags("Discounts")
@Controller("discounts")
@AuthGuards()
export class DiscountsController {
  constructor(private readonly discountsService: DiscountsService) {}

  @ApiOperation({ summary: "Create a new discount" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Post()
  @ApiResponse({ status: 201, description: "Discount created successfully" })
  create(@Body() createDiscountDto: CreateDiscountDto) {
    return this.discountsService.create(createDiscountDto);
  }

  @ApiOperation({ summary: "Get all discounts for admin" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Get()
  @ApiResponse({ status: 200, description: "Discounts fetched successfully" })
  getDiscountsForAdmin(@Query() queryDto: SearchDiscountQueryDto) {
    return this.discountsService.getDiscountsForAdmin(queryDto);
  }

  @ApiOperation({ summary: "Get discount by id" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Get(":id")
  @ApiResponse({ status: 200, description: "Discount fetched successfully" })
  getDiscountById(@Param() paramDto: ParamDto) {
    return this.discountsService.getDiscountById(paramDto.id);
  }

  @ApiOperation({ summary: "Toggle discount status" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Post(":id/toggle-status")
  toggleDiscountStatus(@Param() paramDto: ParamDto) {
    return this.discountsService.toggleDiscountStatus(paramDto.id);
  }

  @ApiOperation({ summary: "Delete discount" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Delete(":id")
  deleteDiscount(@Param() paramDto: ParamDto) {
    return this.discountsService.softDeleteDiscount(paramDto.id);
  }

  @ApiOperation({ summary: "Update discount" })
  @AdminRoute()
  @PermissionsDec(PermissionEnum.DISCOUNTS)
  @Patch(":id")
  updateDiscount(@Param() paramDto: ParamDto, @Body() updateDiscountDto: UpdateDiscountDto) {
    return this.discountsService.updateDiscount(paramDto.id, updateDiscountDto);
  }

  @ApiOperation({ summary: "Get discount list for user" })
  @Get("user-discounts")
  getDiscountListForUser(@Query() queryDto: SearchDiscountQueryDto) {
    return this.discountsService.getDiscountListForUser(queryDto);
  }
}