import os
import sqlite3
import sys
import tempfile
import types

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

_TEST_ROOT = tempfile.mkdtemp(prefix="pinvault-test-")


def _install_sqlcipher_shim():
    """Fall back to plain sqlite3 when pysqlcipher3 is not installed.

    The SQLCipher-specific `PRAGMA key` statement is swallowed so the app's
    full endpoint logic can be exercised without the native library.
    """
    try:
        import pysqlcipher3.dbapi2  # noqa: F401
        return
    except ImportError:
        pass

    class _Connection:
        def __init__(self, raw):
            self._raw = raw

        @property
        def row_factory(self):
            return self._raw.row_factory

        @row_factory.setter
        def row_factory(self, value):
            self._raw.row_factory = value

        def execute(self, sql, *args):
            if sql.strip().upper().startswith("PRAGMA KEY"):
                return self._raw.execute("SELECT 1", *args)
            return self._raw.execute(sql, *args)

        def commit(self):
            self._raw.commit()

        def close(self):
            self._raw.close()

        def __enter__(self):
            return self

        def __exit__(self, *exc):
            self._raw.close()

    def connect(path, *args, **kwargs):
        raw = sqlite3.connect(path, *args, **kwargs)
        return _Connection(raw)

    dbapi = types.ModuleType("pysqlcipher3.dbapi2")
    dbapi.connect = connect
    pkg = types.ModuleType("pysqlcipher3")
    pkg.dbapi2 = dbapi
    sys.modules["pysqlcipher3"] = pkg
    sys.modules["pysqlcipher3.dbapi2"] = dbapi


_install_sqlcipher_shim()

os.environ.setdefault("PINVAULT_MASTER_HASH", "$2b$12$" + "a" * 53)
os.environ.setdefault("PINVAULT_DB", os.path.join(_TEST_ROOT, "pinvault.db"))
os.environ.setdefault("PINVAULT_LOCAL_BACKUP_DIR", os.path.join(_TEST_ROOT, "backups"))
os.environ.setdefault("PINVAULT_NAS_BACKUP_DIR", "")
os.environ.setdefault("PINVAULT_API_KEY", "test-api-key-0123456789abcdef0123456789abcd")

import app as pinvault  # noqa: E402

import pytest  # noqa: E402

AUTH = {"Authorization": f"Bearer {os.environ['PINVAULT_API_KEY']}"}


def create_pin(client, label="test", lock_days=30):
    resp = client.post("/api/pins", json={"label": label, "lock_days": lock_days}, headers=AUTH)
    assert resp.status_code == 201, resp.get_json()
    return resp.get_json()


@pytest.fixture()
def client():
    pinvault._pin_attempt_locks.clear()
    return pinvault.app.test_client()