const reducer = require('./reducer');

function getTenMostPopulous(obj) {
    return Object.keys(obj).sort((a, b) => obj[a] - obj[b]).slice(-10).reverse();
}

function percent(a, b) {
    if(typeof b === 'object') {
        const total = Object.values(b).reduce((a,b) => a + b);
        return (a/total) * 100;
    }
    return (a/(a + b)) * 100;
}

function struct(data) {
    const finalData = {results: []};

    const percentFemale = reducer.percentageFemale(data);
    finalData.results[0] = {
        title: 'Percentage Female vs Male',
        value: percent(percentFemale.female/percentFemale.male),
        femaleCount: percentFemale.female,
        maleCount: percentFemale.male
    };

    const percentFirst = reducer.percentageFirst(data);
    finalData.results[1] = {
        title: 'Percentage First Names Starting with A-M vs N-Z',
        value: percent(percentFirst.AM/percentFirst.NZ),
        amCount: percentFirst.AM,
        nzCount: percentFirst.NZ
    };

    const percentLast = reducer.percentageLast(data);
    finalData.results[2] = {
        title: 'Percentage Last Names Starting with A-M vs N-Z',
        value: percent(percentLast.AM/percentLast.NZ),
        amCount: percentLast.AM,
        nzCount: percentLast.NZ
    };

    const percentStates = reducer.percentageStates(data);
    finalData.results[3] = {
        title: 'Percentage Female vs Male in Ten Most Populous States',
        states: getTenMostPopulous(percentStates.total).map((state) => {
            return {
                name: state,
                value: percent(percentStates.female[state], percentStates.male[state]),
                femaleCount: percentStates.female[state],
                maleCount: percentStates.male[state],
            }
        })
    };

    const percentAge = reducer.percentageAge(data);
    finalData.results[4] = {
        title: 'Percentage People In Each Age Range',
        ranges: function(obj) {
            for (const range in obj) {
                range: {
                    value: percent(obj[range], obj),
                    count: obj[range];
                }(percentAge);
            }
        }
    }

    return finalData;
}


const fakeData = {
    results = [
        {
            title: 'Percentage Female vs Male',
            value: '50%',
            femaleCount: 10,
            maleCount: 10
        },
        {
            title: 'Percentage First Names Starting with A-M vs N-Z',
            value: '75%',
            amCount: 3,
            nzCount: 1
        },
        {
            title: 'Percentage Last Names Starting with A-M vs N-Z',
            value: '75%',
            amCount: 3,
            nzCount: 1
        },
        {
            title: 'Percentage Female vs Male in Ten Most Populous States',
            states: [
                {
                    name: 'New York',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'Montana',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'New Hampshire',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'California',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'Florida',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'Oregon',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'Alabama',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'Connecticut',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'New Mexico',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
                {
                    name: 'New Jersey',
                    value: '35%',
                    femaleCount: 12,
                    maleCount: 15
                },
            ]
        },
        {
            title: 'Percentage People In Each Age Range',
            ranges: {
                '0-20': {
                    value: '10%',
                    count: 5
                },
                '21-40': {
                    value: '10%',
                    count: 5
                },
                '41-60': {
                    value: '10%',
                    count: 5
                },
                '61-80': {
                    value: '10%',
                    count: 5
                },
                '81-100': {
                    value: '10%',
                    count: 5
                },
                '100+': {
                    value: '10%',
                    count: 5
                }
            }
        }
    ]
}

module.exports = {struct};