"""Server integration test: the full wizard flow over HTTP with mock adapters.

Covers the job lifecycle (submit -> poll -> result), artifact endpoints,
static file serving of the rendered MP4, and the clone route.
"""

from __future__ import annotations

import os
import time

import pytest

# Mock adapters must be selected BEFORE server.app builds its Pipeline.
os.environ.update(
    ADAPTER_LLM="mock", ADAPTER_TTS="mock", ADAPTER_STOCK="mock",
    ADAPTER_SFX="mock", ADAPTER_MUSIC="mock", ADAPTER_REFDATA="mock",
    ADAPTER_TRANSCRIPT="mock",
)

from tests.mocks import register_mocks  # noqa: E402

register_mocks()

from fastapi.testclient import TestClient  # noqa: E402

from core.stages import topics as topics_stage  # noqa: E402
from server.app import app  # noqa: E402

client = TestClient(app)


def wait_job(job_id: str, timeout: float = 120.0) -> dict:
    deadline = time.time() + timeout
    while time.time() < deadline:
        job = client.get(f"/api/jobs/{job_id}").json()
        if job["status"] == "done":
            return job["result"]
        if job["status"] == "error":
            raise AssertionError(f"job {job['kind']} failed: {job['error']}")
        time.sleep(0.2)
    raise AssertionError("job timed out")


@pytest.fixture(scope="module")
def project_id(request):
    resp = client.post("/api/projects", json={
        "name": "Server Smoke",
        "niche": {"topic": "deep sea creatures", "keywords": ["ocean"],
                  "subreddits": ["ocean"], "audience": "everyone", "tone": "fun"},
        "format": "youtube_short",
        "references": [
            {"kind": "youtube", "name": "@deepseadaily"},
            {"kind": "instagram_style", "name": "oceanreels",
             "url": "https://instagram.com/oceanreels", "notes": "big captions"},
        ],
    })
    assert resp.status_code == 200, resp.text
    pid = resp.json()["id"]
    request.addfinalizer(lambda: client.delete(f"/api/projects/{pid}"))
    return pid


def test_health():
    body = client.get("/api/health").json()
    assert body["ok"] and "caption_presets" in body
    assert "tts_providers" in body


def test_wizard_flow(project_id, monkeypatch):
    monkeypatch.setattr(topics_stage, "_news_signals", lambda p: [])
    monkeypatch.setattr(topics_stage, "_reddit_signals", lambda p: [])

    # style: prompt prepare (job) then refresh, then edit-and-save the output
    job = client.post(f"/api/projects/{project_id}/style/prompt").json()
    assert "STYLE CARD" in wait_job(job["job_id"])["prompt"]
    job = client.post(f"/api/projects/{project_id}/style/refresh", json={}).json()
    style = wait_job(job["job_id"])
    assert style["style_card"] and style["prompt_used"]
    style["style_card"] = "EDITED style card"
    assert client.put(f"/api/projects/{project_id}/style", json=style).json()["style_card"] == "EDITED style card"

    # suggest references (job-based)
    job = client.post(f"/api/projects/{project_id}/references/suggest", json={"n": 3}).json()
    assert isinstance(wait_job(job["job_id"]), list)

    # topics: prompt prepare + generate + inline edit
    job = client.post(f"/api/projects/{project_id}/topics/prompt", json={"n": 5}).json()
    assert wait_job(job["job_id"])["prompt"]
    job = client.post(f"/api/projects/{project_id}/topics/generate", json={"n": 5}).json()
    topics = wait_job(job["job_id"])["topics"]
    assert len(topics) == 5
    topics[0]["title"] = "Edited topic title"
    resp = client.put(f"/api/projects/{project_id}/topics", json={"topics": topics})
    assert resp.json()["topics"][0]["title"] == "Edited topic title"

    # create a reel for the chosen topic
    reel = client.post(f"/api/projects/{project_id}/reels",
                       json={"topic": "Edited topic title"}).json()
    rid = reel["id"]
    base = f"/api/projects/{project_id}/reels/{rid}"

    # script: prompt prepare + generate + patch + scene regen
    assert "scripts" in client.post(f"{base}/script/prompt", json={"topic": "Edited topic title"}).json()["prompt"].lower()
    job = client.post(f"{base}/script/generate", json={"topic": "Edited topic title"}).json()
    script = wait_job(job["job_id"])
    assert len(script["hook_options"]) == 3 and script["prompt_used"]
    script["selected_hook"] = 1
    assert client.patch(f"{base}/script", json=script).json()["selected_hook"] == 1
    job = client.post(f"{base}/script/regenerate-scene", json={"scene": 1}).json()
    assert "Rewritten" in wait_job(job["job_id"])["scenes"][0]["narration"]

    # voices listing (with providers) + voice synthesis
    vinfo = client.get("/api/voices").json()
    assert vinfo["voices"] and "providers" in vinfo
    job = client.post(f"{base}/voice", json={"voice": "", "provider": "mock"}).json()
    assert wait_job(job["job_id"])["total_duration_sec"] > 3

    # media + swap
    job = client.post(f"{base}/media").json()
    media = wait_job(job["job_id"])
    assert media["scenes"] and media["scenes"][0]["candidates"]
    before = media["scenes"][0]["selected"]
    swapped = client.post(f"{base}/media/swap", json={"line_index": 0}).json()
    assert swapped["scenes"][0]["selected"] != before

    # render one variant, then fetch the file over HTTP
    job = client.post(f"{base}/render", json={
        "variants": [{"name": "Variant A", "caption_preset": "bold-center-karaoke", "clip_offset": 0}],
    }).json()
    renders = wait_job(job["job_id"], timeout=300)
    assert renders["results"]
    url = renders["results"][0]["url"]
    assert url.startswith("/files/")
    video = client.get(url)
    assert video.status_code == 200 and len(video.content) > 50_000

    # reel payload includes everything
    payload = client.get(base).json()
    assert payload["script"] and payload["voice"] and payload["media"] and payload["renders"]
    # project payload lists the reel
    proj = client.get(f"/api/projects/{project_id}").json()
    assert any(r["id"] == rid for r in proj["reels"])


def test_multiple_reels_via_api(project_id):
    r1 = client.post(f"/api/projects/{project_id}/reels", json={"topic": "alpha"}).json()
    r2 = client.post(f"/api/projects/{project_id}/reels", json={"topic": "beta"}).json()
    reels = client.get(f"/api/projects/{project_id}/reels").json()
    ids = {r["id"] for r in reels}
    assert {r1["id"], r2["id"]} <= ids
    assert client.delete(f"/api/projects/{project_id}/reels/{r1['id']}").json()["ok"]
    remaining = {r["id"] for r in client.get(f"/api/projects/{project_id}/reels").json()}
    assert r1["id"] not in remaining and r2["id"] in remaining


def test_clone_route(project_id):
    job = client.post(f"/api/projects/{project_id}/clone",
                      json={"url": "https://www.youtube.com/shorts/abcdefghijk"}).json()
    result = wait_job(job["job_id"])
    assert result["reel"]["clone_source"].endswith("abcdefghijk")
    assert result["script"]["clone_source"].endswith("abcdefghijk")

    job = client.post(f"/api/projects/{project_id}/clone",
                      json={"url": "https://example.com/nope"}).json()
    status = None
    for _ in range(50):
        status = client.get(f"/api/jobs/{job['job_id']}").json()
        if status["status"] in ("done", "error"):
            break
        time.sleep(0.1)
    assert status["status"] == "error" and "YouTube" in status["error"]


def test_bad_render_preset(project_id):
    reel = client.post(f"/api/projects/{project_id}/reels", json={"topic": "x"}).json()
    resp = client.post(f"/api/projects/{project_id}/reels/{reel['id']}/render", json={
        "variants": [{"name": "X", "caption_preset": "nope", "clip_offset": 0}],
    })
    assert resp.status_code == 400