import os
import urllib.request
import json
import subprocess
from typing import List, Tuple

LOG_FILE = "telemetry.log"
OFFSET_FILE = "telemetry.offset"
DB_URL = "http://localhost:8000/sql"
NAMESPACE = "omega"
DATABASE = "fces"


def push_to_surrealdb(entries: List[Tuple[str, str, str]]) -> bool:
    if not entries:
        return True

    # Construct SurrealQL queries
    queries = []
    for entry in entries:
        level, event, detail = entry
        # Escape quotes for safety in SurrealQL
        level_esc = level.replace("'", "\\'")
        event_esc = event.replace("'", "\\'")
        detail_esc = detail.replace("'", "\\'")

        query = f"CREATE telemetry CONTENT {{ level: '{level_esc}', event: '{event_esc}', detail: '{detail_esc}', timestamp: time::now() }};"
        queries.append(query)

    prefix = f"DEFINE NAMESPACE {NAMESPACE};\nUSE NS {NAMESPACE};\nDEFINE DATABASE {DATABASE};\nUSE DB {DATABASE};\n"
    sql_script = prefix + "\n".join(queries)

    import base64

    auth_str = base64.b64encode(b"root:root").decode("utf-8")
    headers = {"Accept": "application/json", "Authorization": f"Basic {auth_str}"}

    req = urllib.request.Request(
        DB_URL, data=sql_script.encode("utf-8"), headers=headers, method="POST"
    )

    try:
        with urllib.request.urlopen(req, timeout=5) as response:
            res_data = json.loads(response.read().decode("utf-8"))
            # Filter query results: ignore "AlreadyExists" status ERR
            db_errors = []
            if isinstance(res_data, list):
                for r in res_data:
                    if r.get("status") == "ERR":
                        kind = r.get("kind")
                        if kind != "AlreadyExists":
                            db_errors.append(r)
            else:
                db_errors.append(res_data)

            if not db_errors:
                print(f"Successfully pushed {len(entries)} entries to SurrealDB.")
                return True
            else:
                print(f"SurrealDB query warning/error: {db_errors}")
                return False
    except Exception as e:
        print(f"Failed to connect/push to SurrealDB: {e}")
        return False


def push_to_mariadb(entries: List[Tuple[str, str, str]]) -> bool:
    if not entries:
        return True

    # Connection details
    host = os.getenv("SQL_HOST", "zky.de")
    port_str = os.getenv("SQL_PORT", "3306")
    try:
        port = int(port_str)
    except ValueError:
        port = 3306
    user = os.getenv("SQL_USER", "c1_kaggle")
    password = os.getenv("SQL_PASS", "!Dommke2026")
    db = os.getenv("SQL_DB", "c1_kaggle")

    try:
        import mysql.connector

        conn = mysql.connector.connect(
            host=host,
            port=port,
            user=user,
            password=password,
            database=db,
            connect_timeout=5,
        )
        cursor = conn.cursor()

        # Create table if not exists
        cursor.execute("""
            CREATE TABLE IF NOT EXISTS telemetry (
                id INT AUTO_INCREMENT PRIMARY KEY,
                level VARCHAR(50),
                event VARCHAR(255),
                detail TEXT,
                timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP
            )
        """)

        # Insert entries
        sql = "INSERT INTO telemetry (level, event, detail) VALUES (%s, %s, %s)"
        cursor.executemany(sql, entries)
        conn.commit()

        cursor.close()
        conn.close()
        print(f"Successfully pushed {len(entries)} entries to MariaDB.")
        return True
    except Exception as e:
        print(f"Failed to connect/push to MariaDB: {e}")
        return False


def push_to_git() -> None:
    try:
        # Check if there are changes in telemetry.log
        status = subprocess.run(
            ["git", "status", "--porcelain", LOG_FILE], capture_output=True, text=True
        )
        if status.stdout.strip():
            print("Committing and pushing telemetry.log to git.zky.de...")
            subprocess.run(["git", "add", LOG_FILE], check=True)
            subprocess.run(
                ["git", "commit", "-m", "chore: update telemetry log [skip ci]"],
                check=True,
            )
            subprocess.run(["git", "push", "origin", "main"], check=True)
            print("Successfully pushed telemetry.log to git.zky.de.")
        else:
            print("No changes in telemetry.log to push to git.")
    except Exception as e:
        print(f"Git push failed: {e}")


def main() -> None:
    if not os.path.exists(LOG_FILE):
        print(f"Log file {LOG_FILE} does not exist.")
        return

    # Read offset
    offset = 0
    if os.path.exists(OFFSET_FILE):
        try:
            with open(OFFSET_FILE, "r") as f:
                offset = int(f.read().strip())
        except Exception:
            offset = 0

    # Read new lines from log file
    new_entries: List[Tuple[str, str, str]] = []
    file_size = os.path.getsize(LOG_FILE)

    if file_size > offset:
        with open(LOG_FILE, "r", encoding="utf-8") as f:
            f.seek(offset)
            new_lines = f.readlines()

        for line in new_lines:
            line = line.strip()
            if not line:
                continue

            # Parse line format: [LEVEL] event | detail
            # or just [LEVEL] event
            try:
                if "] " in line:
                    level_part, rest = line.split("] ", 1)
                    level = level_part.replace("[", "").strip()
                    if " | " in rest:
                        event, detail = rest.split(" | ", 1)
                    else:
                        event = rest
                        detail = ""
                    new_entries.append((level, event, detail))
            except Exception as pe:
                print(f"Failed to parse line: {line} ({pe})")

        # Push to SurrealDB
        db_success = push_to_surrealdb(new_entries)
        # Push to MariaDB
        maria_success = push_to_mariadb(new_entries)

        if db_success or maria_success:
            # Update offset if either DB push succeeded
            with open(OFFSET_FILE, "w") as f:
                f.write(str(file_size))

    # Always try to push to Git if there are any updates
    push_to_git()


if __name__ == "__main__":
    main()