import { tmpdir } from "node:os";
import { join } from "node:path";
import type { JobContext, ServerContext } from "@stc/contracts";
import { createCourseRepository } from "@stc/course-format";
import { resolveConfig } from "@stc/core";
import type { Deps } from "../src/context";
import { PYTHON, tmp } from "./fixtures";

export interface TestEnv { deps: Deps; dataDir: string; queued: { kind: string; payload: unknown }[]; jc: JobContext; progress: [number, string | undefined][] }

export async function makeEnv(env: Record<string, string | undefined> = {}): Promise<TestEnv> {
  const dataDir = await tmp("stc-data-");
  const courses = await createCourseRepository([join(dataDir, "courses")]);
  const queued: TestEnv["queued"] = [];
  const progress: TestEnv["progress"] = [];
  const ctx = {
    config: resolveConfig({ databaseUrl: "sqlite://:memory:", dataDir, courseDirs: [join(dataDir, "courses")], secret: "t", publicUrl: "http://x" }),
    courses,
    jobs: { enqueue: async (kind: string, payload: unknown) => { queued.push({ kind, payload }); return "j1"; }, get: async () => null, list: async () => [] },
  } as unknown as ServerContext;
  const jc: JobContext = { signal: new AbortController().signal, reportProgress: async (f, m) => { progress.push([f, m]); } };
  const deps: Deps = {
    ctx, env, tools: { ffmpeg: "ffmpeg", ffprobe: "ffprobe" }, python: PYTHON,
    importRoots: (env.STC_IMPORT_ROOTS ?? tmpdir()).split(":"), transcribeUrl: env.STC_TRANSCRIBE_URL ?? null,
  };
  return { deps, dataDir, queued, jc, progress };
}