import {
  Controller,
  Get,
  Post,
  Patch,
  Delete,
  Body,
  Param,
  Query,
  UseGuards,
  Request,
  UnauthorizedException,
} from "@nestjs/common";
import { IdeasService } from "./ideas.service";
import { CreateIdeaDto, CaptureIdeaDto, UpdateIdeaDto, QueryIdeasDto } from "./dto";
import { AuthGuard } from "../auth/guards/auth.guard";
import type { AuthenticatedRequest } from "../common/types/user.types";

/**
 * Controller for idea endpoints
 * All endpoints require authentication
 */
@Controller("ideas")
@UseGuards(AuthGuard)
export class IdeasController {
  constructor(private readonly ideasService: IdeasService) {}

  /**
   * POST /api/ideas/capture
   * Quick capture endpoint for rapid idea capture
   * Requires minimal fields: content only (title optional)
   */
  @Post("capture")
  async capture(@Body() captureIdeaDto: CaptureIdeaDto, @Request() req: AuthenticatedRequest) {
    const workspaceId = req.user?.workspaceId;
    const userId = req.user?.id;

    if (!workspaceId || !userId) {
      throw new UnauthorizedException("Authentication required");
    }

    return this.ideasService.capture(workspaceId, userId, captureIdeaDto);
  }

  /**
   * POST /api/ideas
   * Create a new idea with full categorization options
   */
  @Post()
  async create(@Body() createIdeaDto: CreateIdeaDto, @Request() req: AuthenticatedRequest) {
    const workspaceId = req.user?.workspaceId;
    const userId = req.user?.id;

    if (!workspaceId || !userId) {
      throw new UnauthorizedException("Authentication required");
    }

    return this.ideasService.create(workspaceId, userId, createIdeaDto);
  }

  /**
   * GET /api/ideas
   * Get paginated ideas with optional filters
   * Supports status, domain, project, category, and search filters
   */
  @Get()
  async findAll(@Query() query: QueryIdeasDto, @Request() req: AuthenticatedRequest) {
    const workspaceId = req.user?.workspaceId;
    if (!workspaceId) {
      throw new UnauthorizedException("Authentication required");
    }
    return this.ideasService.findAll(Object.assign({}, query, { workspaceId }));
  }

  /**
   * GET /api/ideas/:id
   * Get a single idea by ID
   */
  @Get(":id")
  async findOne(@Param("id") id: string, @Request() req: AuthenticatedRequest) {
    const workspaceId = req.user?.workspaceId;
    if (!workspaceId) {
      throw new UnauthorizedException("Authentication required");
    }
    return this.ideasService.findOne(id, workspaceId);
  }

  /**
   * PATCH /api/ideas/:id
   * Update an idea
   */
  @Patch(":id")
  async update(
    @Param("id") id: string,
    @Body() updateIdeaDto: UpdateIdeaDto,
    @Request() req: AuthenticatedRequest
  ) {
    const workspaceId = req.user?.workspaceId;
    const userId = req.user?.id;

    if (!workspaceId || !userId) {
      throw new UnauthorizedException("Authentication required");
    }

    return this.ideasService.update(id, workspaceId, userId, updateIdeaDto);
  }

  /**
   * DELETE /api/ideas/:id
   * Delete an idea
   */
  @Delete(":id")
  async remove(@Param("id") id: string, @Request() req: AuthenticatedRequest) {
    const workspaceId = req.user?.workspaceId;
    const userId = req.user?.id;

    if (!workspaceId || !userId) {
      throw new UnauthorizedException("Authentication required");
    }

    return this.ideasService.remove(id, workspaceId, userId);
  }
}
