import base64
import asyncio
import json
from types import SimpleNamespace

from fastapi import HTTPException


def fake_request(**kwargs):
    return SimpleNamespace(
        headers=kwargs.get("headers", {}),
        client=SimpleNamespace(host=kwargs.get("host", "127.0.0.1")),
        state=SimpleNamespace(**kwargs.get("state", {})),
    )


def add_app(app_id="testapp", app_name="Test App"):
    from app.api.routes import admin_app_channel
    from app.schemas.app_channel import AppCreateRequest

    response = admin_app_channel.admin_add_app(AppCreateRequest(app_id=app_id, app_name=app_name))
    assert response["msg"] == "应用创建成功"


def create_license(app_id="testapp", channel="stable"):
    from app.api.routes import admin_license
    from app.schemas.license import LicenseCreateRequest

    response = admin_license.admin_license_create(
        LicenseCreateRequest(
            app_id=app_id,
            channel=channel,
            customer_name="自动化测试客户",
            max_devices=1,
            valid_until="2099-12-31T23:59:59Z",
        )
    )
    return response["license_key"]


def encode_device_credential(issue_response: dict) -> str:
    wrapper = {
        "identity_text": issue_response["identity_text"],
        "signature": issue_response["signature"],
    }
    return base64.b64encode(json.dumps(wrapper, separators=(",", ":")).encode()).decode()


async def run_admin_login_license_and_device_issue(server_module):
    async with server_module.lifespan(server_module.app):
        from app.api.routes import admin_auth, admin_license, client_update
        from app.schemas.admin_auth import AdminLoginRequest
        from app.schemas.client_update import CheckUpdateRequest, DeviceIssueRequest

        login = admin_auth.login(
            AdminLoginRequest(username="admin", password="AdminPass2026"),
            fake_request(headers={"user-agent": "pytest"}),
        )
        assert login["success"] is True
        assert login["data"]["accessToken"]

        add_app()
        license_key = create_license()

        issue_data = await client_update.issue_device(
            fake_request(),
            DeviceIssueRequest(
                app_id="testapp",
                channel="stable",
                license_key=license_key,
                installation_id="install-test-000001",
                machine_hash="ab" * 32,
            ),
        )
        assert issue_data["identity"]["app_id"] == "testapp"
        assert issue_data["identity"]["channel"] == "stable"

        credential = encode_device_credential(issue_data)
        assert credential
        check_data = await client_update.check_update(
            fake_request(state={"device_identity": issue_data["identity"]}),
            CheckUpdateRequest(
                app_id="testapp",
                channel="stable",
                current_version="1.0.0",
                client_protocol=3,
            ),
        )
        assert check_data["allow_run"] is True
        assert check_data["release_available"] is False

        licenses = admin_license.admin_license_list(app_id="testapp")
        assert licenses["list"][0]["used_devices"] == 1


def test_admin_login_license_and_device_issue(server_module):
    asyncio.run(run_admin_login_license_and_device_issue(server_module))


async def run_git_tags_policy_gate(server_module, monkeypatch):
    async with server_module.lifespan(server_module.app):
        from app.api.routes import admin_policy, client_update, git_tags
        from app.schemas.client_update import DeviceIssueRequest, GitTagsRequest
        from app.schemas.policy import PolicySaveRequest

        add_app("gitapp", "Git App")
        license_key = create_license("gitapp", "stable")
        issue_data = await client_update.issue_device(
            fake_request(),
            DeviceIssueRequest(
                app_id="gitapp",
                channel="stable",
                license_key=license_key,
                installation_id="install-git-tags-000001",
                machine_hash="cd" * 32,
            ),
        )
        request = fake_request(state={"device_identity": issue_data["identity"]})
        body = GitTagsRequest(app_id="gitapp", channel="stable")

        try:
            git_tags.client_git_tags(request, body)
            assert False, "Git tags should be blocked before the policy is enabled"
        except HTTPException as exc:
            assert exc.status_code == 403
            assert exc.detail["error"] == "git_tags_disabled"

        admin_policy.admin_save_policy(
            PolicySaveRequest(
                app_id="gitapp",
                channel="stable",
                valid_until="2099-12-31T23:59:59Z",
                git_tags_enabled=True,
            )
        )
        monkeypatch.setattr(
            git_tags,
            "load_git_tags",
            lambda force_refresh=False: {
                "generated_at": "2026-07-20T00:00:00Z",
                "repo_count": 1,
                "tag_count": 2,
                "tags_text": "[owner/repo]\nv1.0.0\nv1.0.1\n",
            },
        )

        result = git_tags.client_git_tags(request, body)
        assert result["repo_count"] == 1
        assert result["tag_count"] == 2
        assert "v1.0.1" in result["tags_text"]


def test_git_tags_policy_gate(server_module, monkeypatch):
    asyncio.run(run_git_tags_policy_gate(server_module, monkeypatch))


async def run_publish_payload_creates_version(server_module, tmp_path):
    async with server_module.lifespan(server_module.app):
        from app.api.routes import admin_version
        from app.services import publish_service

        add_app("publishapp", "Publish App")
        release_dir = tmp_path / "release"
        bin_dir = release_dir / "bin"
        bin_dir.mkdir(parents=True)
        exe_path = bin_dir / "SimCAE.exe"
        readme_path = release_dir / "README.txt"
        exe_path.write_bytes(b"fake exe")
        readme_path.write_text("hello", encoding="utf-8")

        result = await publish_service.publish_payload(
            {
                "upload_items": [
                    {"path": "bin/SimCAE.exe", "local_path": exe_path},
                    {"path": "README.txt", "local_path": readme_path},
                ],
                "archive_upload": None,
                "archive_temp_dir": None,
                "app_id": "publishapp",
                "channel": "stable",
                "version": "1.0.1",
                "client_protocol": 3,
            }
        )
        assert result["file_count"] == 2

        versions = admin_version.admin_get_version_list("publishapp")
        assert any(item["version"] == "1.0.1" for item in versions["list"])


def test_publish_payload_creates_version(server_module, tmp_path):
    asyncio.run(run_publish_payload_creates_version(server_module, tmp_path))