import unittest
import sys
from pathlib import Path
import psycopg

code_path = Path(__file__).parent.parent / "ca_core"
sys.path.insert(0, str(code_path))

import metadata

DBNAME = "ca"

def get_last_log(cursor):
    cursor.execute("SELECT entry FROM log ORDER BY id DESC LIMIT 1")
    row = cursor.fetchone()
    return row["entry"] if row else ""


class TestMetadataFunctions(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        cls.conn = psycopg.connect(f"dbname={DBNAME}")
        cls.cur = cls.conn.cursor(row_factory=psycopg.rows.dict_row)

    @classmethod
    def tearDownClass(cls):
        cls.cur.close()
        cls.conn.close()

    def setUp(self):
        self.conn.rollback()

    def tearDown(self):
        self.conn.rollback()

    def test_set_and_get_name(self):
        metadata.set_name(self.cur, "AppName")
        self.assertEqual(metadata.get_name(self.cur), "AppName")

        log_entry = get_last_log(self.cur).lower()
        self.assertIn("metadata name", log_entry)
        self.assertIn("appname", log_entry)

    def test_set_and_get_comment(self):
        metadata.set_comment(self.cur, "Test comment")
        self.assertEqual(metadata.get_comment(self.cur), "Test comment")

        log_entry = get_last_log(self.cur).lower()
        self.assertIn("metadata comment", log_entry)

    def test_set_and_get_keys(self):
        metadata.set_keys(self.cur, "pubkey123", "privkey456")

        self.assertEqual(metadata.get_public_key(self.cur), "pubkey123")
        self.assertEqual(metadata.get_private_key(self.cur), "privkey456")

        log_entry = get_last_log(self.cur).lower()
        self.assertIn("metadata keys", log_entry)