import type { KVs } from "../core.js";
import Chart from "../core.js";
import { Notes } from "@/models/index.js";
import { Not, IsNull } from "typeorm";
import type { Note } from "@/models/entities/note.js";
import { name, schema } from "./entities/notes.js";

/**
 * ノートに関するチャート
 */

export default class NotesChart extends Chart<typeof schema> {
	constructor() {
		super(name, schema);
	}

	protected async tickMajor(): Promise<Partial<KVs<typeof schema>>> {
		const [localCount, remoteCount] = await Promise.all([
			Notes.countBy({ userHost: IsNull() }),
			Notes.countBy({ userHost: Not(IsNull()) }),
		]);

		return {
			"local.total": localCount,
			"remote.total": remoteCount,
		};
	}

	protected async tickMinor(): Promise<Partial<KVs<typeof schema>>> {
		return {};
	}

	public async update(note: Note, isAdditional: boolean): Promise<void> {
		const prefix = note.userHost === null ? "local" : "remote";

		await this.commit({
			[`${prefix}.total`]: isAdditional ? 1 : -1,
			[`${prefix}.inc`]: isAdditional ? 1 : 0,
			[`${prefix}.dec`]: isAdditional ? 0 : 1,
			[`${prefix}.diffs.normal`]:
				note.replyId == null && note.renoteId == null
					? isAdditional
						? 1
						: -1
					: 0,
			[`${prefix}.diffs.renote`]:
				note.renoteId != null ? (isAdditional ? 1 : -1) : 0,
			[`${prefix}.diffs.reply`]:
				note.replyId != null ? (isAdditional ? 1 : -1) : 0,
			[`${prefix}.diffs.withFile`]:
				note.fileIds.length > 0 ? (isAdditional ? 1 : -1) : 0,
		});
	}
}