import { Body, Controller, HttpCode, Inject, Param, Post, Put, Req } from "@nestjs/common";
import type { Request } from "express";
import { UploadsService } from "./uploads.service.js";
import { ZodValidate } from "../../common/pipes/zod-validation.pipe.js";
import { requireActor } from "../../common/types.js";
import {
  CancelUploadDto,
  type CancelUploadInput,
  CompleteUploadDto,
  type CompleteUploadInput,
  CreateUploadDto,
  type CreateUploadInput,
} from "./dto.js";

/**
 * TASK-0101 — upload sessions:
 *   POST /files/uploads               open a session (201, signed PUT URL)
 *   PUT  /files/uploads/:id/complete  verify + SCANNING + enqueue pipeline
 *   POST /files/uploads/:id/cancel    delete partial object + row
 */
@Controller()
export class UploadsController {
  constructor(@Inject(UploadsService) private readonly uploads: UploadsService) {}

  @Post("files/uploads")
  create(@Body(ZodValidate(CreateUploadDto)) body: CreateUploadInput, @Req() req: Request) {
    return this.uploads.create(requireActor(req), body, req);
  }

  @Put("files/uploads/:id/complete")
  complete(
    @Param("id") id: string,
    @Body(ZodValidate(CompleteUploadDto)) body: CompleteUploadInput,
    @Req() req: Request,
  ) {
    return this.uploads.complete(id, requireActor(req), body, req);
  }

  /** Cancel deletes state (partial object + row); a successful deletion is
   *  200 (the `{ deleted: true }` body confirms it), not 201. */
  @HttpCode(200)
  @Post("files/uploads/:id/cancel")
  cancel(
    @Param("id") id: string,
    @Body(ZodValidate(CancelUploadDto)) body: CancelUploadInput,
    @Req() req: Request,
  ) {
    return this.uploads.cancel(id, requireActor(req), body, req);
  }
}