#!/bin/bash

# Deploy Zoho CRM integration fixes to staging server
# This script deploys only the Zoho-related files to fix the CRM integration

# Load environment variables
source "$(dirname "$0")/../.env"

# Check if environment variables are loaded
if [ -z "$UPSKILL_STAGING_IP" ] || [ -z "$UPSKILL_STAGING_SSH_USER" ]; then
    echo "Error: Missing required environment variables"
    echo "Please ensure .env file exists and contains UPSKILL_STAGING_IP and UPSKILL_STAGING_SSH_USER"
    exit 1
fi

# Set variables
REMOTE_HOST="${UPSKILL_STAGING_IP}"
REMOTE_USER="${UPSKILL_STAGING_SSH_USER}"
REMOTE_PASS="${UPSKILL_STAGING_PASS}"
REMOTE_PATH="/home/974670.cloudwaysapps.com/uberrxmprk/public_html"
PLUGIN_PATH="${REMOTE_PATH}/wp-content/plugins/hvac-community-events"

# Colors for output
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${YELLOW}=== Deploying Zoho CRM Integration Fixes ===${NC}"
echo -e "${YELLOW}Target: ${REMOTE_USER}@${REMOTE_HOST}:${PLUGIN_PATH}${NC}"

# Create backup of current Zoho files
echo -e "${YELLOW}Creating backup of current Zoho files...${NC}"
BACKUP_CMD="mkdir -p \"${PLUGIN_PATH}/includes/zoho-backup\" && 
cp -r \"${PLUGIN_PATH}/includes/zoho\" \"${PLUGIN_PATH}/includes/zoho-backup/zoho-$(date +%Y%m%d%H%M%S)\" &&
cp -r \"${PLUGIN_PATH}/includes/admin/class-zoho-admin.php\" \"${PLUGIN_PATH}/includes/zoho-backup/class-zoho-admin-$(date +%Y%m%d%H%M%S).php\" &&
cp -r \"${PLUGIN_PATH}/assets/js/zoho-admin.js\" \"${PLUGIN_PATH}/includes/zoho-backup/zoho-admin-$(date +%Y%m%d%H%M%S).js\" &&
cp -r \"${PLUGIN_PATH}/assets/css/zoho-admin.css\" \"${PLUGIN_PATH}/includes/zoho-backup/zoho-admin-$(date +%Y%m%d%H%M%S).css\""

sshpass -p "$REMOTE_PASS" ssh -o StrictHostKeyChecking=no "$REMOTE_USER@$REMOTE_HOST" "$BACKUP_CMD"

if [ $? -ne 0 ]; then
    echo -e "${RED}Error: Failed to create backup. Aborting.${NC}"
    exit 1
fi
echo -e "${GREEN}Backup created successfully.${NC}"

# Deploy Zoho integration files
echo -e "${YELLOW}Deploying Zoho CRM integration files...${NC}"

# Create temporary directory for the files to deploy
TMP_DIR=$(mktemp -d)
mkdir -p "${TMP_DIR}/zoho"
mkdir -p "${TMP_DIR}/admin"
mkdir -p "${TMP_DIR}/assets/js"
mkdir -p "${TMP_DIR}/assets/css"

# Copy the files we want to deploy to the temporary directory
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/includes/zoho/check-permissions.php" "${TMP_DIR}/zoho/"
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/includes/zoho/diagnostics.php" "${TMP_DIR}/zoho/"
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/includes/zoho/class-zoho-crm-auth.php" "${TMP_DIR}/zoho/"
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/includes/admin/class-zoho-admin.php" "${TMP_DIR}/admin/"
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/assets/js/zoho-admin.js" "${TMP_DIR}/assets/js/"
cp "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/assets/css/zoho-admin.css" "${TMP_DIR}/assets/css/"
cp "$(dirname "$0")/check-zoho-env.php" "${TMP_DIR}/"

# Create deployment script to modify zoho-config.php on the server
cat > "${TMP_DIR}/patch-zoho-config.php" << 'EOF'
<?php
/**
 * Zoho Config Patcher
 * 
 * This script updates the zoho-config.php file with the .env loading functionality
 * without overwriting the existing credentials.
 */

// Define the file to patch
$config_file = dirname(__FILE__) . '/../includes/zoho/zoho-config.php';

if (!file_exists($config_file)) {
    echo "Error: zoho-config.php not found at: " . $config_file . "\n";
    exit(1);
}

// Read the current file
$content = file_get_contents($config_file);

// Create backup
$backup_file = dirname(__FILE__) . '/../includes/zoho-backup/zoho-config-' . date('YmdHis') . '.php';
file_put_contents($backup_file, $content);
echo "Backup created at: " . $backup_file . "\n";

// Extract the current credentials
preg_match('/define\(\'ZOHO_CLIENT_ID\',\s*(.*?)\);/s', $content, $client_id_matches);
preg_match('/define\(\'ZOHO_CLIENT_SECRET\',\s*(.*?)\);/s', $content, $client_secret_matches);
preg_match('/define\(\'ZOHO_REFRESH_TOKEN\',\s*(.*?)\);/s', $content, $refresh_token_matches);

$client_id = isset($client_id_matches[1]) ? trim($client_id_matches[1]) : "getenv('ZOHO_CLIENT_ID') ?: ''";
$client_secret = isset($client_secret_matches[1]) ? trim($client_secret_matches[1]) : "getenv('ZOHO_CLIENT_SECRET') ?: ''";
$refresh_token = isset($refresh_token_matches[1]) ? trim($refresh_token_matches[1]) : "getenv('ZOHO_REFRESH_TOKEN') ?: ''";

// Create new content with .env loader
$new_content = <<<EOT
<?php
/**
 * Zoho CRM Configuration
 * 
 * This file contains the necessary constants for Zoho CRM integration.
 * Modified with enhanced debugging and log file path.
 */

// Load environment variables from .env file
function load_env_from_dotenv() {
    // Look for .env file in plugin directory and up to 3 levels up
    \$search_dirs = [
        dirname(dirname(dirname(__FILE__))), // Plugin directory
        dirname(dirname(dirname(dirname(__FILE__)))), // wp-content/plugins
        dirname(dirname(dirname(dirname(dirname(__FILE__))))), // wp-content
        dirname(dirname(dirname(dirname(dirname(dirname(__FILE__)))))), // WordPress root
    ];
    
    foreach (\$search_dirs as \$dir) {
        \$env_file = \$dir . '/.env';
        if (file_exists(\$env_file)) {
            \$lines = file(\$env_file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
            foreach (\$lines as \$line) {
                if (strpos(\$line, '=') !== false && strpos(\$line, '#') !== 0) {
                    list(\$name, \$value) = explode('=', \$line, 2);
                    \$name = trim(\$name);
                    \$value = trim(\$value);
                    
                    // Remove quotes if present
                    if (strpos(\$value, '"') === 0 && strrpos(\$value, '"') === strlen(\$value) - 1) {
                        \$value = substr(\$value, 1, -1);
                    } elseif (strpos(\$value, "'") === 0 && strrpos(\$value, "'") === strlen(\$value) - 1) {
                        \$value = substr(\$value, 1, -1);
                    }
                    
                    putenv("\$name=\$value");
                    \$_ENV[\$name] = \$value;
                }
            }
            return true;
        }
    }
    return false;
}

// Try to load environment variables
\$env_loaded = load_env_from_dotenv();

// Log directory setup
\$log_dir = dirname(dirname(__FILE__)) . '/logs';
if (!file_exists(\$log_dir)) {
    mkdir(\$log_dir, 0755, true);
}

// OAuth Client Credentials
// IMPORTANT: You need to fill these values with your Zoho OAuth credentials
define('ZOHO_CLIENT_ID', $client_id);
define('ZOHO_CLIENT_SECRET', $client_secret);
define('ZOHO_REDIRECT_URI', 'https://wordpress-974670-5399585.cloudwaysapps.com/oauth/callback');

// API Endpoints
define('ZOHO_ACCOUNTS_URL', 'https://accounts.zoho.com');
define('ZOHO_API_BASE_URL', 'https://www.zohoapis.com/crm/v2');

// Scopes
define('ZOHO_SCOPES', 'ZohoCRM.settings.all,ZohoCRM.modules.all,ZohoCRM.users.all,ZohoCRM.org.all');

// Optional - Refresh Token (if already obtained)
define('ZOHO_REFRESH_TOKEN', $refresh_token);

// Debug Settings - Enhanced for better logging
define('ZOHO_DEBUG_MODE', true);
define('ZOHO_LOG_FILE', \$log_dir . '/zoho-debug.log');

// Add diagnostic information to log
if (defined('ZOHO_DEBUG_MODE') && ZOHO_DEBUG_MODE) {
    \$timestamp = date('Y-m-d H:i:s');
    \$debug_info = "[\$timestamp] Zoho CRM Configuration loaded\\n";
    \$debug_info .= "[\$timestamp] .env file loaded: " . (\$env_loaded ? 'Yes' : 'No') . "\\n";
    \$debug_info .= "[\$timestamp] Client ID exists: " . (!empty(ZOHO_CLIENT_ID) ? 'Yes' : 'No') . "\\n";
    \$debug_info .= "[\$timestamp] Client ID value: " . (ZOHO_CLIENT_ID ? substr(ZOHO_CLIENT_ID, 0, 5) . '...' : 'EMPTY') . "\\n";
    \$debug_info .= "[\$timestamp] Client Secret exists: " . (!empty(ZOHO_CLIENT_SECRET) ? 'Yes' : 'No') . "\\n";
    \$debug_info .= "[\$timestamp] Client Secret value: " . (ZOHO_CLIENT_SECRET ? substr(ZOHO_CLIENT_SECRET, 0, 5) . '...' : 'EMPTY') . "\\n";
    \$debug_info .= "[\$timestamp] Refresh Token exists: " . (!empty(ZOHO_REFRESH_TOKEN) ? 'Yes' : 'No') . "\\n";
    \$debug_info .= "[\$timestamp] Refresh Token value: " . (ZOHO_REFRESH_TOKEN ? substr(ZOHO_REFRESH_TOKEN, 0, 5) . '...' : 'EMPTY') . "\\n";
    \$debug_info .= "[\$timestamp] Log file path: " . ZOHO_LOG_FILE . "\\n";
    
    if (function_exists('get_site_url')) {
        \$debug_info .= "[\$timestamp] WordPress site URL: " . get_site_url() . "\\n";
        \$debug_info .= "[\$timestamp] Staging mode: " . (strpos(get_site_url(), 'upskillhvac.com') === false ? 'Yes' : 'No') . "\\n";
    } else {
        \$debug_info .= "[\$timestamp] WordPress functions not available\\n";
    }
    
    // Check for environment variables directly
    \$debug_info .= "[\$timestamp] Environment variables:\\n";
    \$debug_info .= "[\$timestamp]   - _ENV['ZOHO_CLIENT_ID']: " . (isset(\$_ENV['ZOHO_CLIENT_ID']) ? 'Set' : 'Not set') . "\\n";
    \$debug_info .= "[\$timestamp]   - _ENV['ZOHO_CLIENT_SECRET']: " . (isset(\$_ENV['ZOHO_CLIENT_SECRET']) ? 'Set' : 'Not set') . "\\n";
    \$debug_info .= "[\$timestamp]   - _ENV['ZOHO_REFRESH_TOKEN']: " . (isset(\$_ENV['ZOHO_REFRESH_TOKEN']) ? 'Set' : 'Not set') . "\\n";
    
    // Log configuration details
    error_log(\$debug_info, 3, ZOHO_LOG_FILE);
}
EOT;

// Write the updated file
file_put_contents($config_file, $new_content);
echo "Updated zoho-config.php successfully.\n";

// Update wp-config.php to enable diagnostics
$wp_config_file = dirname(__FILE__) . '/../wp-config.php';
if (file_exists($wp_config_file)) {
    $wp_config = file_get_contents($wp_config_file);
    
    // Check if diagnostic flag already exists
    if (strpos($wp_config, 'ZOHO_DIAGNOSTICS_ENABLED') === false) {
        // Find the line where custom values should be added
        $pattern = "/\/\* Add any custom values between this line and the \"stop editing\" line\. \*\//";
        $replacement = "/* Add any custom values between this line and the \"stop editing\" line. */\n\n/* Enable Zoho CRM Diagnostics */\ndefine('ZOHO_DIAGNOSTICS_ENABLED', true);";
        
        $wp_config = preg_replace($pattern, $replacement, $wp_config);
        
        // Create backup
        $wp_backup = dirname(__FILE__) . '/../wp-config-' . date('YmdHis') . '.php.bak';
        file_put_contents($wp_backup, file_get_contents($wp_config_file));
        
        // Write updated config
        file_put_contents($wp_config_file, $wp_config);
        echo "Updated wp-config.php to enable Zoho diagnostics.\n";
    } else {
        echo "ZOHO_DIAGNOSTICS_ENABLED already present in wp-config.php.\n";
    }
} else {
    echo "Warning: wp-config.php not found at expected location.\n";
}

// Create logs directory if it doesn't exist
$logs_dir = dirname(__FILE__) . '/../wp-content/plugins/hvac-community-events/includes/logs';
if (!file_exists($logs_dir)) {
    mkdir($logs_dir, 0755, true);
    echo "Created logs directory: " . $logs_dir . "\n";
}

echo "Patching completed successfully.\n";
EOF

# Create logs directory locally for rsync
mkdir -p "$(dirname "$0")/../wordpress/wp-content/plugins/hvac-community-events/includes/logs"

# Create run script
cat > "${TMP_DIR}/run-deploy.sh" << 'EOF'
#!/bin/bash
# Copy files to their correct locations
cp zoho/* /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/zoho/
cp admin/* /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/admin/
cp assets/js/* /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/assets/js/
cp assets/css/* /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/assets/css/
cp check-zoho-env.php /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/

# Run the config patcher
php patch-zoho-config.php

# Set permissions
chmod 755 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/zoho/check-permissions.php
chmod 755 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/zoho/diagnostics.php
chmod 644 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/zoho/class-zoho-crm-auth.php
chmod 644 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/includes/admin/class-zoho-admin.php
chmod 644 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/assets/js/zoho-admin.js
chmod 644 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/assets/css/zoho-admin.css
chmod 755 /home/974670.cloudwaysapps.com/uberrxmprk/public_html/wp-content/plugins/hvac-community-events/check-zoho-env.php

# Clear cache
wp cache flush --path=/home/974670.cloudwaysapps.com/uberrxmprk/public_html

echo "Deployment completed successfully!"
EOF

chmod +x "${TMP_DIR}/run-deploy.sh"

# Upload the files
echo -e "${YELLOW}Uploading files to staging server...${NC}"
sshpass -p "$REMOTE_PASS" scp -r -o StrictHostKeyChecking=no "${TMP_DIR}/"* "$REMOTE_USER@$REMOTE_HOST:~/"

if [ $? -ne 0 ]; then
    echo -e "${RED}Error: Failed to upload files. Aborting.${NC}"
    rm -rf "${TMP_DIR}"
    exit 1
fi

# Execute the deployment script on the server
echo -e "${YELLOW}Executing deployment script on server...${NC}"
sshpass -p "$REMOTE_PASS" ssh -o StrictHostKeyChecking=no "$REMOTE_USER@$REMOTE_HOST" "chmod +x ~/run-deploy.sh && ~/run-deploy.sh"

if [ $? -ne 0 ]; then
    echo -e "${RED}Error: Deployment script failed. Check server logs for details.${NC}"
    rm -rf "${TMP_DIR}"
    exit 1
fi

# Clean up
rm -rf "${TMP_DIR}"

echo -e "${GREEN}=== Zoho CRM integration fixes deployed successfully! ===${NC}"
echo -e "${YELLOW}You can now test the connection in the WordPress admin panel.${NC}"
echo -e "${YELLOW}If issues persist, check the logs at: ${PLUGIN_PATH}/includes/logs/zoho-debug.log${NC}"
echo -e "${YELLOW}Or run the diagnostic tool at: ${REMOTE_PATH}/wp-content/plugins/hvac-community-events/includes/zoho/diagnostics.php?run_diagnostics=true${NC}"

exit 0