import json
import shutil

import pytest

from app.blobs import read_bytes
from app.config import get_settings
from app.converter import pyexpr
from app.converter.pipeline import convert_archive
from app.converter.rpy_parser import RpyParser, ScriptData
from tests.make_sample import build


@pytest.fixture
def data_dir(tmp_path, monkeypatch):
    monkeypatch.setenv("DATA_DIR", str(tmp_path / "data"))
    get_settings.cache_clear()
    yield tmp_path / "data"
    get_settings.cache_clear()


def parse(src: str) -> ScriptData:
    d = ScriptData()
    RpyParser(d, "t.rpy").parse(src)
    return d


def test_expr_translation():
    e = pyexpr.parse_expr("a >= 1 and 'x' in inv or not flag")
    assert e["k"] == "bool" and e["op"] == "or"
    with pytest.raises(pyexpr.Unsupported):
        pyexpr.parse_expr("lambda: 1")


def test_say_variants():
    d = parse('label start:\n    "narration"\n    e happy "hi" with dissolve\n'
              '    "Bob" "named"\n    centered "c"\n')
    body = d.modules["t.rpy"][0]["body"]
    assert body[0] == {"op": "say", "what": "narration"}
    assert body[1]["who"] == "e" and body[1]["attrs"] == ["happy"] and body[1]["with"]["t"] == "dissolve"
    assert body[2]["whoStr"] == "Bob"
    assert body[3]["who"] == "centered"


def test_string_whitespace_and_escapes():
    d = parse('label start:\n    "multi\n     line \\"q\\" {b}x{/b}"\n')
    assert d.modules["t.rpy"][0]["body"][0]["what"] == 'multi line "q" {b}x{/b}'


def test_if_chain_and_menu():
    d = parse("label start:\n    if a:\n        jump x\n    elif b:\n        pass\n    else:\n"
              "        return\n    menu:\n        \"A\" if c:\n            jump y\n        \"B\":\n"
              "            pass\n")
    body = d.modules["t.rpy"][0]["body"]
    assert [b["c"] is None for b in body[0]["branches"]] == [False, False, True]
    assert [i["text"] for i in body[1]["items"]] == ["A", "B"]


def test_unsupported_python_is_reported_not_fatal():
    d = parse("init python:\n    def f():\n        pass\n    x = 1\nlabel start:\n    $ y = x\n")
    assert d.warnings and d.init_code[0]["op"] == "set"


def test_full_pipeline(data_dir, tmp_path):
    archive = build(tmp_path / "sample.zip")
    steps = []
    result = convert_archive(archive, "sample.zip", tmp_path / "work", steps.append)
    files = result.manifest["files"]
    assert "game.json" in files and "script/script.json" in files
    assert "images/bg room.webp" in files
    game = json.loads(read_bytes(files["game.json"]["hash"]))
    assert game["title"] == "Тестовая новелла"
    assert game["resolution"] == [1280, 720]
    assert game["images"]["bg room"]["file"] == "images/bg room.webp"
    assert game["images"]["eileen sad"]["props"]["alpha"] == 0.7
    assert "e" in game["characters"]
    assert result.cover_source is not None
    script = json.loads(read_bytes(files["script/script.json"]["hash"]))
    assert [lbl["name"] for lbl in script["labels"]] == ["start", "walk", "stay_home", "ending"]
    if shutil.which("ffmpeg"):
        assert "audio/theme.ogg" in files