09. Gladiator Inventory

function gladiatorInventory(commands) {
    let inventory = commands.shift().split(' ');
    while (commands.length !== 0) {
        let command = commands.shift().split(' ');
        if (!inventory.includes(command[1]) && command[0] === 'Buy') {
            inventory.push(command[1]);
        }
        if (command[0] === 'Trash' && inventory.includes(command[1])) {
            inventory.splice(inventory.indexOf(command[1]), 1);
        }
        if (command[0] === 'Repair' && inventory.includes(command[1])) {
            inventory.splice(inventory.indexOf(command[1]), 1);
            inventory.push(command[1]);
        }
        if (command[0] === 'Upgrade') {
            let current = command[1].split('-');
            if (inventory.includes(current[0])) {
                inventory.splice(inventory.indexOf(current[0]) + 1, 0, current[0] + ':' + current[1]);
            }
        }
    }
    console.log(inventory.join(' '));
}