import io
import zipfile
from pathlib import Path
from fastapi.testclient import TestClient

import app.server as server


class FakeMinio:
    def __init__(self):
        self.objs = {}

    def put_object(self, bucket_name: str, object_name: str, data: io.BytesIO, length: int, content_type: str):
        self.objs[(bucket_name, object_name)] = data.read(length)

    def get_presigned_url(self, method: str, bucket: str, obj: str, expires: int):
        return f"http://minio.test/presigned/{bucket}/{obj}"

    def presigned_get_object(self, bucket: str, obj: str, expires: int):
        return f"http://minio.test/presigned/{bucket}/{obj}"


def setup_module(module=None):
    server.RUNTIME_CONFIG["minio"].update({
        "endpoint": "127.0.0.1:9000",
        "public": "http://127.0.0.1:9000",
        "access": "ak",
        "secret": "sk",
        "bucket": "test",
        "secure": "false",
        "prefix": "assets",
        "store_final": "true",
        "public_read": "true",
    })
    fake = FakeMinio()
    def _cur():
        return fake, "test", "http://127.0.0.1:9000", "assets"
    server._minio_current = _cur  # type: ignore


def test_process_invalid_id():
    app = server.app
    c = TestClient(app)
    r = c.post("/api/archive/process", data={"id": "missing"})
    assert r.status_code == 200
    j = r.json()
    assert j["code"] != 0


def test_stage_unsupported_format_and_cleanup(tmp_path: Path):
    app = server.app
    c = TestClient(app)
    rar_path = tmp_path / "pkg.rar"
    rar_path.write_bytes(b"RAR")
    with open(rar_path, "rb") as fp:
        files = {"file": ("pkg.rar", fp.read())}
    r1 = c.post("/api/archive/stage", files=files)
    assert r1.status_code == 200
    sid = r1.json()["data"]["id"]
    r2 = c.post("/api/archive/process", data={"id": sid})
    assert r2.status_code == 200
    j2 = r2.json()
    assert j2["code"] != 0
    r3 = c.post("/api/archive/process", data={"id": sid})
    assert r3.status_code == 200
    j3 = r3.json()
    assert j3["code"] != 0


def test_upload_list_empty_lines_comments_and_urls(tmp_path: Path):
    app = server.app
    c = TestClient(app)
    root = tmp_path / "listcase2"
    root.mkdir(parents=True, exist_ok=True)
    (root / "img.png").write_bytes(b"PNG")
    (root / "a.md").write_text("![](img.png)", "utf-8")
    (root / "b.txt").write_text("![](img.png)", "utf-8")
    lines = ["", "# comment", "http://example.com/x.md", str(root / "a.md"), str(root / "b.txt")] 
    data_bytes = "\n".join(lines).encode("utf-8")
    files = {"list_file": ("list.txt", data_bytes)}
    r = c.post("/api/upload-list", files=files, data={"prefix": "assets", "versionId": "1005"})
    assert r.status_code == 200
    j = r.json()
    assert j["code"] == 0
    assert j["data"]["count"] >= 2


def test_archive_duplicate_filenames_tree(tmp_path: Path):
    app = server.app
    c = TestClient(app)
    zpath = tmp_path / "dup.zip"
    base = tmp_path / "src"
    sub = base / "sub"
    sub.mkdir(parents=True, exist_ok=True)
    (base / "a.md").write_text("![](img.png)", "utf-8")
    (base / "img.png").write_bytes(b"PNG")
    (sub / "a.md").write_text("![](../img.png)", "utf-8")
    with zipfile.ZipFile(str(zpath), "w") as zf:
        zf.write(str(base / "a.md"), arcname="a.md")
        zf.write(str(base / "img.png"), arcname="img.png")
        zf.write(str(sub / "a.md"), arcname="sub/a.md")
    with open(zpath, "rb") as fp:
        files = {"file": ("dup.zip", fp.read())}
    r1 = c.post("/api/archive/stage", files=files)
    assert r1.status_code == 200
    sid = r1.json()["data"]["id"]
    r2 = c.post("/api/archive/process", data={"id": sid, "prefix": "assets", "versionId": "1006"})
    assert r2.status_code == 200
    j = r2.json()
    assert j["code"] == 0
    tree = j["data"]["import"]["tree"]
    names = [n["name"] for n in tree]
    assert "sub" in names or any((isinstance(n, dict) and n.get("type") == "FOLDER" and n.get("name") == "sub") for n in tree)