import { publishMainStream, publishUserEvent } from "../stream.js";
import { renderActivity } from "../../remote/activitypub/renderer/index.js";
import renderFollow from "../../remote/activitypub/renderer/follow.js";
import renderUndo from "../../remote/activitypub/renderer/undo.js";
import { renderBlock } from "../../remote/activitypub/renderer/block.js";
import { deliver } from "../../queue/index.js";
import renderReject from "../../remote/activitypub/renderer/reject.js";
import { Blockings, Users, FollowRequests, Followings, UserListJoinings, UserLists } from "../../models/index.js";
import { perUserFollowingChart } from "../chart/index.js";
import { genId } from "../../misc/gen-id.js";
import { getActiveWebhooks } from "../../misc/webhook-cache.js";
import { webhookDeliver } from "../../queue/index.js";
export default async function(blocker, blockee, groupId = null) {
    await Promise.all([
        cancelRequest(blocker, blockee),
        cancelRequest(blockee, blocker),
        unFollow(blocker, blockee),
        unFollow(blockee, blocker),
        removeFromList(blockee, blocker)
    ]);
    const blocking = {
        id: genId(),
        createdAt: new Date(),
        blocker,
        blockerId: blocker.id,
        blockee,
        blockeeId: blockee.id,
        groupId
    };
    await Blockings.insert(blocking);
    if (Users.isLocalUser(blocker) && Users.isRemoteUser(blockee)) {
        const content = renderActivity(renderBlock(blocking));
        deliver(blocker, content, blockee.inbox);
    }
}
async function cancelRequest(follower, followee) {
    const request = await FollowRequests.findOneBy({
        followeeId: followee.id,
        followerId: follower.id
    });
    if (request == null) {
        return;
    }
    await FollowRequests.delete({
        followeeId: followee.id,
        followerId: follower.id
    });
    if (Users.isLocalUser(followee)) {
        Users.pack(followee, followee, {
            detail: true
        }).then((packed)=>publishMainStream(followee.id, "meUpdated", packed));
    }
    if (Users.isLocalUser(follower)) {
        Users.pack(followee, follower, {
            detail: true
        }).then(async (packed)=>{
            publishUserEvent(follower.id, "unfollow", packed);
            publishMainStream(follower.id, "unfollow", packed);
            const webhooks = (await getActiveWebhooks()).filter((x)=>x.userId === follower.id && x.on.includes("unfollow"));
            for (const webhook of webhooks){
                webhookDeliver(webhook, "unfollow", {
                    user: packed
                });
            }
        });
    }
    // リモートにフォローリクエストをしていたらUndoFollow送信
    if (Users.isLocalUser(follower) && Users.isRemoteUser(followee)) {
        const content = renderActivity(renderUndo(renderFollow(follower, followee), follower));
        deliver(follower, content, followee.inbox);
    }
    // リモートからフォローリクエストを受けていたらReject送信
    if (Users.isRemoteUser(follower) && Users.isLocalUser(followee)) {
        const content = renderActivity(renderReject(renderFollow(follower, followee, request.requestId), followee));
        deliver(followee, content, follower.inbox);
    }
}
async function unFollow(follower, followee) {
    const following = await Followings.findOneBy({
        followerId: follower.id,
        followeeId: followee.id
    });
    if (following == null) {
        return;
    }
    await Promise.all([
        Followings.delete(following.id),
        Users.decrement({
            id: follower.id
        }, "followingCount", 1),
        Users.decrement({
            id: followee.id
        }, "followersCount", 1),
        perUserFollowingChart.update(follower, followee, false)
    ]);
    // Publish unfollow event
    if (Users.isLocalUser(follower)) {
        Users.pack(followee, follower, {
            detail: true
        }).then(async (packed)=>{
            publishUserEvent(follower.id, "unfollow", packed);
            publishMainStream(follower.id, "unfollow", packed);
            const webhooks = (await getActiveWebhooks()).filter((x)=>x.userId === follower.id && x.on.includes("unfollow"));
            for (const webhook of webhooks){
                webhookDeliver(webhook, "unfollow", {
                    user: packed
                });
            }
        });
    }
    // リモートにフォローをしていたらUndoFollow送信
    if (Users.isLocalUser(follower) && Users.isRemoteUser(followee)) {
        const content = renderActivity(renderUndo(renderFollow(follower, followee), follower));
        deliver(follower, content, followee.inbox);
    }
}
async function removeFromList(listOwner, user) {
    const userLists = await UserLists.findBy({
        userId: listOwner.id
    });
    for (const userList of userLists){
        await UserListJoinings.delete({
            userListId: userList.id,
            userId: user.id
        });
    }
}