import { Controller, Get, Post, Put, Body, Headers } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiHeader, ApiResponse } from '@nestjs/swagger';
import { Public } from '../../auth/decorators/public.decorator';
import { SetupService } from './setup.service';
import { CreateAdminDto } from './dto/create-admin.dto';
import { SaveBrandingDto } from './dto/save-branding.dto';

@ApiTags('setup')
@Public()
@Controller('setup')
export class SetupController {
  constructor(private readonly setupService: SetupService) {}

  @Get('status')
  @ApiOperation({ summary: 'Get current setup status' })
  @ApiResponse({
    status: 200,
    description: 'Returns whether setup is completed and token is configured',
    schema: {
      type: 'object',
      properties: {
        completed: { type: 'boolean', example: false },
        tokenConfigured: { type: 'boolean', example: true },
      },
    },
  })
  getStatus() {
    return this.setupService.getStatus();
  }

  @Post('admin')
  @ApiOperation({ summary: 'Create initial admin user in Keycloak and local DB' })
  @ApiHeader({ name: 'x-setup-token', required: true })
  @ApiResponse({ status: 201, description: 'Admin user created' })
  @ApiResponse({ status: 401, description: 'Invalid setup token' })
  @ApiResponse({ status: 403, description: 'Setup already completed' })
  @ApiResponse({ status: 409, description: 'User already exists in Keycloak' })
  createAdmin(
    @Body() dto: CreateAdminDto,
    @Headers('x-setup-token') token: string,
  ) {
    return this.setupService.createAdmin(dto, token ?? '');
  }

  @Put('branding')
  @ApiOperation({ summary: 'Save branding settings (app name, company, logo)' })
  @ApiHeader({ name: 'x-setup-token', required: true })
  @ApiResponse({ status: 200, description: 'Branding settings saved' })
  @ApiResponse({ status: 401, description: 'Invalid setup token' })
  @ApiResponse({ status: 403, description: 'Setup already completed' })
  saveBranding(
    @Body() dto: SaveBrandingDto,
    @Headers('x-setup-token') token: string,
  ) {
    return this.setupService.saveBranding(dto, token ?? '');
  }

  @Post('complete')
  @ApiOperation({ summary: 'Mark setup as completed' })
  @ApiHeader({ name: 'x-setup-token', required: true })
  @ApiResponse({ status: 201, description: 'Setup marked as completed' })
  @ApiResponse({ status: 401, description: 'Invalid setup token' })
  @ApiResponse({ status: 403, description: 'Setup already completed' })
  completeSetup(@Headers('x-setup-token') token: string) {
    return this.setupService.completeSetup(token ?? '');
  }
}