// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-nocheck

import { test, expect } from "vitest";
import { inlangLixPluginV1 } from "./inlangLixPluginV1.js";
import {
	newLixFile,
	openLixInMemory,
	type Change,
	type NewChange,
} from "@lix-js/sdk";

test.skip("a create operation should not report a conflict given that the change does not exist in target", async () => {
	const targetLix = await openLixInMemory({ blob: await newLixFile() });
	const sourceLix = await openLixInMemory({ blob: await newLixFile() });
	const changes = await sourceLix.db
		.insertInto("change")
		.values([
			{
				id: "1",
				parent_id: undefined,
				operation: "create",
				file_id: "mock",
				plugin_key: "mock",
				type: "mock",
				value: { id: "change 1" },
			},
		])
		.returningAll()
		.execute();
	const conflicts = await inlangLixPluginV1.detectConflicts!({
		sourceLix,
		targetLix,
		leafChangesOnlyInSource: changes,
	});
	expect(conflicts).toHaveLength(0);
});

test.todo(
	"it should report deletions as a conflict if the parent of the target and source are not identical",
	async () => {
		const targetLix = await openLixInMemory({ blob: await newLixFile() });
		await targetLix.db
			.insertInto("change")
			.values([
				{
					id: "1",
					parent_id: undefined,
					operation: "create",
					file_id: "mock",
					plugin_key: "mock",
					type: "mock",
					value: {
						id: "change 1",
					},
				},
			])
			.execute();

		const sourceLix = await openLixInMemory({ blob: await targetLix.toBlob() });

		const changesNotInTarget: NewChange[] = [
			{
				id: "2",
				parent_id: "1",
				operation: "delete",
				file_id: "mock",
				plugin_key: "mock",
				type: "mock",
				value: undefined,
			},
		];

		await sourceLix.db
			.insertInto("change")
			.values(changesNotInTarget)
			.execute();

		const conflicts = await inlangLixPluginV1.detectConflicts!({
			sourceLix,
			targetLix,
			leafChangesOnlyInSource: changesNotInTarget as Change[],
		});
		expect(conflicts).toHaveLength(1);
		expect(conflicts[0]?.change_id).toBe("1");
		expect(conflicts[0]?.conflicting_change_id).toBe("2");
		throw new Error("The parent is identicak, fix this test");
	}
);

test.skip("it should report an UPDATE as a conflict if leaf changes are conflicting", async () => {
	const targetLix = await openLixInMemory({ blob: await newLixFile() });
	const sourceLix = await openLixInMemory({ blob: await targetLix.toBlob() });

	const commonChanges: NewChange[] = [
		{
			id: "12s",
			parent_id: undefined,
			operation: "create",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 12s",
			},
		},
	];

	const changesOnlyInTarget: NewChange[] = [
		{
			id: "3sd",
			parent_id: "12s",
			operation: "update",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 3sd",
			},
		},
	];

	const changesOnlyInSource: NewChange[] = [
		{
			id: "2qa",
			parent_id: "12s",
			operation: "update",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 2qa",
			},
		},
	];

	await sourceLix.db
		.insertInto("change")
		.values([...commonChanges, ...changesOnlyInSource])
		.execute();

	await targetLix.db
		.insertInto("change")
		.values([...commonChanges, ...changesOnlyInTarget])
		.execute();

	const conflicts = await inlangLixPluginV1.detectConflicts!({
		leafChangesOnlyInSource: changesOnlyInSource as Change[],
		sourceLix: sourceLix,
		targetLix: targetLix,
	});

	expect(conflicts).toHaveLength(1);
});

/**
 * If the common ancestor is the leaf change of the target, then the
 * source change are (likely) not a conflict because no update has
 * been made to the target change that could conflict with updates
 * in the source.
 */
test.skip("it should NOT report an UPDATE as a conflict if the common ancestor is the leaf change of the target", async () => {
	const targetLix = await openLixInMemory({ blob: await newLixFile() });
	const sourceLix = await openLixInMemory({ blob: await targetLix.toBlob() });

	const commonChanges: NewChange[] = [
		{
			id: "12s",
			parent_id: undefined,
			operation: "create",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 12s",
			},
		},
	];

	const changesOnlyInTarget: NewChange[] = [
		{
			id: "3sd",
			parent_id: "12s",
			operation: "update",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 3sd",
			},
		},
		{
			id: "23a",
			parent_id: "3sd",
			operation: "update",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "change 23a",
			},
		},
	];

	const changesOnlyInSource: NewChange[] = [];

	await sourceLix.db
		.insertInto("change")
		.values([...commonChanges, ...changesOnlyInSource])
		.execute();

	await targetLix.db
		.insertInto("change")
		.values([...commonChanges, ...changesOnlyInTarget])
		.execute();

	const conflicts = await inlangLixPluginV1.detectConflicts!({
		leafChangesOnlyInSource: changesOnlyInSource as Change[],
		sourceLix: sourceLix,
		targetLix: targetLix,
	});

	expect(conflicts).toHaveLength(0);
});

test.skip("it should NOT report a DELETE as a conflict if the parent of the target and source are identical", async () => {
	const targetLix = await openLixInMemory({ blob: await newLixFile() });
	await targetLix.db
		.insertInto("change")
		.values([
			{
				id: "12s",
				parent_id: undefined,
				operation: "create",
				file_id: "mock",
				plugin_key: "mock",
				type: "mock",
				value: {
					id: "change 12s",
				},
			},
		])
		.execute();

	const sourceLix = await openLixInMemory({ blob: await targetLix.toBlob() });

	const changesNotInTarget: NewChange[] = [
		{
			id: "3sd",
			parent_id: "12s",
			operation: "delete",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: undefined,
		},
	];

	const changesNotInSource: NewChange[] = [
		{
			id: "2qa",
			parent_id: "12s",
			operation: "update",
			file_id: "mock",
			plugin_key: "mock",
			type: "mock",
			value: {
				id: "2qa",
			},
		},
	];

	await sourceLix.db.insertInto("change").values(changesNotInTarget).execute();

	await targetLix.db.insertInto("change").values(changesNotInSource).execute();

	const conflicts = await inlangLixPluginV1.detectConflicts!({
		sourceLix,
		targetLix,
		leafChangesOnlyInSource: changesNotInTarget as Change[],
	});

	expect(conflicts).toHaveLength(1);
	expect(conflicts[0]?.change_id).toBe("2qa");
	expect(conflicts[0]?.conflicting_change_id).toBe("3sd");
});