from __future__ import annotations

import json
from pathlib import Path

from ozan_radio.web_playlist import (
    PLAYLIST_MARKER,
    build_playlist_payload,
    embed_playlist_in_html,
    export_gateway_playlist,
)


def test_build_playlist_payload_excludes_skip(songs_dir: Path):
    payload = build_playlist_payload(songs_dir)
    ids = [t["id"] for t in payload["tracks"]]
    assert "11111111" in ids
    assert "22222222" not in ids
    assert payload["tracks"][0]["url"].startswith("https://tinqs.com/tinqs/live-radio/media/")


def test_embed_playlist_in_html_replaces_marker():
    html = f"<script>{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}</script>"
    out = embed_playlist_in_html(html, {"tracks": [{"id": "abc"}]})
    assert '"abc"' in out
    assert PLAYLIST_MARKER in out


def test_export_gateway_playlist_writes_json_and_embeds(tmp_path: Path, songs_dir: Path):
    gateway = tmp_path / "gateway"
    gateway.mkdir()
    index = gateway / "index.html"
    index.write_text(
        f"<script>\n{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}\n</script>\n",
        encoding="utf-8",
    )
    winamp = gateway / "winamp.html"
    winamp.write_text(
        f"<script>\n{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}\n</script>\n",
        encoding="utf-8",
    )
    (tmp_path / "songs").mkdir(exist_ok=True)
    for f in songs_dir.iterdir():
        dest = tmp_path / "songs" / f.name
        dest.write_bytes(f.read_bytes())

    result = export_gateway_playlist(tmp_path)
    assert result is not None
    data = json.loads((tmp_path / "gateway" / "playlist.json").read_text(encoding="utf-8"))
    assert len(data["tracks"]) == 1
    html = index.read_text(encoding="utf-8")
    assert "11111111" in html
    assert PLAYLIST_MARKER in html
    whtml = winamp.read_text(encoding="utf-8")
    assert "11111111" in whtml