import deleteBlocking from "@/services/blocking/delete.js";
import define from "../../define.js";
import { ApiError } from "../../error.js";
import { getUser } from "../../common/getters.js";
import { Blockings, Users } from "@/models/index.js";
import { HOUR } from "@/const.js";

export const meta = {
	tags: ["account"],

	limit: {
		duration: HOUR,
		max: 100,
	},

	requireCredential: true,

	kind: "write:blocks",

	errors: {
		noSuchUser: {
			message: "No such user.",
			code: "NO_SUCH_USER",
			id: "8621d8bf-c358-4303-a066-5ea78610eb3f",
		},

		blockeeIsYourself: {
			message: "Blockee is yourself.",
			code: "BLOCKEE_IS_YOURSELF",
			id: "06f6fac6-524b-473c-a354-e97a40ae6eac",
		},

		notBlocking: {
			message: "You are not blocking that user.",
			code: "NOT_BLOCKING",
			id: "291b2efa-60c6-45c0-9f6a-045c8f9b02cd",
		},
	},

	res: {
		type: "object",
		optional: false,
		nullable: false,
		ref: "UserDetailedNotMe",
	},
} as const;

export const paramDef = {
	type: "object",
	properties: {
		userId: { type: "string", format: "misskey:id" },
	},
	required: ["userId"],
} as const;

export default define(meta, paramDef, async (ps, user) => {
	const blocker = await Users.findOneByOrFail({ id: user.id });

	// Check if the blockee is yourself
	if (user.id === ps.userId) {
		throw new ApiError(meta.errors.blockeeIsYourself);
	}

	// Get blockee
	const blockee = await getUser(ps.userId).catch((e) => {
		if (e.id === "15348ddd-432d-49c2-8a5a-8069753becff")
			throw new ApiError(meta.errors.noSuchUser);
		throw e;
	});

	// Check not blocking
	const exist = await Blockings.exist({
		where: {
			blockerId: blocker.id,
			blockeeId: blockee.id,
		},
	});

	if (!exist) {
		throw new ApiError(meta.errors.notBlocking);
	}

	// Delete blocking
	await deleteBlocking(blocker, blockee);

	return await Users.pack(blockee.id, blocker, {
		detail: true,
	});
});
