import type Database from "bun:sqlite";

import type { RuntimeMode } from "../../../shared/api";
import type { Logger } from "../../logger";

import { listProjects } from "../../db/projects";
import { createApiError, jsonResponse } from "../../helpers";
import { validatePagination } from "../../middleware";

export function handleListProjects(req: Request, db: Database, mode: RuntimeMode, _logger: Logger): Response {
  const url = new URL(req.url);
  const pageParam = url.searchParams.get("page");
  const pageSizeParam = url.searchParams.get("pageSize");
  const keyword = url.searchParams.get("keyword");
  const statusParam = url.searchParams.get("status");

  const pagination = validatePagination(pageParam, pageSizeParam, mode);
  if (pagination instanceof Response) return pagination;

  if (statusParam && statusParam !== "active" && statusParam !== "archived") {
    return jsonResponse(createApiError("Invalid status parameter", 400), { mode, status: 400 });
  }

  const result = listProjects(db, {
    keyword: keyword ?? undefined,
    page: pagination.page,
    pageSize: pagination.pageSize,
    status: (statusParam as "active" | "archived") ?? undefined,
  });

  return jsonResponse(result, { mode });
}