// cloud.js - defines the cloud platform-specific values for the site

var cloud = {
    platform: 'azure',
    poweredBy: 'Powered by Azure Functions &amp; Cosmos DB<br/>Data courtesy of &nbsp;<a href="https://www.cia.gov/library/publications/the-world-factbook/" target="_blank">CIA WorldFactbook</a>',
    resultToJson: function (response) {  // perform any conversion necessary of function response to a JSON variable
        return $.parseJSON(response);
    },
    flagImageUrl: function (countryKey) {
        return 'https://worldfactbook.blob.core.windows.net/data/' + countryKey + '.gif';
    },
    mapImageUrl: function (countryKey) {
        return 'https://worldfactbook.blob.core.windows.net/data/' + countryKey + '-map.gif';
    },
    countryRecordUrl: function (countryName, countryKey) {
        //return 'https://factbook.azure-api.net/world-factbook/country/' + countryKey;
        return 'https://world-factbook.azurewebsites.net/api/country?country=' + countryKey;
    },
    searchUrl: function (term) {
        //return 'https://factbook.azure-api.net/world-factbook/search/' + term;
        return 'https://world-factbook.azurewebsites.net/api/search?term=' + term;
    },
    reportUrl: function (reportId) {
        //return 'https://factbook.azure-api.net/world-factbook/' + reportId;
        return 'https://world-factbook.azurewebsites.net/api/' + reportId;
    },
    columnChartAvailable: function (chartName) {    // returns true if chart name is supported/available
        switch (chartName) {
            case 'report-area-highest':
            case 'report-area-lowest':
            case 'report-exports-highest':
            case 'report-exports-lowest':
            case 'report-imports-highest':
            case 'report-imports-lowest':
            case 'report-inflation-highest':
            case 'report-inflation-lowest':
            case 'report-internet-users-highest':
            case 'report-population-highest':
            case 'report-population-lowest':
                return true;
            default:
                return false;
        }
    },

    // Interpret report data and format for a Google Charts column chart
    // inputs: chartName, chartData (raw JSON chart data from function).
    // outputs: Sets chartTitle, xAxisTitle, yAxisTitle/2/3. Pushes country name to countrySelect. Pushes value(s) to googleChartData.
    columnChartData: function (chartName, chartData) {

        xAxisTitle = null;
        yAxisTitle = null;
        yAxisTitle2 = null;
        yAxisTitle3 = null;
        reportId = null;
        var googleChartData = [];

        switch (chartName) {
            case 'report-area-highest':
                chartTitle = 'Area - Largest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Area (sq km)';
                yAxisTitle2 = 'Land';
                yAxisTitle3 = 'Water';
                reportId = 'report-area-highest';
                if (chartData != null) {
                    var country = null;
                    var land = 0;
                    var water = 0;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);

                        land = 0;
                        water = 0;

                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, country.total.value, land, water
                        ]);
                    }
                }
                break;
            case 'report-area-lowest':
                chartTitle = 'Area - Smallest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Area (sq km)';
                yAxisTitle2 = 'Land';
                yAxisTitle3 = 'Water';
                reportId = 'report-area-lowest';
                if (chartData != null) {
                    var country = null;
                    var land = 0;
                    var water = 0;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);

                        land = 0;
                        water = 0;

                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, country.total.value, land, water
                        ]);
                    }
                }
                break;
            case 'report-exports-highest':
                chartTitle = 'Exports - Highest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Exports (USD)';
                yAxisTitle2 = 'Prior Year Exports (USD)';
                reportId = 'report-exports-highest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        var n1, n2;
                        n1 = country["$1"].value;
                        n2 = (country["$2"] ? country["$2"].value : null);
                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, n1, n2
                        ]);
                    }
                }
                break;
            case 'report-exports-lowest':
                chartTitle = 'Exports - Lowest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Exports (USD)';
                yAxisTitle2 = 'Prior Year Exports (USD)';
                reportId = 'report-exports-lowest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        var n1, n2;
                        n1 = country["$1"].value;
                        n2 = (country["$2"] ? country["$2"].value : null);
                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, n1, n2
                        ]);
                    }
                }
                break;
            case 'report-imports-highest':
                chartTitle = 'Imports - Highest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Imports (USD)';
                yAxisTitle2 = 'Prior Year Exports (USD)';
                reportId = 'report-imports-highest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        var n1, n2;
                        n1 = country["$1"].value;
                        n2 = (country["$2"] ? country["$2"].value : null);
                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, n1, n2
                        ]);
                    }
                }
                break;
            case 'report-imports-lowest':
                chartTitle = 'Imports - Lowest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Imports (USD)';
                yAxisTitle2 = 'Prior Year Exports (USD)';
                reportId = 'report-imports-lowest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        var n1, n2;
                        n1 = country["$1"].value;
                        n2 = (country["$2"] ? country["$2"].value : null);
                        if (country.land) land = country.land.value;
                        if (country.water) water = country.water.value;
                        googleChartData.push([
                            { v: country.name }, n1, n2
                        ]);
                    }
                }
                break;
            case 'report-inflation-highest':
                chartTitle = 'Inflation - Highest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Inflation Rate';
                reportId = 'report-inflation-highest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        googleChartData.push([
                            { v: country.name }, country["$1"].value
                        ]);
                    }
                }
                break;
            case 'report-inflation-lowest':
                chartTitle = 'Inflation - Lowest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Inflation Rate';
                reportId = 'report-inflation-lowest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        googleChartData.push([
                            { v: country.name }, country["$1"].value
                        ]);
                    }
                }
                break;
            case 'report-internet-users-highest':
                chartTitle = 'Internet Users - Most';
                xAxisTitle = 'Country';
                yAxisTitle = 'No. Internet Users (Millions)';
                yAxisTitle2 = 'Percent of Populaton';
                reportId = 'report-internet-users-highest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    var total = 0;
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        total = country.total / 1000000;
                        googleChartData.push([
                            { v: country.name }, total, country.percent_of_population
                        ]);
                    }
                }
                break;
            case 'report-population-highest':
                chartTitle = 'Population - Highest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Population';
                reportId = 'report-population-highest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        googleChartData.push([
                            { v: country.name }, country.total
                        ]);
                    }
                }
                break;
            case 'report-population-lowest':
                chartTitle = 'Population - Lowest';
                xAxisTitle = 'Country';
                yAxisTitle = 'Population';
                reportId = 'report-population-lowest';
                if (chartData != null) {
                    var country = null;
                    countrySelect = [];
                    for (var d = 0; d < chartData.length; d++) {
                        country = chartData[d];
                        countrySelect.push(country.name);
                        googleChartData.push([
                            { v: country.name }, country.total
                        ]);
                    }
                }
                break;
            default:
                console.log('chart not found: ' + chartName);
                break;
        }

        if (reportId) { return googleChartData; } else { return null; }
    },
};