import { resolveUser } from "../../../../remote/resolve-user.js";
import { DAY } from "../../../../const.js";
import DeliverManager from "../../../../remote/activitypub/deliver-manager.js";
import { renderActivity } from "../../../../remote/activitypub/renderer/index.js";
import define from "../../define.js";
import { ApiError } from "../../error.js";
import { apiLogger } from "../../logger.js";
import deleteFollowing from "../../../../services/following/delete.js";
import create from "../../../../services/following/create.js";
import { getUser } from "../../common/getters.js";
import { Followings, Users } from "../../../../models/index.js";
import config from "../../../../config/index.js";
import { publishMainStream } from "../../../../services/stream.js";
import { parse } from "../../../../misc/acct.js";
export const meta = {
    tags: [
        "users"
    ],
    secure: true,
    requireCredential: true,
    limit: {
        duration: DAY,
        max: 5
    },
    errors: {
        noSuchMoveTarget: {
            message: "No such move target.",
            code: "NO_SUCH_MOVE_TARGET",
            id: "b5c90186-4ab0-49c8-9bba-a1f76c202ba4"
        },
        remoteAccountForbids: {
            message: "Remote account doesn't have proper 'Known As' alias. Did you remember to set it?",
            code: "REMOTE_ACCOUNT_FORBIDS",
            id: "b5c90186-4ab0-49c8-9bba-a1f766282ba4"
        },
        notRemote: {
            message: "User is not remote. You can only migrate to other instances.",
            code: "NOT_REMOTE",
            id: "4362f8dc-731f-4ad8-a694-be2a88922a24"
        },
        adminForbidden: {
            message: "Admins cant migrate.",
            code: "NOT_ADMIN_FORBIDDEN",
            id: "4362e8dc-731f-4ad8-a694-be2a88922a24"
        },
        noSuchUser: {
            message: "No such user.",
            code: "NO_SUCH_USER",
            id: "fcd2eef9-a9b2-4c4f-8624-038099e90aa5"
        },
        uriNull: {
            message: "User ActivityPup URI is null.",
            code: "URI_NULL",
            id: "bf326f31-d430-4f97-9933-5d61e4d48a23"
        },
        localUriNull: {
            message: "Local User ActivityPup URI is null.",
            code: "URI_NULL",
            id: "95ba11b9-90e8-43a5-ba16-7acc1ab32e71"
        },
        alreadyMoved: {
            message: "Account was already moved to another account.",
            code: "ALREADY_MOVED",
            id: "b234a14e-9ebe-4581-8000-074b3c215962"
        }
    }
};
export const paramDef = {
    type: "object",
    properties: {
        moveToAccount: {
            type: "string"
        }
    },
    required: [
        "moveToAccount"
    ]
};
function moveActivity(toUrl, fromUrl) {
    const activity = {
        id: null,
        actor: fromUrl,
        type: "Move",
        object: fromUrl,
        target: toUrl
    };
    return renderActivity(activity);
}
export default define(meta, paramDef, async (ps, user)=>{
    if (!ps.moveToAccount) throw new ApiError(meta.errors.noSuchMoveTarget);
    if (user.isAdmin) throw new ApiError(meta.errors.adminForbidden);
    if (user.movedToUri) throw new ApiError(meta.errors.alreadyMoved);
    const { username, host } = parse(ps.moveToAccount);
    if (!host) throw new ApiError(meta.errors.notRemote);
    const moveTo = await resolveUser(username, host).catch((e)=>{
        apiLogger.warn(`failed to resolve remote user: ${e}`);
        throw new ApiError(meta.errors.noSuchMoveTarget);
    });
    let fromUrl = user.uri;
    if (!fromUrl) {
        fromUrl = `${config.url}/users/${user.id}`;
    }
    let toUrl = moveTo.uri;
    if (!toUrl) {
        throw new ApiError(meta.errors.uriNull);
    }
    let allowed = false;
    moveTo.alsoKnownAs?.forEach((element)=>{
        if (fromUrl.includes(element)) allowed = true;
    });
    if (!(allowed && toUrl && fromUrl)) throw new ApiError(meta.errors.remoteAccountForbids);
    const updates = {};
    if (!toUrl) toUrl = "";
    updates.movedToUri = toUrl;
    updates.alsoKnownAs = user.alsoKnownAs?.concat(toUrl) ?? [
        toUrl
    ];
    await Users.update(user.id, updates);
    const iObj = await Users.pack(user.id, user, {
        detail: true,
        includeSecrets: true
    });
    const moveAct = moveActivity(toUrl, fromUrl);
    const dm = new DeliverManager(user, moveAct);
    dm.addFollowersRecipe();
    dm.execute();
    // Publish meUpdated event
    publishMainStream(user.id, "meUpdated", iObj);
    const followings = await Followings.findBy({
        followeeId: user.id
    });
    followings.forEach(async (following)=>{
        //if follower is local
        if (!following.followerHost) {
            const follower = await getUser(following.followerId).catch((e)=>{
                if (e.id === "15348ddd-432d-49c2-8a5a-8069753becff") throw new ApiError(meta.errors.noSuchUser);
                throw e;
            });
            await deleteFollowing(follower, user);
            try {
                await create(follower, moveTo);
            } catch (e) {
            /* empty */ }
        }
    });
    return iObj;
});
