import { Feed } from "feed";
import { In, IsNull } from "typeorm";
import config from "../../config/index.js";
import { Notes, DriveFiles, UserProfiles, Users } from "../../models/index.js";
export default async function(user, threadDepth = 5, history = 20, noteintitle = false, renotes = true, replies = true) {
    const author = {
        link: `${config.url}/@${user.username}`,
        email: `${user.username}@${config.domain}`,
        name: user.name || user.username
    };
    const profile = await UserProfiles.findOneByOrFail({
        userId: user.id
    });
    const searchCriteria = {
        userId: user.id,
        visibility: In([
            "public",
            "home"
        ])
    };
    if (!renotes) {
        searchCriteria.renoteId = IsNull();
    }
    if (!replies) {
        searchCriteria.replyId = IsNull();
    }
    const notes = await Notes.find({
        where: searchCriteria,
        order: {
            createdAt: -1
        },
        take: history
    });
    const feed = new Feed({
        id: author.link,
        title: `${author.name} (@${user.username}@${config.domain})`,
        updated: notes[0].createdAt,
        generator: "FrozenFriendsYume",
        description: `${user.notesCount} Notes, ${profile.ffVisibility === "public" ? user.followingCount : "?"} Following, ${profile.ffVisibility === "public" ? user.followersCount : "?"} Followers${profile.description ? ` · ${profile.description}` : ""}`,
        link: author.link,
        image: await Users.getAvatarUrl(user),
        feedLinks: {
            json: `${author.link}.json`,
            atom: `${author.link}.atom`
        },
        author,
        copyright: user.name || user.username
    });
    for (const note of notes){
        let contentStr = await noteToString(note, true);
        let next = note.renoteId ? note.renoteId : note.replyId;
        let depth = threadDepth;
        while(depth > 0 && next){
            const finding = await findById(next);
            contentStr += finding.text;
            next = finding.next;
            depth -= 1;
        }
        let title = `${author.name} `;
        if (note.renoteId) {
            title += "renotes";
        } else if (note.replyId) {
            title += "replies";
        } else {
            title += "says";
        }
        if (noteintitle) {
            const content = note.cw ?? note.text;
            if (content) {
                title += `: ${content}`;
            } else {
                title += "something";
            }
        }
        feed.addItem({
            title: title.replace(/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]/g, "").substring(0, 100),
            link: `${config.url}/notes/${note.id}`,
            date: note.createdAt,
            description: note.cw ? note.cw.replace(/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]/g, "") : undefined,
            content: contentStr.replace(/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]/g, "")
        });
    }
    async function noteToString(note, isTheNote = false) {
        const author = isTheNote ? null : await Users.findOneBy({
            id: note.userId
        });
        let outstr = author ? `${author.name}(@${author.username}@${author.host ? author.host : config.host}) ${note.renoteId ? "renotes" : note.replyId ? "replies" : "says"}: <br>` : "";
        const files = note.fileIds.length > 0 ? await DriveFiles.findBy({
            id: In(note.fileIds)
        }) : [];
        let fileEle = "";
        for (const file of files){
            if (file.type.startsWith("image/")) {
                fileEle += ` <br><img src="${DriveFiles.getPublicUrl(file)}">`;
            } else if (file.type.startsWith("audio/")) {
                fileEle += ` <br><audio controls src="${DriveFiles.getPublicUrl(file)}" type="${file.type}">`;
            } else if (file.type.startsWith("video/")) {
                fileEle += ` <br><video controls src="${DriveFiles.getPublicUrl(file)}" type="${file.type}">`;
            } else {
                fileEle += ` <br><a href="${DriveFiles.getPublicUrl(file)}" download="${file.name}">${file.name}</a>`;
            }
        }
        outstr += `${note.cw ? note.cw + "<br>" : ""}${note.text || ""}${fileEle}`;
        if (isTheNote) {
            outstr += ` <span class="${note.renoteId ? "renote_note" : note.replyId ? "reply_note" : "new_note"} ${fileEle.indexOf("img src") !== -1 ? "with_img" : "without_img"}"></span>`;
        }
        return outstr;
    }
    async function findById(id) {
        let text = "";
        let next = null;
        const findings = await Notes.findOneBy({
            id: id,
            visibility: In([
                "public",
                "home"
            ])
        });
        if (findings) {
            text += `<hr>`;
            text += await noteToString(findings);
            next = findings.renoteId ? findings.renoteId : findings.replyId;
        }
        return {
            text,
            next
        };
    }
    return feed;
}