03. P!rates

function thePirates(input){
    let sailHasPassed = 0;
    function createCity(cityName, population, gold){
        let city = {
            name: cityName,
            population: population,
            gold: gold,
            plunder(town, people, gold){
                let buffPeople = this.population - people;
                let buffGold = this.gold - gold;
                if (buffGold <= 0 || buffPeople <= 0 || buffGold <= 0 && buffPeople <= 0){
                    console.log(`${town} plundered! ${gold} gold stolen, ${people} citizens killed.`);
                    console.log(`${town} has been wiped off the map!`);
                    map.delete(this.name);
                } else {
                    this.population -= people;
                    this.gold -= gold;
                    console.log(`${town} plundered! ${gold} gold stolen, ${people} citizens killed.`);
                }
            },
            propser(town, gold){
                if (gold < 0){
                    console.log("Gold added cannot be a negative number!");
                } else {
                    this.gold += gold;
                    console.log(`${gold} gold added to the city treasury. ${town} now has ${this.gold} gold.`);
                }
            },

        }
        return city;
    }
    let indexOfSail = input.indexOf('Sail');
    let indexOFEnd = input.indexOf('End');
    let map = new Map();

    for (let i = 0; i < indexOfSail; i++){
        let tokens= input[i].split('||');
        let cityName = tokens[0];
        let population = Number(tokens[1]);
        let gold = Number(tokens[2]);
        let city = createCity(cityName, population, gold);
        if (map.has(cityName)){
            let city = map.get(cityName);
            city.population += population;
            city.gold += gold;
        } else{
            map.set(cityName, city);
        }

    }

    for (let i = indexOfSail + 1; i <= indexOFEnd; i++){
        let tokens = input[i].split('=>');
        let command = tokens.shift();
        let name = tokens.shift();
        let values = tokens;

        switch(command){
            case 'Plunder':{
                let city = map.get(name);
                let people = Number(values[0]);
                let gold = Number(values[1]);
                city.plunder(name, people, gold);
                break;
            }
            case 'Prosper':{
                let city = map.get(name);
                let gold = Number(values);
                city.propser(name, gold);
                break;
            }
            case 'End':
                console.log(`Ahoy, Captain! There are ${map.size} wealthy settlements to go to: `);
                for(let city of map){
                    console.log(`${city[1].name} -> Population: ${city[1].population} citizens, Gold: ${city[1].gold} kg`)
                }
                break;
        }
    }

}