// oh boy
/* eslint-disable @typescript-eslint/no-explicit-any */

import { GoalDocument } from "tachi-common";
import db from "external/mongo/db";
import CreateLogCtx from "../../src/common/logger";
import MigrateRecords from "./migrate";

const logger = CreateLogCtx(__filename);

function ConvertFn(c: any): GoalDocument | null {
	let charts: GoalDocument["charts"];

	if (c.directChartID) {
		charts = {
			type: "single",
			data: c.directChartID,
		};
	} else if (c.directChartIDs) {
		charts = {
			type: "multi",
			data: c.directChartIDs,
		};
	} else if (c.chartQuery) {
		logger.warn(`Skipped goal ${c.title}, as it used cQuery.`);
		return null;
	} else {
		logger.warn(`Any Goal ${c.goalID}, ${c.title}. Skipping.`);
		return null;
	}

	const partialCriteria: Partial<GoalDocument["criteria"]> = {
		mode: "single",
	};

	if (c.scoreQuery["scoreData¬lampIndex"]) {
		partialCriteria.key = "scoreData.lampIndex";
	} else if (c.scoreQuery["scoreData¬gradeIndex"]) {
		partialCriteria.key = "scoreData.gradeIndex";
	} else if (c.scoreQuery["scoreData¬score"]) {
		partialCriteria.key = "scoreData.score";
	} else if (c.scoreQuery["scoreData¬percent"]) {
		partialCriteria.key = "scoreData.percent";
	} else {
		throw new Error(`Invalid goal ${c.goalID} ${c.title}.`);
	}

	const v = c.scoreQuery[partialCriteria.key.replace(/\./gu, "¬")];

	const value = v ? v["~gte"] : undefined;

	// would break for value == 0, but a goal would never be
	// zero.
	if (!value) {
		throw new Error(`Invalid goal ${c.goalID} ${c.title}.`);
	}

	partialCriteria.value = value;

	// @ts-expect-error ts cant resolve this union properly
	const newGoalDoc: GoalDocument = {
		game: c.game,
		playtype: c.playtype,
		title: c.title,
		timeAdded: c.timeAdded,
		goalID: c.goalID, // maybe
		createdBy: c.createdBy,
		charts,
		criteria: partialCriteria as GoalDocument["criteria"],
	};

	return newGoalDoc;
}

(async () => {
	await MigrateRecords(db.goals, "goals", ConvertFn);

	process.exit(0);
})();