import discord
from discord.ext import commands
from discord import app_commands
import json
import os

MISC_DIR = os.path.normpath(os.path.join(os.path.dirname(__file__), "..", "misc"))
ROLES_JSON_PATH = os.path.join(MISC_DIR, "roles.json")
AUTHORIZED_USER_ID = 966338171958886420

# List of available roles
AVAILABLE_ROLES = [
    "Management",
    "Owner",
    "Overseer",
    "Manager",
    "Staff Manager",
    "Tester Manager",
    "Senior Moderator",
    "Moderator",
    "Senior Tester",
    "Verified Tester",
    "Helper",
    "Staff Team",
    "Administrator"
]

def load_roles():
    """Load roles from roles.json"""
    try:
        os.makedirs(MISC_DIR, exist_ok=True)
        if os.path.isfile(ROLES_JSON_PATH):
            with open(ROLES_JSON_PATH, "r", encoding="utf-8") as f:
                return json.load(f)
    except Exception as e:
        print(f"Error loading roles.json: {e}")
    return {}

def save_roles(roles_data):
    """Save roles to roles.json"""
    try:
        os.makedirs(MISC_DIR, exist_ok=True)
        with open(ROLES_JSON_PATH, "w", encoding="utf-8") as f:
            json.dump(roles_data, f, ensure_ascii=False, indent=2)
    except Exception as e:
        print(f"Error saving roles.json: {e}")

class Miscellaneous(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
        self.backup_service = None
        self._initialize_backup()
    
    def _initialize_backup(self):
        """Initialize backup service"""
        try:
            import config
            from google_drive_backup import GoogleDriveBackup
            
            oauth_credentials = os.path.join(
                os.path.dirname(os.path.dirname(__file__)),
                "oauth_credentials.json"
            )
            
            if os.path.exists(oauth_credentials) and hasattr(config, 'GOOGLE_DRIVE_BACKUP_FOLDER_ID'):
                self.backup_service = GoogleDriveBackup(
                    oauth_credentials,
                    config.GOOGLE_DRIVE_BACKUP_FOLDER_ID
                )
                print("[MISC] [OK] Backup service initialized")
            else:
                if not os.path.exists(oauth_credentials):
                    print("[MISC] [!] oauth_credentials.json not found - Google Drive backup disabled")
                elif not hasattr(config, 'GOOGLE_DRIVE_BACKUP_FOLDER_ID'):
                    print("[MISC] [!] GOOGLE_DRIVE_BACKUP_FOLDER_ID not in config.py")
                else:
                    print("[MISC] [!] Backup service not configured")
        except Exception as e:
            print(f"[MISC] [ERROR] Error initializing backup: {str(e)}")

    @app_commands.command(name="save", description="Manually backup all bot data to Google Drive (Forced Backup)")
    async def save_backup(self, interaction: discord.Interaction):
        """
        Create a forced backup of all bot data and code to Google Drive
        Only authorized users can execute this
        """
        print(f"[SAVE] Command started by {interaction.user.name} ({interaction.user.id})")
        
        # Check if user is authorized
        if interaction.user.id != AUTHORIZED_USER_ID:
            print(f"[SAVE] [!] Permission denied - {interaction.user.name} is not authorized")
            await interaction.response.send_message(
                "❌ You don't have permission to use this command.",
                ephemeral=True
            )
            return
        
        # Check if backup service is available
        if not self.backup_service:
            print(f"[SAVE] [ERROR] Backup service not initialized")
            await interaction.response.send_message(
                "❌ Backup service is not properly configured. Contact admin.",
                ephemeral=True
            )
            return
        
        try:
            # Defer response as backup may take time
            await interaction.response.defer()
            
            # Get or create backup-logs channel
            backup_logs_channel = await self._get_or_create_backup_logs_channel(interaction.guild)
            
            print(f"[SAVE] [BACKUP] Starting forced backup by {interaction.user.name}")
            
            # Perform backup
            result = self.backup_service.backup_bot_data(backup_type="forced")
            
            if result.get("success"):
                success_msg = f"✅ **FORCED BACKUP COMPLETED**\n\n📁 Folder: `{result['folder_name']}`\n⏰ Time: {result['timestamp']}\n👤 User: {interaction.user.mention}"
                print(f"[SAVE] [OK] Backup successful: {result['folder_name']}")
                
                # Send confirmation in Discord
                await interaction.followup.send(
                    success_msg,
                    ephemeral=True
                )
                
                # Log in backup-logs channel
                if backup_logs_channel:
                    embed = discord.Embed(
                        title="✅ Forced Backup Created",
                        description=f"**Folder:** `{result['folder_name']}`",
                        color=discord.Color.green(),
                        timestamp=discord.utils.utcnow()
                    )
                    embed.add_field(name="Triggered By", value=interaction.user.mention, inline=True)
                    embed.add_field(name="Type", value="Forced Backup", inline=True)
                    embed.set_footer(text="Backup System")
                    await backup_logs_channel.send(embed=embed)
            else:
                error_msg = f"❌ **BACKUP FAILED**\n\nError: {result.get('error', 'Unknown error')}"
                print(f"[SAVE] [ERROR] Backup failed: {result.get('error')}")
                
                await interaction.followup.send(
                    error_msg,
                    ephemeral=True
                )
                
                # Log error in backup-logs channel
                if backup_logs_channel:
                    embed = discord.Embed(
                        title="❌ Backup Failed",
                        description=f"**Error:** {result.get('error', 'Unknown error')}",
                        color=discord.Color.red(),
                        timestamp=discord.utils.utcnow()
                    )
                    embed.add_field(name="Triggered By", value=interaction.user.mention, inline=True)
                    embed.set_footer(text="Backup System")
                    await backup_logs_channel.send(embed=embed)
        
        except Exception as e:
            error_msg = f"[SAVE] ❌ Unexpected error: {str(e)}"
            print(error_msg)
            await interaction.followup.send(
                f"❌ Error: {str(e)}",
                ephemeral=True
            )
    
    async def _get_or_create_backup_logs_channel(self, guild: discord.Guild) -> discord.TextChannel:
        """Get or create backup-logs channel"""
        try:
            channel = discord.utils.get(guild.text_channels, name="backup-logs")
            
            if not channel:
                print("[SAVE] [DIR] Creating backup-logs channel...")
                channel = await guild.create_text_channel(
                    "backup-logs",
                    topic="🔄 Automated backup logs - View all backup operations here"
                )
                print("[SAVE] [OK] Created backup-logs channel")
            
            return channel
        except Exception as e:
            print(f"[SAVE] [ERROR] Error with backup-logs channel: {str(e)}")
            return None

    # Deprecated: Use /setuproles command instead (from queue_system.py)

    @app_commands.command(name="stop", description="Safely shut down the bot (Owner only)")
    async def stop_bot(self, interaction: discord.Interaction):
        """
        Safely turns off the bot.
        Only accessible by authorized user ID.
        """
        
        # Check if user is authorized
        if interaction.user.id != AUTHORIZED_USER_ID:
            await interaction.response.send_message(
                "❌ You don't have permission to use this command.",
                ephemeral=True
            )
            return
        
        await interaction.response.send_message(
            "🛑 Bot is shutting down safely...",
            ephemeral=True
        )
        
        print(f"Bot shutdown initiated by {interaction.user} ({interaction.user.id})")
        await self.bot.close()

async def setup(bot: commands.Bot):
    await bot.add_cog(Miscellaneous(bot))