import {
  Controller,
  Get,
  Put,
  Delete,
  Body,
  Param,
  Query,
  Post,
  UseGuards,
} from '@nestjs/common'
import { UserRole, CardTypeCategory } from '@mp-pilates/shared'
import { JwtAuthGuard } from '../auth/jwt-auth.guard'
import { RolesGuard } from '../auth/roles.guard'
import { Roles } from '../auth/roles.decorator'
import { CurrentUser } from '../common/decorators/current-user.decorator'
import { UserService } from './user.service'
import { UpdateProfileDto } from './dto/update-profile.dto'
import { UpdateUserMembershipDto } from './dto/update-user-membership.dto'
import { ReportSubscriptionMessageRequestDto } from './dto/report-subscription-message.dto'

const VALID_CARD_TYPES = new Set<string>(Object.values(CardTypeCategory))

@UseGuards(JwtAuthGuard)
@Controller()
export class UserController {
  constructor(private readonly userService: UserService) {}

  @Get('user/profile')
  getProfile(@CurrentUser('sub') userId: string) {
    return this.userService.getProfile(userId)
  }

  @Put('user/profile')
  updateProfile(
    @CurrentUser('sub') userId: string,
    @Body() dto: UpdateProfileDto,
  ) {
    return this.userService.updateProfile(userId, dto)
  }

  @Get('user/stats')
  getStats(@CurrentUser('sub') userId: string) {
    return this.userService.getStats(userId)
  }

  @Get('user/subscription-messages/templates')
  getSubscriptionMessageTemplates() {
    return this.userService.getSubscriptionMessageTemplates()
  }

  @Post('user/subscription-messages/report')
  reportSubscriptionMessageRequests(
    @CurrentUser('sub') userId: string,
    @Body() dto: ReportSubscriptionMessageRequestDto,
  ) {
    return this.userService.reportSubscriptionMessageRequests(userId, dto.requests)
  }

  @Post('user/subscription-messages/admin-booking-count')
  increaseAdminBookingSubscriptionCount(@CurrentUser('sub') userId: string) {
    return this.userService.grantAdminBookingSubscriptionCount(userId)
  }

  // ─── Admin: Member Management ─────────────────────────────────────────────

  @Get('admin/members')
  @UseGuards(RolesGuard)
  @Roles(UserRole.ADMIN)
  getMembers(
    @Query('page') page?: string,
    @Query('limit') limit?: string,
    @Query('search') search?: string,
    @Query('cardType') cardType?: string,
  ) {
    const validCardType =
      cardType && cardType !== 'undefined' && (VALID_CARD_TYPES.has(cardType) || cardType === 'NONE')
        ? cardType
        : undefined
    return this.userService.getMembers(
      page ? Number(page) : 1,
      limit ? Number(limit) : 20,
      search && search !== 'undefined' ? search : undefined,
      validCardType,
    )
  }

  @Get('admin/members/:userId/membership')
  @UseGuards(RolesGuard)
  @Roles(UserRole.ADMIN)
  getUserMembership(@Param('userId') userId: string) {
    return this.userService.getUserMembership(userId)
  }

  @Put('admin/members/:userId/membership')
  @UseGuards(RolesGuard)
  @Roles(UserRole.ADMIN)
  updateUserMembership(
    @Param('userId') userId: string,
    @Body() dto: UpdateUserMembershipDto,
  ) {
    return this.userService.updateUserMembership(userId, dto)
  }

  @Delete('admin/members/:userId/membership')
  @UseGuards(RolesGuard)
  @Roles(UserRole.ADMIN)
  deleteUserMembership(@Param('userId') userId: string) {
    return this.userService.deleteUserMembership(userId)
  }
}