#!/bin/bash

set -eu

echo "=> Setting up mautrix-whatsapp bridge"

# Create necessary directories
mkdir -p /app/data
mkdir -p /app/data/logs

# For Cloudron, we run as the cloudron user
UID=$(id -u cloudron)
GID=$(id -g cloudron)

# Set ownership early to avoid permission issues
chown -R cloudron:cloudron /app/data

# Configuration file paths
CONFIG_PATH="/app/data/config.yaml"
REGISTRATION_PATH="/app/data/registration.yaml"
BACKUP_PATH="/app/data/config.yaml.bak"

# Create example config from built-in template
if [ ! -f "$CONFIG_PATH" ]; then
    echo "=> Generating example configuration"
    /usr/local/bin/gosu cloudron:cloudron /app/pkg/mautrix-whatsapp -g -c "$CONFIG_PATH" -r "$REGISTRATION_PATH"
    
    # Configure for Cloudron environment
    if [ -n "${CLOUDRON_POSTGRESQL_URL:-}" ]; then
        echo "=> Configuring PostgreSQL database"
        yq eval ".database = \"$CLOUDRON_POSTGRESQL_URL\"" -i "$CONFIG_PATH"
    fi
    
    if [ -n "${CLOUDRON_APP_DOMAIN:-}" ]; then
        echo "=> Configuring homeserver and appservice settings"
        BASE_DOMAIN=$(echo "$CLOUDRON_APP_DOMAIN" | cut -d. -f2-)
        
        # Update homeserver configuration
        yq eval ".homeserver.address = \"https://matrix.$BASE_DOMAIN\"" -i "$CONFIG_PATH"
        yq eval ".homeserver.domain = \"$BASE_DOMAIN\"" -i "$CONFIG_PATH"
        
        # Update appservice configuration
        yq eval ".appservice.address = \"https://$CLOUDRON_APP_DOMAIN\"" -i "$CONFIG_PATH"
        yq eval ".appservice.hostname = \"0.0.0.0\"" -i "$CONFIG_PATH"
        yq eval ".appservice.port = 29318" -i "$CONFIG_PATH"
    fi
    
    # Set log file path
    yq eval ".logging.handlers.file.filename = \"/app/data/logs/mautrix-whatsapp.log\"" -i "$CONFIG_PATH"
    
    chown cloudron:cloudron "$CONFIG_PATH" "$REGISTRATION_PATH"
    
    echo "=> Initial configuration complete"
    echo "=> IMPORTANT: Please review $CONFIG_PATH and configure your Matrix homeserver settings"
    echo "=> You will need to:"
    echo "   1. Copy $REGISTRATION_PATH to your Matrix homeserver"
    echo "   2. Update your homeserver configuration to include the registration file"
    echo "   3. Restart your Matrix homeserver"
    echo "   4. Restart this bridge app"
    echo "   5. Authenticate with WhatsApp using QR code scanning"
else
    echo "=> Using existing configuration"
fi

# Final permission fix before starting
chown -R cloudron:cloudron /app/data

# Create a health check endpoint (run in background)
mkdir -p /run/health
echo '#!/bin/bash
echo "HTTP/1.1 200 OK"
echo "Content-Type: text/plain"
echo ""
echo "OK"' > /run/health/server.sh
chmod +x /run/health/server.sh
(cd /run/health && nohup nc -l -p 29318 -e ./server.sh > /dev/null 2>&1) &

# Start the bridge
echo "=> Starting mautrix-whatsapp bridge"
exec /usr/local/bin/gosu cloudron:cloudron /app/pkg/mautrix-whatsapp -c "$CONFIG_PATH"