inventory

function solve(array) {

    let copy = array.slice();
    let inventory = copy[0].split(', ')

    for (let i = 1; i < array.length; i++) {
        if (array[i].includes(' - ')) {
            let input = array[i].split(' - ');
            let [command, ...intem] = input;
            let current = intem[0];
            if (command === 'Collect') {
                if (!inventory.includes(current)) {
                    inventory.push(current)
                }

            }else if (command === 'Drop'){
                if (inventory.includes(current)){
                    inventory.splice(inventory.indexOf(current), 1)
                }

            }else if(command === 'Combine Items'){
                let [oldItem, newItem] = current.split(':');
                if (inventory.includes(oldItem)){
                    let indexToPlace = inventory.indexOf(oldItem);
                    inventory.splice(indexToPlace+1, 0, newItem)
                }

            }else if(command === 'Renew'){
                if (inventory.includes(current)){
                    let indexToPlace = inventory.indexOf(current);
                    inventory.splice(inventory.indexOf(current), 1)
                    inventory.push(current);
                }
            }
        } else if (array[i] === 'Craft!') {
            console.log(inventory.join(', '));
        }
    }
}
solve(['Iron, Wood, Sword', 'Collect - Gold', 'Drop - Wood', 'Craft!'])
solve(['Iron, Sword', 'Drop - Bronze', 'Combine Items - Sword:Bow', 'Renew - Iron', 'Craft!'])