import {
	CALENDLY_TRIGGER_NODE_TYPE,
	CLEARBIT_NODE_TYPE,
	COMPANY_SIZE_1000_OR_MORE,
	COMPANY_SIZE_500_999,
	SCHEDULE_TRIGGER_NODE_TYPE,
	ELASTIC_SECURITY_NODE_TYPE,
	EMAIL_SEND_NODE_TYPE,
	EXECUTE_COMMAND_NODE_TYPE,
	FINANCE_WORK_AREA,
	GITHUB_TRIGGER_NODE_TYPE,
	HTTP_REQUEST_NODE_TYPE,
	IF_NODE_TYPE,
	ITEM_LISTS_NODE_TYPE,
	IT_ENGINEERING_WORK_AREA,
	JIRA_TRIGGER_NODE_TYPE,
	MICROSOFT_EXCEL_NODE_TYPE,
	MICROSOFT_TEAMS_NODE_TYPE,
	PAGERDUTY_NODE_TYPE,
	PRODUCT_WORK_AREA,
	QUICKBOOKS_NODE_TYPE,
	SALESFORCE_NODE_TYPE,
	SALES_BUSINESSDEV_WORK_AREA,
	SECURITY_WORK_AREA,
	SEGMENT_NODE_TYPE,
	SET_NODE_TYPE,
	SLACK_NODE_TYPE,
	SPREADSHEET_FILE_NODE_TYPE,
	SWITCH_NODE_TYPE,
	WEBHOOK_NODE_TYPE,
	XERO_NODE_TYPE,
	COMPANY_SIZE_KEY,
	WORK_AREA_KEY,
	CODING_SKILL_KEY,
	COMPANY_TYPE_KEY,
	ECOMMERCE_COMPANY_TYPE,
	MSP_COMPANY_TYPE,
	PERSONAL_COMPANY_TYPE,
	AUTOMATION_GOAL_KEY,
	OTHER_AUTOMATION_GOAL,
	NOT_SURE_YET_GOAL,
	CUSTOMER_INTEGRATIONS_GOAL,
	CUSTOMER_SUPPORT_GOAL,
	FINANCE_ACCOUNTING_GOAL,
	ZENDESK_TRIGGER_NODE_TYPE,
	WOOCOMMERCE_TRIGGER_NODE_TYPE,
	SALES_MARKETING_GOAL,
	HUBSPOT_TRIGGER_NODE_TYPE,
	HR_GOAL,
	WORKABLE_TRIGGER_NODE_TYPE,
	OPERATIONS_GOAL,
	PRODUCT_GOAL,
	NOTION_TRIGGER_NODE_TYPE,
	SECURITY_GOAL,
	THE_HIVE_TRIGGER_NODE_TYPE,
	ZENDESK_NODE_TYPE,
	SERVICENOW_NODE_TYPE,
	JIRA_NODE_TYPE,
	BAMBOO_HR_NODE_TYPE,
	GOOGLE_SHEETS_NODE_TYPE,
	CODE_NODE_TYPE,
} from '@/constants';
import type {
	IPersonalizationSurveyAnswersV1,
	IPersonalizationSurveyAnswersV2,
	IPersonalizationSurveyAnswersV3,
	IPersonalizationSurveyAnswersV4,
	IPersonalizationSurveyVersions,
	IUser,
	ILogInStatus,
	IRole,
} from '@/Interface';

/*
	Utility functions used to handle users in n8n
*/

function isPersonalizationSurveyV2OrLater(
	data: IPersonalizationSurveyVersions,
): data is
	| IPersonalizationSurveyAnswersV2
	| IPersonalizationSurveyAnswersV3
	| IPersonalizationSurveyAnswersV4 {
	return 'version' in data;
}

export type Roles = { [R in IRole as Capitalize<R>]: R };
export const ROLE: Roles = {
	Owner: 'owner',
	Member: 'member',
	Admin: 'admin',
	Default: 'default', // default user with no email when setting up instance
};

export const LOGIN_STATUS: { LoggedIn: ILogInStatus; LoggedOut: ILogInStatus } = {
	LoggedIn: 'LoggedIn', // Can be owner or member or default user
	LoggedOut: 'LoggedOut', // Can only be logged out if UM has been setup
};

export function getPersonalizedNodeTypes(
	answers:
		| IPersonalizationSurveyAnswersV1
		| IPersonalizationSurveyAnswersV2
		| IPersonalizationSurveyAnswersV3
		| IPersonalizationSurveyAnswersV4
		| null,
): string[] {
	if (!answers) {
		return [];
	}

	if (isPersonalizationSurveyV2OrLater(answers)) {
		return getPersonalizationSurveyV2OrLater(answers);
	}

	return getPersonalizationSurveyV1(answers);
}

export function getAccountAge(currentUser: IUser): number {
	if (currentUser.createdAt) {
		const accountCreatedAt = new Date(currentUser.createdAt);
		const today = new Date();

		return Math.ceil((today.getTime() - accountCreatedAt.getTime()) / (1000 * 3600 * 24));
	}
	return -1;
}

function getPersonalizationSurveyV2OrLater(
	answers:
		| IPersonalizationSurveyAnswersV2
		| IPersonalizationSurveyAnswersV3
		| IPersonalizationSurveyAnswersV4,
) {
	let nodeTypes: string[] = [];

	const { version, ...data } = answers;
	if (Object.keys(data).length === 0) {
		return [];
	}

	const companySize = answers[COMPANY_SIZE_KEY];
	const companyType = answers[COMPANY_TYPE_KEY];
	const automationGoal = answers[AUTOMATION_GOAL_KEY];

	let codingSkill = null;
	if (CODING_SKILL_KEY in answers && answers[CODING_SKILL_KEY]) {
		codingSkill = parseInt(answers[CODING_SKILL_KEY], 10);
		codingSkill = isNaN(codingSkill) ? 0 : codingSkill;
	}

	// slot 1 trigger
	if (companyType === ECOMMERCE_COMPANY_TYPE) {
		nodeTypes = nodeTypes.concat(WOOCOMMERCE_TRIGGER_NODE_TYPE);
	} else if (companyType === MSP_COMPANY_TYPE) {
		nodeTypes = nodeTypes.concat(JIRA_TRIGGER_NODE_TYPE);
	} else if (
		(companyType === PERSONAL_COMPANY_TYPE ||
			automationGoal === OTHER_AUTOMATION_GOAL ||
			automationGoal === NOT_SURE_YET_GOAL) &&
		codingSkill !== null &&
		codingSkill >= 4
	) {
		nodeTypes = nodeTypes.concat(WEBHOOK_NODE_TYPE);
	} else if (
		(companyType === PERSONAL_COMPANY_TYPE ||
			automationGoal === OTHER_AUTOMATION_GOAL ||
			automationGoal === NOT_SURE_YET_GOAL) &&
		codingSkill !== null &&
		codingSkill < 3
	) {
		nodeTypes = nodeTypes.concat(SCHEDULE_TRIGGER_NODE_TYPE);
	} else if (automationGoal === CUSTOMER_INTEGRATIONS_GOAL) {
		nodeTypes = nodeTypes.concat(WEBHOOK_NODE_TYPE);
	} else if (
		automationGoal === CUSTOMER_SUPPORT_GOAL ||
		automationGoal === FINANCE_ACCOUNTING_GOAL
	) {
		nodeTypes = nodeTypes.concat(ZENDESK_TRIGGER_NODE_TYPE);
	} else if (automationGoal === SALES_MARKETING_GOAL) {
		nodeTypes = nodeTypes.concat(HUBSPOT_TRIGGER_NODE_TYPE);
	} else if (automationGoal === HR_GOAL) {
		nodeTypes = nodeTypes.concat(WORKABLE_TRIGGER_NODE_TYPE);
	} else if (automationGoal === OPERATIONS_GOAL) {
		nodeTypes = nodeTypes.concat(SCHEDULE_TRIGGER_NODE_TYPE);
	} else if (automationGoal === PRODUCT_GOAL) {
		nodeTypes = nodeTypes.concat(NOTION_TRIGGER_NODE_TYPE);
	} else if (automationGoal === SECURITY_GOAL) {
		nodeTypes = nodeTypes.concat(THE_HIVE_TRIGGER_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(WEBHOOK_NODE_TYPE);
	}

	// slot 2 data transformation
	if (codingSkill !== null && codingSkill >= 4) {
		nodeTypes = nodeTypes.concat(CODE_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(ITEM_LISTS_NODE_TYPE);
	}

	// slot 3 logic node
	if (codingSkill !== null && codingSkill < 3) {
		nodeTypes = nodeTypes.concat(IF_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(SWITCH_NODE_TYPE);
	}

	// slot 4 use case #1
	if (companySize === COMPANY_SIZE_500_999 || companySize === COMPANY_SIZE_1000_OR_MORE) {
		switch (automationGoal) {
			case CUSTOMER_INTEGRATIONS_GOAL:
				nodeTypes = nodeTypes.concat(HTTP_REQUEST_NODE_TYPE);
				break;
			case CUSTOMER_SUPPORT_GOAL:
				nodeTypes = nodeTypes.concat(ZENDESK_NODE_TYPE);
				break;
			case SALES_MARKETING_GOAL:
				nodeTypes = nodeTypes.concat(SALESFORCE_NODE_TYPE);
				break;
			case HR_GOAL:
				nodeTypes = nodeTypes.concat(SERVICENOW_NODE_TYPE);
				break;
			case PRODUCT_GOAL:
				nodeTypes = nodeTypes.concat(JIRA_NODE_TYPE);
				break;
			case FINANCE_ACCOUNTING_GOAL:
				nodeTypes = nodeTypes.concat(SPREADSHEET_FILE_NODE_TYPE);
				break;
			case SECURITY_GOAL:
				nodeTypes = nodeTypes.concat(ELASTIC_SECURITY_NODE_TYPE);
				break;
			default:
				nodeTypes = nodeTypes.concat(SLACK_NODE_TYPE);
		}
	} else {
		switch (automationGoal) {
			case CUSTOMER_INTEGRATIONS_GOAL:
				nodeTypes = nodeTypes.concat(HTTP_REQUEST_NODE_TYPE);
				break;
			case CUSTOMER_SUPPORT_GOAL:
				nodeTypes = nodeTypes.concat(ZENDESK_NODE_TYPE);
				break;
			case FINANCE_ACCOUNTING_GOAL:
				nodeTypes = nodeTypes.concat(QUICKBOOKS_NODE_TYPE);
				break;
			case HR_GOAL:
				nodeTypes = nodeTypes.concat(BAMBOO_HR_NODE_TYPE);
				break;
			case PRODUCT_GOAL:
				nodeTypes = nodeTypes.concat(JIRA_NODE_TYPE);
				break;
			case SALES_MARKETING_GOAL:
				nodeTypes = nodeTypes.concat(GOOGLE_SHEETS_NODE_TYPE);
				break;
			case SECURITY_GOAL:
				nodeTypes = nodeTypes.concat(ELASTIC_SECURITY_NODE_TYPE);
				break;
			default:
				nodeTypes = nodeTypes.concat(SLACK_NODE_TYPE);
		}
	}

	// slot 4
	nodeTypes = nodeTypes.concat(SET_NODE_TYPE);

	return nodeTypes;
}

function getPersonalizationSurveyV1(answers: IPersonalizationSurveyAnswersV1) {
	const companySize = answers[COMPANY_SIZE_KEY];
	const workArea = answers[WORK_AREA_KEY];

	function isWorkAreaAnswer(name: string) {
		if (Array.isArray(workArea)) {
			return workArea.includes(name);
		} else {
			return workArea === name;
		}
	}

	const workAreaIsEmpty = !workArea || workArea.length === 0;

	if (companySize === null && workAreaIsEmpty && answers[CODING_SKILL_KEY] === null) {
		return [];
	}

	let codingSkill = null;
	if (answers[CODING_SKILL_KEY]) {
		codingSkill = parseInt(answers[CODING_SKILL_KEY], 10);
		codingSkill = isNaN(codingSkill) ? 0 : codingSkill;
	}

	let nodeTypes = [] as string[];
	if (isWorkAreaAnswer(IT_ENGINEERING_WORK_AREA)) {
		nodeTypes = nodeTypes.concat(WEBHOOK_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(SCHEDULE_TRIGGER_NODE_TYPE);
	}

	if (codingSkill !== null && codingSkill >= 4) {
		nodeTypes = nodeTypes.concat(CODE_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(ITEM_LISTS_NODE_TYPE);
	}

	if (codingSkill !== null && codingSkill < 3) {
		nodeTypes = nodeTypes.concat(IF_NODE_TYPE);
	} else {
		nodeTypes = nodeTypes.concat(SWITCH_NODE_TYPE);
	}

	if (companySize === COMPANY_SIZE_500_999 || companySize === COMPANY_SIZE_1000_OR_MORE) {
		if (isWorkAreaAnswer(SALES_BUSINESSDEV_WORK_AREA)) {
			nodeTypes = nodeTypes.concat(SALESFORCE_NODE_TYPE);
		} else if (isWorkAreaAnswer(SECURITY_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([ELASTIC_SECURITY_NODE_TYPE, HTTP_REQUEST_NODE_TYPE]);
		} else if (isWorkAreaAnswer(PRODUCT_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([JIRA_TRIGGER_NODE_TYPE, SEGMENT_NODE_TYPE]);
		} else if (isWorkAreaAnswer(IT_ENGINEERING_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([GITHUB_TRIGGER_NODE_TYPE, HTTP_REQUEST_NODE_TYPE]);
		} else {
			nodeTypes = nodeTypes.concat([MICROSOFT_EXCEL_NODE_TYPE, MICROSOFT_TEAMS_NODE_TYPE]);
		}
	} else {
		if (isWorkAreaAnswer(SALES_BUSINESSDEV_WORK_AREA)) {
			nodeTypes = nodeTypes.concat(CLEARBIT_NODE_TYPE);
		} else if (isWorkAreaAnswer(SECURITY_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([PAGERDUTY_NODE_TYPE, HTTP_REQUEST_NODE_TYPE]);
		} else if (isWorkAreaAnswer(PRODUCT_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([JIRA_TRIGGER_NODE_TYPE, CALENDLY_TRIGGER_NODE_TYPE]);
		} else if (isWorkAreaAnswer(IT_ENGINEERING_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([EXECUTE_COMMAND_NODE_TYPE, HTTP_REQUEST_NODE_TYPE]);
		} else if (isWorkAreaAnswer(FINANCE_WORK_AREA)) {
			nodeTypes = nodeTypes.concat([
				XERO_NODE_TYPE,
				QUICKBOOKS_NODE_TYPE,
				SPREADSHEET_FILE_NODE_TYPE,
			]);
		} else {
			nodeTypes = nodeTypes.concat([EMAIL_SEND_NODE_TYPE, SLACK_NODE_TYPE]);
		}
	}

	nodeTypes = nodeTypes.concat(SET_NODE_TYPE);

	return nodeTypes;
}
