import create from "../../../../services/following/create.js";
import define from "../../define.js";
import { ApiError } from "../../error.js";
import { getUser } from "../../common/getters.js";
import { Followings, Users } from "../../../../models/index.js";
import { IdentifiableError } from "../../../../misc/identifiable-error.js";
import { HOUR } from "../../../../const.js";
export const meta = {
    tags: [
        "following",
        "users"
    ],
    limit: {
        duration: HOUR,
        max: 100
    },
    requireCredential: true,
    kind: "write:following",
    errors: {
        noSuchUser: {
            message: "No such user.",
            code: "NO_SUCH_USER",
            id: "fcd2eef9-a9b2-4c4f-8624-038099e90aa5"
        },
        followeeIsYourself: {
            message: "Followee is yourself.",
            code: "FOLLOWEE_IS_YOURSELF",
            id: "26fbe7bb-a331-4857-af17-205b426669a9"
        },
        alreadyFollowing: {
            message: "You are already following that user.",
            code: "ALREADY_FOLLOWING",
            id: "35387507-38c7-4cb9-9197-300b93783fa0"
        },
        blocking: {
            message: "You are blocking that user.",
            code: "BLOCKING",
            id: "4e2206ec-aa4f-4960-b865-6c23ac38e2d9"
        },
        blocked: {
            message: "You are blocked by that user.",
            code: "BLOCKED",
            id: "c4ab57cc-4e41-45e9-bfd9-584f61e35ce0"
        }
    },
    res: {
        type: "object",
        optional: false,
        nullable: false,
        ref: "UserLite"
    }
};
export const paramDef = {
    type: "object",
    properties: {
        userId: {
            type: "string",
            format: "misskey:id"
        }
    },
    required: [
        "userId"
    ]
};
export default define(meta, paramDef, async (ps, user)=>{
    const follower = user;
    // 自分自身
    if (user.id === ps.userId) {
        throw new ApiError(meta.errors.followeeIsYourself);
    }
    // Get followee
    const followee = await getUser(ps.userId).catch((e)=>{
        if (e.id === "15348ddd-432d-49c2-8a5a-8069753becff") throw new ApiError(meta.errors.noSuchUser);
        throw e;
    });
    // Check if already following
    const exist = await Followings.exist({
        where: {
            followerId: follower.id,
            followeeId: followee.id
        }
    });
    if (exist) {
        throw new ApiError(meta.errors.alreadyFollowing);
    }
    try {
        await create(follower, followee);
    } catch (e) {
        if (e instanceof IdentifiableError) {
            if (e.id === "710e8fb0-b8c3-4922-be49-d5d93d8e6a6e") throw new ApiError(meta.errors.blocking);
            if (e.id === "3338392a-f764-498d-8855-db939dcf8c48") throw new ApiError(meta.errors.blocked);
        }
        throw e;
    }
    return await Users.pack(followee.id, user);
});