class Job
{
    constructor(quantity, slots, unitProduction, unitProductionRatio, classProduction, unitWheatConsumption, classWheatConsumption)
    {
        this.quantity = quantity;
        this.slots = slots;
        this.unitProduction = unitProduction;
        this.unitProductionRatio = unitProductionRatio;
        this.classProduction = classProduction;
        this.unitWheatConsumption = unitWheatConsumption;
        this.classWheatConsumption = classWheatConsumption;
    }

    toJSON()
    {
        return {
            quantity:this.quantity,
            slots:this.slots,
            unitProduction:this.unitProduction,
            unitProductionRatio:this.unitProductionRatio,
            classProduction:this.classProduction,
            unitWheatConsumption:this.unitWheatConsumption,
            classWheatConsumption:this.classWheatConsumption
        }
    }

    static fromJSON(json)
    {
        return new Job(json.quantity, json.slots, json.unitProduction, json.unitProductionRatio, json.classProduction, json.unitWheatConsumption, json.classWheatConsumption);
    }
}

class Resource
{
    constructor(quantity, addition, capacity, initial, slope)
    {
        this.quantity = quantity;
        this.addition = addition;
        this.capacity = capacity;
        this.initial = initial;
        this.slope = slope;
    }

    toJSON()
    {
        return {
            quantity:this.quantity,
            addition:this.addition,
            capacity:this.capacity,
            initial:this.initial,
            slope:this.slope
        }
    }

    static fromJSON(json)
    {
        return new Resource(json.quantity, json.addition, json.capacity, json.initial, json.slope);
    }
}

class Factory
{
    constructor(quantity, unitProduction, unitProductionRatio, classProduction, unitWorkerBoost, unitPrice1, unitPrice2, unitPriceRatio1, unitPriceRatio2, unitResourceStorage)
    {
        this.quantity = quantity;
        this.unitProduction = unitProduction;
        this.unitProductionRatio = unitProductionRatio;
        this.classProduction = classProduction;
        this.unitWorkerBoost = unitWorkerBoost;
        this.unitPrice1 = unitPrice1;
        this.unitPrice2 = unitPrice2;
        this.unitPriceRatio1 = unitPriceRatio1;
        this.unitPriceRatio2 = unitPriceRatio2;
        this.unitResourceStorage = unitResourceStorage;
    }

    /**
     * This is not done as part of the core constructor because it should not be.
     * @param resource
     */

    setResource(resource)
    {
        this.resource = resource;
        return this;
    }

    setWorker(worker)
    {
        this.worker = worker;
        return this;
    }

    toJSON()
    {
        return {
            quantity:this.quantity,
            unitProduction:this.unitProduction,
            unitProductionRatio:this.unitProductionRatio,
            classProduction:this.classProduction,
            unitWorkerBoost:this.unitWorkerBoost,
            unitPrice1:this.unitPrice1,
            unitPrice2:this.unitPrice2,
            unitPriceRatio1:this.unitPriceRatio1,
            unitPriceRatio2:this.unitPriceRatio2,
            unitResourceStorage:this.unitResourceStorage,
        }
    }

    static fromJSON(json)
    {
        return new Factory(json.quantity, json.unitProduction, json.unitProductionRatio, json.classProduction, json.unitWorkerBoost, json.unitPrice1, json.unitPrice2, json.unitPriceRatio1, json.unitPriceRatio2, json.unitResourceStorage);
    }
}

const SAVE_FILE_NAME = 'GameSaveFile';

class DeerGame
{
    /**
     * Initialise the Game variables
     */
    hardReset()
    {
        // jobs
        this.farmers =      new Job(0, 0, 0.75, 1, 0, 0.22, 0);
        this.loggers =      new Job(0, 0, 0.50, 1, 0, 0.32, 0);
        this.miners =      new Job(0, 0, 0.25, 1, 0, 0.42, 0);
        this.explorers =    new Job(0, 0, 0.16, 1, 0, 0.52, 0);
        this.scientists =   new Job(0, 0, 0.09, 1, 0, 0.62, 0);
        this.artists =      new Job(0, 0, 0.04, 1, 0, 0.72, 0);
        this.priests =      new Job(0, 0, 0.01, 1, 0, 0.82, 0);

        // resources
        this.deer =         new Resource(0, 1, 5, 5, 0);
        this.rock =         new Resource(0, 0, 7, 7, 0);
        this.wood =         new Resource(0, 0, 11, 11, 0);
        this.wheat =        new Resource(0, 0, 13, 13, 0);
        this.land =         new Resource(0, 0, 17, 17, 0);
        this.science =      new Resource(0, 0, 19, 19, 0);
        this.faith =        new Resource(0, 0, 23, 23, 0);

        // factories
        this.forest =    new Factory(0, 0.25, 1, 0, 1.15, 15, 2, 1.1, 1.3, 25).setResource(this.wood).setWorker(this.loggers);
        this.mine =      new Factory(0, 0.15, 1, 0, 1.15, 25, 1, 1.2, 1.1, 10).setResource(this.rock).setWorker(this.miners);
        this.grassland = new Factory(0, 0.35, 1, 0, 1.15, 5, 1.5, 1.05, 1.2, 50).setResource(this.wheat).setWorker(this.farmers);
    }

    toJSON()
    {
        return {
            jobs:{
                farmers:this.farmers.toJSON(),
                loggers:this.loggers.toJSON(),
                miners:this.miners.toJSON(),
                explorers:this.explorers.toJSON(),
                scientists:this.scientists.toJSON(),
                artists:this.artists.toJSON(),
                priests:this.priests.toJSON(),
            },

            resources:{
                deer:this.deer.toJSON(),
                rock:this.rock.toJSON(),
                wood:this.wood.toJSON(),
                wheat:this.wheat.toJSON(),
                land:this.land.toJSON(),
                science:this.science.toJSON(),
                faith:this.faith.toJSON(),
            },

            factories:{
                forest:this.forest.toJSON(),
                mine:this.mine.toJSON(),
                grassland:this.grassland.toJSON()
            }
        }
    }

    loadJSON(json)
    {
        for(let jobName in json.jobs)
        {
            this[jobName] = Job.fromJSON(json.jobs[jobName]);
        }

        for(let resourceName in json.resources)
        {
            this[resourceName] = Resource.fromJSON(json.resources[resourceName]);
        }

        for(let factoryName in json.factories)
        {
            this[factoryName] = Factory.fromJSON(json.factories[factoryName]);
        }
        this.forest.setResource(this.wood).setWorker(this.loggers);
        this.mine.setResource(this.rock).setWorker(this.miners);
        this.grassland.setResource(this.land).setWorker(this.farmers);
    }

    save()
    {
        let jsonString = JSON.stringify(this.toJSON()),
            encodedString = btoa(jsonString);
        localStorage.setItem(SAVE_FILE_NAME, encodedString);
    }

    load()
    {
        let encodedString = localStorage.getItem(SAVE_FILE_NAME);
        if(encodedString === null)
        {
            return false;
        }
        let jsonString = atob(encodedString),
            json = JSON.parse(jsonString);

        this.loadJSON(json);
        return true;
    }

    constructor()
    {
        if(this.load())
        {
            // we have a save file, and should load it
        }
        else
        {
            // we do not have a save file, so we should hard reset the game
            this.hardReset();
            this.save();
        }
    }
}

let deerGame = new DeerGame();