/// <reference path="../AbstractFlatpickrConfig.ts" />

/* eslint-disable @typescript-eslint/no-unused-vars */
namespace Providers.OSUI.Datepicker.Flatpickr.RangeDate {
	/**
	 * Class that represents the custom configurations received by the Datepicker RangeDate mode.
	 *
	 * @export
	 * @class FlatpickrRangeDateConfig
	 * @extends {AbstractFlatpickrConfig}
	 */
	export class FlatpickrRangeDateConfig extends AbstractFlatpickrConfig {
		// Set the property EndDate
		public InitialEndDate: string;
		// Set the property StartDate
		public InitialStartDate: string;

		constructor(config: JSON) {
			super(config);

			this.CalendarMode = OSFramework.OSUI.Patterns.DatePicker.Enum.Mode.Range;
		}

		// Method used to set the default value since we're dealing with on input to be assigned and 2 received dates!
		private _setDefaultDate(): string[] | undefined {
			// Check if any of the given dates are a null date
			if (OSFramework.OSUI.Helper.Dates.IsNull(this.InitialStartDate)) {
				this.InitialStartDate = undefined;
			}

			if (OSFramework.OSUI.Helper.Dates.IsNull(this.InitialEndDate)) {
				this.InitialEndDate = undefined;
			}

			// Check if the Start Date is after than End Date
			if (
				this.InitialEndDate !== undefined &&
				this.InitialStartDate !== undefined &&
				OSFramework.OSUI.Helper.Dates.IsBeforeThan(this.InitialStartDate, this.InitialEndDate) === false
			) {
				throw new Error(`StartDate '${this.InitialStartDate}' can't be after EndDate '${this.InitialEndDate}'`);
			}

			return [this.InitialStartDate, this.InitialEndDate];
		}

		/**
		 * Method used to set all the config properties for the RangeDate mode type
		 *
		 * @returns [FlatpickrOptions]
		 * @memberof Providers.OSUI.DatePicker.Flatpickr.RangeDate.FlatpickrRangeDateConfig
		 */
		public getProviderConfig(): FlatpickrOptions {
			const flatpickrRangeDateOpts = {
				defaultDate: this._setDefaultDate(),
				mode: OSFramework.OSUI.Patterns.DatePicker.Enum.Mode.Range,
			};

			return this.mergeConfigs(super.getProviderConfig(), flatpickrRangeDateOpts, this.providerExtendedOptions);
		}
	}
}