#!/usr/bin/env python3
import os
import requests
import sqlite3
import subprocess

CHANNEL_NAME = 'teampgp'  # Replace with the streamer's username

def download_clips():
    undownload_items = get_undownloaded_records()

    print("Download Clips...")

    # Updated unpack loop to include clip_by
    for record_id, record_date, title, gamename, clip_by, downloaded in undownload_items:
        print(f"Slug: {record_id} | Date: {record_date} | Game: {gamename} | By: {clip_by} | Title: {title}")
        
        # Ensure output directory exists before running CLI tools
        os.makedirs(f"save/clips/{record_id}", exist_ok=True)
        
        # Uses the 'clipdownload' command
        output = run_linux_command(f"TwitchDownloaderCLI clipdownload --id {record_id} -o save/clips/{record_id}/{record_id}.mp4")
        
        if output["success"] is True:
            print(f"Slug: {record_id} | Date: {record_date} | Game: {gamename} | By: {clip_by} | Title: {title} | was successful")
            mark_as_downloaded(record_id)
        else:
            print(f"Slug: {record_id} | Date: {record_date} | Game: {gamename} | By: {clip_by} | Title: {title} | was Failed")
            if not output["success"]: print(f"-> Clip Download Error: {output['stderr']}")

def run_linux_command(command: str):
    """Executes a Linux command, waits for completion, and returns output."""
    try:
        result = subprocess.run(
            command, shell=True, check=True, capture_output=True, text=True
        )
        return {"success": True, "stdout": result.stdout, "stderr": result.stderr}
    except subprocess.CalledProcessError as e:
        return {"success": False, "stdout": e.stdout, "stderr": e.stderr}

def mark_as_downloaded(record_id: str):
    """Updates the downloaded status to True (1) for a specific clip slug."""
    conn = sqlite3.connect("database.db")
    cursor = conn.cursor()
    cursor.execute(
        "UPDATE clips SET downloaded = 1 WHERE id = ?",
        (record_id,)
    )
    conn.commit()
    conn.close()

def get_undownloaded_records():
    """Retrieves all rows where downloaded status is False (0)."""
    conn = sqlite3.connect("database.db")
    cursor = conn.cursor()
    # Added clip_by to the SELECT fields
    cursor.execute(
        "SELECT id, date, title, gamename, clip_by, downloaded, uploaded FROM clips WHERE downloaded = 0"
    )
    records = cursor.fetchall()
    conn.close()
    return records

def insert_record(record_id: str, record_date: str, title: str, gamename: str, clip_by: str):
    """Inserts a clip record including its text slug string and creator username."""
    conn = sqlite3.connect("database.db")
    cursor = conn.cursor()

    # Added clip_by TEXT NOT NULL field to table definition
    cursor.execute(
        """
        CREATE TABLE IF NOT EXISTS clips (
            id TEXT PRIMARY KEY,
            date TEXT NOT NULL,
            title TEXT NOT NULL,
            gamename TEXT NOT NULL,
            clip_by TEXT NOT NULL,
            downloaded INTEGER NOT NULL,
            uploaded INTEGER NOT NULL
        )
    """
    )

    # Handled database migration gracefully if running script on an older DB missing the column
    try:
        cursor.execute(
            "INSERT OR IGNORE INTO clips (id, date, title, gamename, clip_by, downloaded, uploaded) VALUES (?, ?, ?, ?, ?, ?, ?)",
            (str(record_id), str(record_date), title, gamename, clip_by, 0, 0),
        )
    except sqlite3.OperationalError as e:
        if "has no column named clip_by" in str(e):
            print("Upgrading database schema to support creator names...")
            cursor.execute("ALTER TABLE clips ADD COLUMN clip_by TEXT DEFAULT 'Unknown'")
            cursor.execute(
                "INSERT OR IGNORE INTO clips (id, date, title, gamename, clip_by, downloaded, uploaded) VALUES (?, ?, ?, ?, ?, ?, ?)",
                (str(record_id), str(record_date), title, gamename, clip_by, 0, 0),
            )
        else:
            raise e

    conn.commit()
    conn.close()

def get_clip_slugs(channel_name):
    session = requests.Session()
    url = "https://twitch.tv"
    
    session.headers = {
        "Client-ID": "kimne78kx3ncx6brgo4mv6wki5h1ko",
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
        "Content-Type": "text/plain"
    }
    
    # Query updated to fetch the curator's login (the user who clipped it)
    query_string = """
    query GetChannelClips($login: String!, $limit: Int!) {
        user(login: $login) {
            clips(first: $limit, criteria: { period: ALL_TIME, sort: VIEWS_DESC }) {
                edges {
                    node {
                        slug
                        title
                        createdAt
                        game {
                            displayName
                        }
                        curator {
                            login
                        }
                    }
                }
            }
        }
    }
    """

    payload = [{
        "operationName": "GetChannelClips",
        "query": query_string,
        "variables": {
            "login": channel_name.lower(),
            "limit": 30
        }
    }]
    
    try:
        req = requests.Request('POST', url, json=payload)
        prepped = session.prepare_request(req)
        response = session.send(prepped)
        response.raise_for_status()
        
        data = response.json()
        result = data[0] if isinstance(data, list) else data
        
        if "errors" in result:
            print(f"Twitch GraphQL Error: {result['errors']}")
            return []
            
        user_data = result['data']['user']
        if not user_data:
            print(f"Channel '{channel_name}' not found.")
            return []
            
        edges = user_data['clips']['edges']
        clip_slugs = []
        
        print(f"--- Top Clips for {channel_name} ---")
        for edge in edges:
            node = edge['node']
            game_info = node.get('game')
            game_name = game_info.get('displayName') if game_info else "Unknown/No Category"
            
            # Safe extraction in case the curator account was deleted/missing
            curator_info = node.get('curator')
            clip_by = curator_info.get('login') if curator_info else "Unknown Creator"
            
            print(f"Slug: {node['slug']} | Date: {node['createdAt']} | Game: {game_name} | By: {clip_by} | Title: {node['title']}")
            
            # Passing clip_by to database writer block
            insert_record(node['slug'], node['createdAt'], node['title'], game_name, clip_by)
            clip_slugs.append(node['slug'])
            
        return clip_slugs

    except Exception as e:
        print(f"An unexpected error occurred: {e}")
        return []

if __name__ == "__main__":
    get_clip_slugs(CHANNEL_NAME)
    download_clips()