// Load solar conditions
function loadSolarConditions() {
    $.getJSON('/api/v1/solar', function(jsonData) {

        // HF

        const hfConditionClass = { 'Good': 'table-success', 'Fair': 'table-warning', 'Poor': 'table-danger' };

        if (jsonData.hf_conditions) {
            Object.entries(jsonData.hf_conditions).forEach(function([key, condition]) {
                const cell = $('#hf-conditions-' + key);
                cell.text(condition);
                cell.addClass(hfConditionClass[condition]);
            });
        }

        // VHF

        if (jsonData.vhf_conditions) {
            Object.entries(jsonData.vhf_conditions).forEach(function([key, condition]) {
                const cell = $('#vhf-conditions-' + key);
                cell.text(condition);
                let vhfClass;
                if (condition === 'Band Closed') {
                    vhfClass = 'table-danger';
                } else if (condition.includes('High')) {
                    vhfClass = 'table-warning';
                } else {
                    vhfClass = 'table-success';
                }
                cell.addClass(vhfClass);
            });
        }
        if (jsonData.aurora_latitude !== null && jsonData.aurora_latitude !== undefined) {
            $('#vhf-conditions-aurora-lat').text(jsonData.aurora_latitude + '°');
        }

        // Solar Weather

        const swFields = {
            'sfi':                  'sw-sfi',
            'sunspots':             'sw-sunspots',
            'band_conditions_desc': 'sw-solar-flux-desc',
            'k_index':              'sw-k-index',
            'a_index':              'sw-a-index',
            'geomag_field':         'sw-geomag-field',
            'geomag_storm_scale':   'sw-geomag-storm-scale',
            'geomag_storm_desc':    'sw-geomag-storm-desc',
            'geomag_noise':         'sw-geomag-noise',
            'x_ray':                'sw-x-ray',
            'blackout_desc':        'sw-xray-desc',
            'proton_flux':          'sw-proton-flux',
            'solar_storm_scale':    'sw-solar-storm-scale',
            'proton_flux_desc':     'sw-proton-desc',
            'electron_flux':        'sw-electron-flux',
            'electron_flux_desc':   'sw-electron-desc',
        };
        Object.entries(swFields).forEach(function([field, id]) {
            const val = jsonData[field];
            if (val !== null && val !== undefined) {
                $('#' + id).text(val);
            }
        });

        // Solar Weather - colouring

        function applySwClass(valsId, descId, cls) {
            $('#' + valsId).addClass(cls);
            $('#' + descId).addClass(cls);
        }

        const sfi = jsonData.sfi;
        if (sfi !== null && sfi !== undefined) {
            applySwClass('sw-solar-flux-vals', 'sw-solar-flux-desc',
                sfi > 150 ? 'bg-success-subtle' : sfi > 90 ? 'bg-warning-subtle' : 'bg-danger-subtle');
        }

        const kIndex = jsonData.k_index;
        if (kIndex !== null && kIndex !== undefined) {
            applySwClass('sw-geomag-vals', 'sw-geomag-desc',
                kIndex < 5 ? 'bg-success-subtle' : kIndex < 7 ? 'bg-warning-subtle' : 'bg-danger-subtle');
        }

        const xRay = jsonData.x_ray;
        if (xRay) {
            const letter = xRay[0].toUpperCase();
            const xRayClass = (letter === 'X') ? 'bg-danger-subtle'
                            : (letter === 'M') ? 'bg-warning-subtle'
                            : 'bg-success-subtle';
            applySwClass('sw-xray-vals', 'sw-xray-desc', xRayClass);
        }

        const protonFlux = jsonData.proton_flux;
        if (protonFlux !== null && protonFlux !== undefined) {
            applySwClass('sw-proton-vals', 'sw-proton-desc',
                protonFlux <= 100 ? 'bg-success-subtle' : protonFlux <= 10000 ? 'bg-warning-subtle' : 'bg-danger-subtle');
        }

        const electronFlux = jsonData.electron_flux;
        if (electronFlux !== null && electronFlux !== undefined) {
            applySwClass('sw-electron-vals', 'sw-electron-desc',
                electronFlux <= 100 ? 'bg-success-subtle' : electronFlux <= 1000 ? 'bg-warning-subtle' : 'bg-danger-subtle');
        }
    });
}

// Startup
$(document).ready(function() {
    loadSolarConditions();
});