#!/bin/bash
# Arrs Configuration Backup Script
# Generated by Ansible - Do not edit manually

set -euo pipefail

# Configuration
BACKUP_DIR="{{ backup_dir }}"
TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
BACKUP_NAME="arrs_backup_${TIMESTAMP}"
BACKUP_PATH="${BACKUP_DIR}/${BACKUP_NAME}"
LOG_FILE="{{ docker_root }}/logs/backup.log"

# Logging function
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
}

# Create backup directory
mkdir -p "$BACKUP_PATH"

log "Starting Arrs backup: $BACKUP_NAME"

# Stop services for consistent backup
log "Stopping Arrs services..."
cd {{ docker_compose_dir }}
docker-compose stop

# Backup configurations
log "Backing up configurations..."
{% for path in backup_paths %}
if [ -d "{{ path }}" ]; then
    rsync -av "{{ path }}/" "$BACKUP_PATH/$(basename {{ path }})/"
    log "Backed up {{ path }}"
fi
{% endfor %}

# Backup Docker Compose files
log "Backing up Docker Compose configuration..."
cp -r {{ docker_compose_dir }} "$BACKUP_PATH/compose"

# Create backup metadata
cat > "$BACKUP_PATH/backup_info.txt" << EOF
Backup Date: $(date)
Hostname: $(hostname)
Docker User: {{ docker_user }}
Media Root: {{ media_root }}
Docker Root: {{ docker_root }}
Backup Paths:
{% for path in backup_paths %}
  - {{ path }}
{% endfor %}
EOF

# Restart services
log "Restarting Arrs services..."
docker-compose up -d

# Create compressed archive
log "Creating compressed archive..."
cd "$BACKUP_DIR"
tar -czf "${BACKUP_NAME}.tar.gz" "$BACKUP_NAME"
rm -rf "$BACKUP_NAME"

# Set permissions
chown {{ docker_user }}:{{ docker_group }} "${BACKUP_NAME}.tar.gz"

log "Backup completed: ${BACKUP_NAME}.tar.gz"
log "Backup size: $(du -h ${BACKUP_NAME}.tar.gz | cut -f1)"

# Cleanup old backups
log "Cleaning up old backups..."
find "$BACKUP_DIR" -name "arrs_backup_*.tar.gz" -mtime +{{ backup_retention_days }} -delete

log "Backup process finished successfully"