apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "wordpress-nginx.fullname" . }}
  labels:
    {{- include "wordpress-nginx.labels" . | nindent 4 }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      {{- include "wordpress-nginx.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      labels:
        {{- include "wordpress-nginx.selectorLabels" . | nindent 8 }}
    spec:
      securityContext:
        fsGroup: 82
        fsGroupChangePolicy: "OnRootMismatch"
      initContainers:
        - name: wordpress-init
          image: "{{ .Values.image.wordpress.registry }}/{{ .Values.image.wordpress.repository }}:{{ .Values.image.wordpress.tag }}"
          imagePullPolicy: {{ .Values.image.wordpress.pullPolicy }}
          command: ["/bin/sh", "-c"]
          args:
            - |
              set -e
              echo "=== WordPress Initialization Started ==="
              
              echo "Copying WordPress to emptyDir..."
              cp -r /usr/src/wordpress/* /var/www/html/
              echo "WordPress files copied"
              
              if [ ! -d /var/www/html/wp-content/themes ]; then
                echo "Initializing wp-content in PVC..."
                cp -rp /usr/src/wordpress/wp-content/* /var/www/html/wp-content/
                echo "wp-content initialized"
              else
                echo "wp-content already exists, preserving user data"
              fi
              
              echo "Generating wp-config.php..."
              cat > /var/www/html/wp-config.php << 'EOF'
              <?php
              define('DB_NAME', getenv('WORDPRESS_DB_NAME'));
              define('DB_USER', getenv('WORDPRESS_DB_USER'));
              define('DB_PASSWORD', getenv('WORDPRESS_DB_PASSWORD'));
              define('DB_HOST', getenv('WORDPRESS_DB_HOST'));
              define('DB_CHARSET', 'utf8');
              define('DB_COLLATE', '');
              
              $table_prefix = getenv('WORDPRESS_TABLE_PREFIX') ?: 'wp_';
              
              define('AUTH_KEY',         getenv('WP_AUTH_KEY'));
              define('SECURE_AUTH_KEY',  getenv('WP_SECURE_AUTH_KEY'));
              define('LOGGED_IN_KEY',    getenv('WP_LOGGED_IN_KEY'));
              define('NONCE_KEY',        getenv('WP_NONCE_KEY'));
              define('AUTH_SALT',        getenv('WP_AUTH_SALT'));
              define('SECURE_AUTH_SALT', getenv('WP_SECURE_AUTH_SALT'));
              define('LOGGED_IN_SALT',   getenv('WP_LOGGED_IN_SALT'));
              define('NONCE_SALT',       getenv('WP_NONCE_SALT'));
              
              if ( defined( 'WP_CLI' ) ) {
                $_SERVER['HTTP_HOST'] = '127.0.0.1';
              }
              
              // HTTPS Detection under Proxy
              if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
                  $_SERVER['HTTPS'] = 'on';
              }
              
              // Add Trusted Proxy (WordPress 5.9+)
              if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
                  $forwarded_ips = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
                  $_SERVER['REMOTE_ADDR'] = trim($forwarded_ips[0]);
              }

              $protocol = 'http';
              if ( isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https' ) {
                $protocol = 'https';
              } elseif ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ) {
                $protocol = 'https';
              }
              
              define( 'WP_HOME', $protocol . '://' . $_SERVER['HTTP_HOST'] . '/' );
              define( 'WP_SITEURL', $protocol . '://' . $_SERVER['HTTP_HOST'] . '/' );
              
              $multisite_enabled = getenv('WORDPRESS_MULTISITE_ENABLED');
              if ( $multisite_enabled === 'true' ) {
                define('WP_ALLOW_MULTISITE', true);
                define('MULTISITE', true);
                define('SUBDOMAIN_INSTALL', getenv('WORDPRESS_MULTISITE_SUBDOMAINS') === 'true');
                define('DOMAIN_CURRENT_SITE', getenv('WORDPRESS_MULTISITE_DOMAIN'));
                define('PATH_CURRENT_SITE', '/');
                define('SITE_ID_CURRENT_SITE', 1);
                define('BLOG_ID_CURRENT_SITE', 1);
              }
              
              define( 'WP_AUTO_UPDATE_CORE', false );
              define('WP_DEBUG', false);
              define('WP_DEBUG_LOG', false);
              define('WP_DEBUG_DISPLAY', false);
              define('FS_METHOD', 'direct');
              define('WP_MEMORY_LIMIT', '256M');
              define('WP_MAX_MEMORY_LIMIT', '512M');
              
              if ( ! defined( 'ABSPATH' ) ) {
                define( 'ABSPATH', __DIR__ . '/' );
              }
              
              require_once ABSPATH . 'wp-settings.php';
              EOF
              
              echo "wp-config.php generated"
              
              echo "Setting up WP-CLI..."
              curl -o /tmp/wp-cli.phar https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar 2>/dev/null || true
              chmod +x /tmp/wp-cli.phar
              
              echo "Waiting for database connection..."
              max_attempts=30
              attempt=0
              while [ $attempt -lt $max_attempts ]; do
                if php -r "\$link = @mysqli_connect('${WORDPRESS_DB_HOST}', '${WORDPRESS_DB_USER}', '${WORDPRESS_DB_PASSWORD}', '${WORDPRESS_DB_NAME}'); if (\$link) { echo 'Connected'; mysqli_close(\$link); exit(0); } exit(1);" 2>/dev/null; then
                  echo "Database connection successful"
                  break
                fi
                attempt=$((attempt + 1))
                echo "Waiting for database... ($attempt/$max_attempts)"
                sleep 2
              done
              
              if [ $attempt -eq $max_attempts ]; then
                echo "ERROR: Database connection timeout"
                exit 1
              fi
              
              echo "Checking if WordPress is already installed..."
              TABLES=$(/tmp/wp-cli.phar --path=/var/www/html db query "SHOW TABLES LIKE '${WORDPRESS_TABLE_PREFIX}options';" 2>/dev/null || echo "")
              
              if [ -z "$TABLES" ]; then
                echo "=== Starting WordPress Installation ==="
                
                if [ -z "$WP_ADMIN_PASSWORD" ]; then
                  WP_ADMIN_PASSWORD=$(tr -dc 'A-Za-z0-9!@#$%^&*' < /dev/urandom | head -c 16)
                  echo "Generated admin password: $WP_ADMIN_PASSWORD"
                  echo "$WP_ADMIN_PASSWORD" > /var/www/html/wp-content/.initial-admin-password
                fi
                
                INSTALL_URL="http://127.0.0.1"
                
                echo "Installing WordPress..."
                /tmp/wp-cli.phar --path=/var/www/html core install \
                  --url="$INSTALL_URL" \
                  --title="$WP_SITE_TITLE" \
                  --admin_user="$WP_ADMIN_USER" \
                  --admin_password="$WP_ADMIN_PASSWORD" \
                  --admin_email="$WP_ADMIN_EMAIL" \
                  --skip-email
                
                echo "=== WordPress Installation Completed ==="
                echo "Admin User: $WP_ADMIN_USER"
                if [ -f /var/www/html/wp-content/.initial-admin-password ]; then
                  echo "Admin Password: $(cat /var/www/html/wp-content/.initial-admin-password)"
                fi
              else
                echo "WordPress is already installed, skipping installation"
                if [ -f /tmp/wp-cli.phar ]; then
                  echo "Running WordPress core update check..."
                  /tmp/wp-cli.phar --path=/var/www/html core update-db 2>/dev/null || echo "No database update needed"
                fi
              fi
              
              echo "=== WordPress Initialization Completed ==="
          volumeMounts:
            - name: wordpress-data
              mountPath: /var/www/html
            - name: wordpress-persistent
              mountPath: /var/www/html/wp-content
          env:
            - name: WORDPRESS_DB_HOST
              value: {{ .Values.wordpress.dbHost | quote }}
            - name: WORDPRESS_DB_NAME
              value: {{ .Values.wordpress.dbName | quote }}
            - name: WORDPRESS_DB_USER
              value: {{ .Values.wordpress.dbUser | quote }}
            - name: WORDPRESS_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: db-password
            - name: WORDPRESS_TABLE_PREFIX
              value: {{ .Values.wordpress.tablePrefix | quote }}
            - name: WP_SITE_TITLE
              value: {{ .Values.wordpress.siteTitle | quote }}
            - name: WP_ADMIN_USER
              value: {{ .Values.wordpress.adminUser | quote }}
            - name: WP_ADMIN_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: admin-password
            - name: WP_ADMIN_EMAIL
              value: {{ .Values.wordpress.adminEmail | quote }}
            - name: WP_AUTH_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: auth-key
            - name: WP_SECURE_AUTH_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: secure-auth-key
            - name: WP_LOGGED_IN_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: logged-in-key
            - name: WP_NONCE_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: nonce-key
            - name: WP_AUTH_SALT
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: auth-salt
            - name: WP_SECURE_AUTH_SALT
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: secure-auth-salt
            - name: WP_LOGGED_IN_SALT
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: logged-in-salt
            - name: WP_NONCE_SALT
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: nonce-salt
            - name: WORDPRESS_MULTISITE_ENABLED
              value: {{ .Values.wordpress.multisite.enabled | quote }}
            - name: WORDPRESS_MULTISITE_SUBDOMAINS
              value: {{ .Values.wordpress.multisite.subdomains | quote }}
            - name: WORDPRESS_MULTISITE_DOMAIN
              value: {{ .Values.wordpress.multisite.domain | quote }}
          securityContext:
            runAsUser: 82
            runAsGroup: 82
      containers:
        - name: nginx
          image: "{{ .Values.image.nginx.registry }}/{{ .Values.image.nginx.repository }}:{{ .Values.image.nginx.tag }}"
          imagePullPolicy: {{ .Values.image.nginx.pullPolicy }}
          ports:
            - name: http
              containerPort: 80
              protocol: TCP
          volumeMounts:
            - name: wordpress-data
              mountPath: /var/www/html
            - name: wordpress-persistent
              mountPath: /var/www/html/wp-content
            - name: nginx-config
              mountPath: /etc/nginx/conf.d/default.conf
              subPath: default.conf
            {{- if .Values.wordpress.adsTxt.enabled }}
            - name: adstxt-config
              mountPath: /var/www/html/ads.txt
              subPath: ads.txt
            {{- end }}
          {{- if .Values.healthCheck.enabled }}
          livenessProbe:
            {{- toYaml .Values.healthCheck.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.healthCheck.readinessProbe | nindent 12 }}
          {{- end }}
          resources:
            {{- toYaml .Values.resources.nginx | nindent 12 }}
        - name: wordpress
          image: "{{ .Values.image.wordpress.registry }}/{{ .Values.image.wordpress.repository }}:{{ .Values.image.wordpress.tag }}"
          imagePullPolicy: {{ .Values.image.wordpress.pullPolicy }}
          command: ["php-fpm"]
          securityContext:
            runAsUser: 82
            runAsGroup: 82
          env:
            - name: WORDPRESS_DB_HOST
              value: {{ .Values.wordpress.dbHost | quote }}
            - name: WORDPRESS_DB_NAME
              value: {{ .Values.wordpress.dbName | quote }}
            - name: WORDPRESS_DB_USER
              value: {{ .Values.wordpress.dbUser | quote }}
            - name: WORDPRESS_DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "wordpress-nginx.fullname" . }}-secret
                  key: db-password
            - name: WORDPRESS_TABLE_PREFIX
              value: {{ .Values.wordpress.tablePrefix | quote }}
          volumeMounts:
            - name: wordpress-data
              mountPath: /var/www/html
            - name: wordpress-persistent
              mountPath: /var/www/html/wp-content
          resources:
            {{- toYaml .Values.resources.wordpress | nindent 12 }}
      volumes:
        - name: wordpress-data
          emptyDir: {}
        - name: wordpress-persistent
          {{- if .Values.persistence.enabled }}
          persistentVolumeClaim:
            claimName: {{ include "wordpress-nginx.fullname" . }}-pvc
          {{- else }}
          emptyDir: {}
          {{- end }}
        - name: nginx-config
          configMap:
            name: {{ include "wordpress-nginx.fullname" . }}-nginx-config
        {{- if .Values.wordpress.adsTxt.enabled }}
        - name: adstxt-config
          configMap:
            name: {{ include "wordpress-nginx.fullname" . }}-adstxt
        {{- end }}
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}