import {
  Controller,
  Get,
  Post,
  Put,
  Delete,
  Body,
  Param,
  Query,
  UseGuards,
  Req,
  ParseBoolPipe,
  HttpCode,
  HttpStatus,
} from "@nestjs/common";
import { AuthGuard } from "../auth/guards/auth.guard";
import { PersonalitiesService } from "./personalities.service";
import { PromptFormatterService, PromptContext } from "./services/prompt-formatter.service";
import { CreatePersonalityDto, UpdatePersonalityDto } from "./dto";
import { Personality } from "./entities/personality.entity";

interface AuthenticatedRequest {
  user: { id: string };
  workspaceId: string;
}

@Controller("personalities")
@UseGuards(AuthGuard)
export class PersonalitiesController {
  constructor(
    private readonly personalitiesService: PersonalitiesService,
    private readonly promptFormatter: PromptFormatterService,
  ) {}

  @Get()
  async findAll(
    @Req() req: AuthenticatedRequest,
    @Query("isActive", new ParseBoolPipe({ optional: true })) isActive?: boolean,
  ): Promise<Personality[]> {
    return this.personalitiesService.findAll(req.workspaceId, isActive);
  }

  @Get("default")
  async findDefault(@Req() req: AuthenticatedRequest): Promise<Personality> {
    return this.personalitiesService.findDefault(req.workspaceId);
  }

  @Get("formality-levels")
  getFormalityLevels(): Array<{ level: string; description: string }> {
    return this.promptFormatter.getFormalityLevels();
  }

  @Get(":id")
  async findOne(@Req() req: AuthenticatedRequest, @Param("id") id: string): Promise<Personality> {
    return this.personalitiesService.findOne(req.workspaceId, id);
  }

  @Post()
  @HttpCode(HttpStatus.CREATED)
  async create(@Req() req: AuthenticatedRequest, @Body() dto: CreatePersonalityDto): Promise<Personality> {
    return this.personalitiesService.create(req.workspaceId, dto);
  }

  @Put(":id")
  async update(
    @Req() req: AuthenticatedRequest,
    @Param("id") id: string,
    @Body() dto: UpdatePersonalityDto,
  ): Promise<Personality> {
    return this.personalitiesService.update(req.workspaceId, id, dto);
  }

  @Delete(":id")
  @HttpCode(HttpStatus.OK)
  async remove(@Req() req: AuthenticatedRequest, @Param("id") id: string): Promise<Personality> {
    return this.personalitiesService.remove(req.workspaceId, id);
  }

  @Post(":id/preview")
  async previewPrompt(
    @Req() req: AuthenticatedRequest,
    @Param("id") id: string,
    @Body() context?: PromptContext,
  ): Promise<{ systemPrompt: string }> {
    const personality = await this.personalitiesService.findOne(req.workspaceId, id);
    const { systemPrompt } = this.promptFormatter.formatPrompt(personality, context);
    return { systemPrompt };
  }
}