/*!
FullCalendar v5.11.3
Docs & License: https://fullcalendar.io/
(c) 2022 Adam Shaw
*/
import { __assign } from 'tslib';
import { identity, createPlugin, requestJson, addDays } from '@fullcalendar/common';

// rename this file to options.ts like other packages?
var OPTION_REFINERS = {
    googleCalendarApiKey: String,
};

var EVENT_SOURCE_REFINERS = {
    googleCalendarApiKey: String,
    googleCalendarId: String,
    googleCalendarApiBase: String,
    extraParams: identity,
};

// TODO: expose somehow
var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
var eventSourceDef = {
    parseMeta: function (refined) {
        var googleCalendarId = refined.googleCalendarId;
        if (!googleCalendarId && refined.url) {
            googleCalendarId = parseGoogleCalendarId(refined.url);
        }
        if (googleCalendarId) {
            return {
                googleCalendarId: googleCalendarId,
                googleCalendarApiKey: refined.googleCalendarApiKey,
                googleCalendarApiBase: refined.googleCalendarApiBase,
                extraParams: refined.extraParams,
            };
        }
        return null;
    },
    fetch: function (arg, onSuccess, onFailure) {
        var _a = arg.context, dateEnv = _a.dateEnv, options = _a.options;
        var meta = arg.eventSource.meta;
        var apiKey = meta.googleCalendarApiKey || options.googleCalendarApiKey;
        if (!apiKey) {
            onFailure({
                message: 'Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/',
            });
        }
        else {
            var url = buildUrl(meta);
            // TODO: make DRY with json-feed-event-source
            var extraParams = meta.extraParams;
            var extraParamsObj = typeof extraParams === 'function' ? extraParams() : extraParams;
            var requestParams_1 = buildRequestParams(arg.range, apiKey, extraParamsObj, dateEnv);
            requestJson('GET', url, requestParams_1, function (body, xhr) {
                if (body.error) {
                    onFailure({
                        message: 'Google Calendar API: ' + body.error.message,
                        errors: body.error.errors,
                        xhr: xhr,
                    });
                }
                else {
                    onSuccess({
                        rawEvents: gcalItemsToRawEventDefs(body.items, requestParams_1.timeZone),
                        xhr: xhr,
                    });
                }
            }, function (message, xhr) {
                onFailure({ message: message, xhr: xhr });
            });
        }
    },
};
function parseGoogleCalendarId(url) {
    var match;
    // detect if the ID was specified as a single string.
    // will match calendars like "asdf1234@calendar.google.com" in addition to person email calendars.
    if (/^[^/]+@([^/.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
        return url;
    }
    if ((match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^/]*)/.exec(url)) ||
        (match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^/]*)/.exec(url))) {
        return decodeURIComponent(match[1]);
    }
    return null;
}
function buildUrl(meta) {
    var apiBase = meta.googleCalendarApiBase;
    if (!apiBase) {
        apiBase = API_BASE;
    }
    return apiBase + '/' + encodeURIComponent(meta.googleCalendarId) + '/events';
}
function buildRequestParams(range, apiKey, extraParams, dateEnv) {
    var params;
    var startStr;
    var endStr;
    if (dateEnv.canComputeOffset) {
        // strings will naturally have offsets, which GCal needs
        startStr = dateEnv.formatIso(range.start);
        endStr = dateEnv.formatIso(range.end);
    }
    else {
        // when timezone isn't known, we don't know what the UTC offset should be, so ask for +/- 1 day
        // from the UTC day-start to guarantee we're getting all the events
        // (start/end will be UTC-coerced dates, so toISOString is okay)
        startStr = addDays(range.start, -1).toISOString();
        endStr = addDays(range.end, 1).toISOString();
    }
    params = __assign(__assign({}, (extraParams || {})), { key: apiKey, timeMin: startStr, timeMax: endStr, singleEvents: true, maxResults: 9999 });
    if (dateEnv.timeZone !== 'local') {
        params.timeZone = dateEnv.timeZone;
    }
    return params;
}
function gcalItemsToRawEventDefs(items, gcalTimezone) {
    return items.map(function (item) { return gcalItemToRawEventDef(item, gcalTimezone); });
}
function gcalItemToRawEventDef(item, gcalTimezone) {
    var url = item.htmlLink || null;
    // make the URLs for each event show times in the correct timezone
    if (url && gcalTimezone) {
        url = injectQsComponent(url, 'ctz=' + gcalTimezone);
    }
    return {
        id: item.id,
        title: item.summary,
        start: item.start.dateTime || item.start.date,
        end: item.end.dateTime || item.end.date,
        url: url,
        location: item.location,
        description: item.description,
        attachments: item.attachments || [],
        extendedProps: (item.extendedProperties || {}).shared || {},
    };
}
// Injects a string like "arg=value" into the querystring of a URL
// TODO: move to a general util file?
function injectQsComponent(url, component) {
    // inject it after the querystring but before the fragment
    return url.replace(/(\?.*?)?(#|$)/, function (whole, qs, hash) { return (qs ? qs + '&' : '?') + component + hash; });
}
var main = createPlugin({
    eventSourceDefs: [eventSourceDef],
    optionRefiners: OPTION_REFINERS,
    eventSourceRefiners: EVENT_SOURCE_REFINERS,
});

export default main;
//# sourceMappingURL=main.js.map