import {
  Controller,
  Get,
  Post,
  Patch,
  Delete,
  Body,
  Param,
  Query,
  UseGuards,
  HttpCode,
  HttpStatus,
} from "@nestjs/common";
import { AuthGuard } from "../auth/guards/auth.guard";
import { WorkspaceGuard, PermissionGuard } from "../common/guards";
import { Workspace, Permission, RequirePermission } from "../common/decorators";
import { PersonalitiesService } from "./personalities.service";
import { CreatePersonalityDto } from "./dto/create-personality.dto";
import { UpdatePersonalityDto } from "./dto/update-personality.dto";
import { PersonalityQueryDto } from "./dto/personality-query.dto";
import type { PersonalityResponse } from "./entities/personality.entity";

/**
 * Controller for personality CRUD endpoints.
 * Route: /api/personalities
 *
 * Guards applied in order:
 * 1. AuthGuard - verifies the user is authenticated
 * 2. WorkspaceGuard - validates workspace access
 * 3. PermissionGuard - checks role-based permissions
 */
@Controller("personalities")
@UseGuards(AuthGuard, WorkspaceGuard, PermissionGuard)
export class PersonalitiesController {
  constructor(private readonly personalitiesService: PersonalitiesService) {}

  /**
   * GET /api/personalities
   * List all personalities for the workspace.
   * Supports ?isActive=true|false filter.
   */
  @Get()
  @RequirePermission(Permission.WORKSPACE_ANY)
  async findAll(
    @Workspace() workspaceId: string,
    @Query() query: PersonalityQueryDto
  ): Promise<{ success: true; data: PersonalityResponse[] }> {
    const data = await this.personalitiesService.findAll(workspaceId, query);
    return { success: true, data };
  }

  /**
   * GET /api/personalities/default
   * Get the default personality for the workspace.
   * Must be declared before :id to avoid route conflicts.
   */
  @Get("default")
  @RequirePermission(Permission.WORKSPACE_ANY)
  async findDefault(@Workspace() workspaceId: string): Promise<PersonalityResponse> {
    return this.personalitiesService.findDefault(workspaceId);
  }

  /**
   * GET /api/personalities/:id
   * Get a single personality by ID.
   */
  @Get(":id")
  @RequirePermission(Permission.WORKSPACE_ANY)
  async findOne(
    @Workspace() workspaceId: string,
    @Param("id") id: string
  ): Promise<PersonalityResponse> {
    return this.personalitiesService.findOne(workspaceId, id);
  }

  /**
   * POST /api/personalities
   * Create a new personality.
   */
  @Post()
  @HttpCode(HttpStatus.CREATED)
  @RequirePermission(Permission.WORKSPACE_MEMBER)
  async create(
    @Workspace() workspaceId: string,
    @Body() dto: CreatePersonalityDto
  ): Promise<PersonalityResponse> {
    return this.personalitiesService.create(workspaceId, dto);
  }

  /**
   * PATCH /api/personalities/:id
   * Update an existing personality.
   */
  @Patch(":id")
  @RequirePermission(Permission.WORKSPACE_MEMBER)
  async update(
    @Workspace() workspaceId: string,
    @Param("id") id: string,
    @Body() dto: UpdatePersonalityDto
  ): Promise<PersonalityResponse> {
    return this.personalitiesService.update(workspaceId, id, dto);
  }

  /**
   * DELETE /api/personalities/:id
   * Delete a personality.
   */
  @Delete(":id")
  @HttpCode(HttpStatus.NO_CONTENT)
  @RequirePermission(Permission.WORKSPACE_MEMBER)
  async delete(@Workspace() workspaceId: string, @Param("id") id: string): Promise<void> {
    return this.personalitiesService.delete(workspaceId, id);
  }

  /**
   * POST /api/personalities/:id/set-default
   * Convenience endpoint to set a personality as the default.
   */
  @Post(":id/set-default")
  @RequirePermission(Permission.WORKSPACE_MEMBER)
  async setDefault(
    @Workspace() workspaceId: string,
    @Param("id") id: string
  ): Promise<PersonalityResponse> {
    return this.personalitiesService.setDefault(workspaceId, id);
  }
}