#!/bin/bash

# Read me: prima di esecuzione fare chmod +x export_pool.sh
# Per l'utilizzo: ./export_pool.sh pool_name

if [ $# -ne 1 ]; then
    echo "Usage: $0 <pool_name>"
    exit 1
fi

pool_name=$1

# Function to check if a pool is imported and available
check_pool_imported() {
    local name=$1
    response=$(midclt call pool.query)
    echo "$response" | grep -q "\"name\": \"${name}\""
}

# Function to get the pool ID by name
get_pool_id() {
    local name=$1
    midclt call pool.query '[["name", "=", "'"${name}"'"]]' | jq -r '.[0].id'
}

# Check if the pool is imported and available
if ! check_pool_imported "$pool_name"; then
    echo "Pool '${pool_name}' is not imported and available."
    exit 1
fi

echo "Starting export of pool '${pool_name}'..."

# Get pool ID for export
pool_id=$(get_pool_id "$pool_name")

# Start the pool export job
export_job_id=$(midclt call pool.export "$pool_id")
echo "Started pool export job with ID: $export_job_id"

# Poll until the export job is complete
while true; do
    echo "Checking export job status..."
    export_job_status=$(midclt call core.get_jobs "[[\"id\", \"=\", ${export_job_id}]]" | jq -r '.[0]')
    export_state=$(echo $export_job_status | jq -r '.state')
    echo "Export job state: $export_state"
    
    if [ "$export_state" == "SUCCESS" ]; then
        echo "Export job succeeded."
        break
    elif [ "$export_state" == "FAILED" ]; then
        echo "Export job failed"
        exit 1
    fi
    sleep 1
done

# After export, double-check if the pool is no longer available
if check_pool_imported "$pool_name"; then
    echo "Pool '${pool_name}' still found after export attempt. Error!"
    exit 1
else
    echo "Pool '${pool_name}' successfully exported and no longer available."
    exit 0
fi