Add Hawaii and Alaska time zones to US list, add warning for when user possibly doesn't know the difference between XDT and XST.

src/buttons/event-creation/dateTimeUtils.ts

@@ -1,3 +1,6 @@
+import config from '../../../config.ts';
+import {editEventDetailsBtnName} from './utils.ts';
+
 const monthsLong: Array<string> = ['JANUARY', 'FEBRUARY', 'MARCH', 'APRIL', 'MAY', 'JUNE', 'JULY', 'AUGUST', 'SEPTEMBER', 'OCTOBER', 'NOVEMBER', 'DECEMBER'];
 export const monthsShort: Array<string> = monthsLong.map((month) => month.slice(0, 3));
 const tzMap: Map<string, string> = new Map([
@@ -52,7 +55,8 @@ const tzMap: Map<string, string> = new Map([
 	['CHST', '+10:00'],
 	['SST', '-11:00'],
 ]);
-const shorthandUSTZ: Array<string> = ['ET', 'CT', 'MT', 'PT'];
+const shorthandUSTZ: Array<string> = ['ET', 'CT', 'MT', 'PT', 'HT', 'AKT'];
+const allUSTZ: Array<string> = ['EST', 'CST', 'MST', 'PST', 'HST', 'AKST', 'EDT', 'CDT', 'MDT', 'PDT', 'HDT', 'AKDT'];
 
 // Takes user input Time and makes it actually usable
 const parseEventTime = (preParsedEventTime: string): [string, string, string] => {
@@ -93,14 +97,31 @@ export const isDSTActive = (): boolean => {
 	return today.getTimezoneOffset() < Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
 };
 
+const editButtonMessage = `click \`${editEventDetailsBtnName}\` and change`;
+const warningText = (incorrectTZ: string, correctTZ: string, newEvent: boolean) =>
+	`⚠️⚠️⚠️ WARNING! Did you mean to enter \`${incorrectTZ}\` for the time zone? ⚠️⚠️⚠️\nCurrently (as of the posting of this message), Daylight Savings Time is ${isDSTActive() ? '' : 'not '}active in most of the United States.  If DST is ${
+		isDSTActive() ? '' : 'not '
+	}in effect for you (and will be when this event is scheduled to happen), ${newEvent ? editButtonMessage : 'please dismiss this message and start over, using'} the time zone ${newEvent ? 'to ' : ''}\`${correctTZ}\`, or shorten it to \`${correctTZ.slice(0, -2)}T\` to let ${config.name} automatically use the correct time zone.\n\n`;
+
+const usTZDSTCheck = (timeZone: string, newEvent: boolean): string => {
+	if (allUSTZ.includes(timeZone)) {
+		if (isDSTActive() && timeZone.endsWith('ST')) {
+			return warningText(timeZone, `${timeZone.slice(0, -2)}DT`, newEvent);
+		} else if (!isDSTActive() && timeZone.endsWith('DT')) {
+			return warningText(timeZone, `${timeZone.slice(0, -2)}ST`, newEvent);
+		}
+	}
+	return '';
+};
+
 // Takes user input Time Zone and makes it actually usable
 const parseEventTimeZone = (preParsedEventTimeZone: string): [string, string] => {
 	if (shorthandUSTZ.includes(preParsedEventTimeZone)) {
 		// Handle shorthand US timezones, adding S for standard time and D for Daylight Savings
 		if (isDSTActive()) {
-			preParsedEventTimeZone = `${preParsedEventTimeZone.slice(0, 1)}DT`;
+			preParsedEventTimeZone = `${preParsedEventTimeZone.slice(0, -1)}DT`;
 		} else {
-			preParsedEventTimeZone = `${preParsedEventTimeZone.slice(0, 1)}ST`;
+			preParsedEventTimeZone = `${preParsedEventTimeZone.slice(0, -1)}ST`;
 		}
 	}
 	if (tzMap.has(preParsedEventTimeZone)) {
@@ -154,12 +175,13 @@ const parseEventDate = (preParsedEventDate: string): [string, string, string] =>
 };
 
 // Take full raw Date/Time input and convert it to a proper Date
-export const getDateFromRawInput = (rawEventTime: string, rawEventTimeZone: string, rawEventDate: string): [Date, string, boolean, boolean] => {
+export const getDateFromRawInput = (rawEventTime: string, rawEventTimeZone: string, rawEventDate: string, newEvent: boolean): [Date, string, boolean, boolean, string] => {
 	// Verify/Set Time
 	const [parsedEventTimeHours, parsedEventTimeMinutes, parsedEventTimePeriod] = parseEventTime(rawEventTime.replaceAll(':', '').toUpperCase());
 
 	// Verify/Set Time Zone
 	const [parsedEventTimeZone, userInputTimeZone] = parseEventTimeZone(rawEventTimeZone.replaceAll(' ', '').trim().toUpperCase());
+	const usTZWarning = usTZDSTCheck(userInputTimeZone, newEvent);
 
 	// Verify/Set Date
 	const [parsedEventYear, parsedEventMonth, parsedEventDay] = parseEventDate(rawEventDate.trim().toUpperCase());
@@ -172,5 +194,6 @@ export const getDateFromRawInput = (rawEventTime: string, rawEventTimeZone: stri
 		} ${parsedEventDay}, ${parsedEventYear}`,
 		parsedDateTime.getTime() > new Date().getTime(),
 		!isNaN(parsedDateTime.getTime()),
+		usTZWarning
 	];
 };

src/buttons/event-creation/step2-finalize.ts

@@ -67,7 +67,7 @@ const execute = async (bot: Bot, interaction: Interaction) => {
 		}
 
 		// Get Date Object from user input
-		const [eventDateTime, eventDateTimeStr, eventInFuture, dateTimeValid] = getDateFromRawInput(rawEventTime, rawEventTimeZone, rawEventDate);
+		const [eventDateTime, eventDateTimeStr, eventInFuture, dateTimeValid, usTZWarning] = getDateFromRawInput(rawEventTime, rawEventTimeZone, rawEventDate, true);
 
 		addTokenToMap(bot, interaction, interaction.guildId, interaction.channelId, interaction.member.id);
 		bot.helpers.sendInteractionResponse(
@@ -89,6 +89,7 @@ const execute = async (bot: Bot, interaction: Interaction) => {
 				customIdIdxPath,
 				eventInFuture,
 				dateTimeValid,
+				usTZWarning,
 			),
 		).catch((e: Error) => utils.commonLoggers.interactionSendError('step2-finalize.ts', interaction, e));
 	} else {

src/buttons/event-creation/utils.ts

@@ -55,7 +55,7 @@ export const generateActionRow = (baseValue: string, activities: Array<Activity>
 
 const createEventBtnName = 'Create Event';
 const createWhitelistedBtnName = 'Create Whitelisted Event';
-const editEventDetailsBtnName = 'Edit Event Details';
+export const editEventDetailsBtnName = 'Edit Event Details';
 export const invalidDateTimeStr = '`Invalid Date/Time`';
 const finalizeButtons = (idxPath: string, eventInFuture: boolean): [ButtonComponent, ButtonComponent, ButtonComponent] | [ButtonComponent] => {
 	const editButton: ButtonComponent = {
@@ -129,6 +129,7 @@ export const createLFGPost = (
 	idxPath: string,
 	eventInFuture: boolean,
 	dateTimeValid: boolean,
+	usTZWarning: string,
 ): InteractionResponse => {
 	const icsDetails = `${category}: ${activity.name}`;
 	const dateTimePastFutureStr = dateTimeValid ? 'in the past' : 'with an invalid date/time';
@@ -138,7 +139,7 @@ export const createLFGPost = (
 		data: {
 			flags: ApplicationCommandFlags.Ephemeral,
 			content: eventInFuture
-				? `🛑🛑🛑 HEY! ONE MORE THING! 🛑🛑🛑\n\nPlease verify the information below, then click on the \`${createEventBtnName}\` or \`${createWhitelistedBtnName}\` button, or change the event \`Date/Time\` or \`Description\` with the \`${editEventDetailsBtnName}\` button below. \n\n${
+				? `${usTZWarning}🛑🛑🛑 HEY! ONE MORE THING! 🛑🛑🛑\n\nPlease verify the information below, then click on the \`${createEventBtnName}\` or \`${createWhitelistedBtnName}\` button, or change the event \`Date/Time\` or \`Description\` with the \`${editEventDetailsBtnName}\` button below. \n\n${
 					selfDestructMessage(new Date().getTime())
 				}`
 				: `You cannot create an event ${dateTimePastFutureStr}.  Please change the event's \`Date/Time\` to be ${dateTimeValidStr} with the \`${editEventDetailsBtnName}\` button below.`,

src/buttons/live-event/applyDateTime.ts

@@ -33,7 +33,7 @@ const execute = async (bot: Bot, interaction: Interaction) => {
 		}
 
 		// Get Date Object from user input
-		const [eventDateTime, eventDateTimeStr, eventInFuture, dateTimeValid] = getDateFromRawInput(newTime, newTimeZone, newDate);
+		const [eventDateTime, eventDateTimeStr, eventInFuture, dateTimeValid, usTZWarning] = getDateFromRawInput(newTime, newTimeZone, newDate, false);
 		if (!eventInFuture || !dateTimeValid) {
 			bot.helpers.sendInteractionResponse(interaction.id, interaction.token, {
 				type: InteractionResponseTypes.ChannelMessageWithSource,
@@ -70,7 +70,7 @@ const execute = async (bot: Bot, interaction: Interaction) => {
 				type: InteractionResponseTypes.ChannelMessageWithSource,
 				data: {
 					flags: ApplicationCommandFlags.Ephemeral,
-					content: applyEditMessage(new Date().getTime()),
+					content: applyEditMessage(new Date().getTime(), usTZWarning),
 					embeds: [eventMessage.embeds[0]],
 					components: applyEditButtons(interaction.data.customId.split(idSeparator)[1] || ''),
 				},

src/buttons/live-event/utils.ts

@@ -353,8 +353,8 @@ export const joinRequestResponseButtons = (disabled: boolean): ActionRow[] => [{
 }];
 
 export const applyEditButtonName = 'Apply Edit';
-export const applyEditMessage = (currentTime: number) =>
-	`Please verify the updated event below, then click on the \`${applyEditButtonName}\` button.  If this does not look right, please dismiss this message and start over.\n\n${
+export const applyEditMessage = (currentTime: number, usTZWarning: string) =>
+	`${usTZWarning}Please verify the updated event below, then click on the \`${applyEditButtonName}\` button.  If this does not look right, please dismiss this message and start over.\n\n${
 		selfDestructMessage(currentTime)
 	}`;
 export const applyEditButtons = (idxPath: string): ActionRow[] => [{