import { Body, Controller, Get, HttpCode, HttpStatus, Post } from "@nestjs/common";
import { ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";
import { PreviewEmailDto, TestEmailDto } from "../dto/preview-email.dto";
import { EmailTestService } from "../services/email-test.service";

@ApiTags("Admin - Email Testing")
@Controller("api/admin/email/test")
export class EmailTestController {
  constructor(private readonly emailTestService: EmailTestService) {}

  @Get("templates")
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: "List all available email templates" })
  @ApiResponse({
    status: 200,
    description: "Returns list of all active email templates",
  })
  async listTemplates() {
    return this.emailTestService.listTemplates();
  }

  @Post("preview")
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: "Preview email template with test data" })
  @ApiResponse({
    status: 200,
    description: "Returns preview of email template with variables replaced",
  })
  async previewTemplate(@Body() dto: PreviewEmailDto) {
    return this.emailTestService.previewTemplate(dto);
  }

  @Post("test")
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: "Test sending an email (development only)" })
  @ApiResponse({
    status: 200,
    description: "Sends a test email and returns result",
  })
  async testEmail(@Body() dto: TestEmailDto) {
    return this.emailTestService.testEmail(dto);
  }

  @Post("test-all")
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: "Test all email templates" })
  @ApiResponse({
    status: 200,
    description: "Tests all templates and returns summary",
  })
  async testAllTemplates() {
    return this.emailTestService.testAllTemplates();
  }
}