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// SPDX-FileCopyrightText: 2024 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: AGPL-3.0-only

import "../../../polyfill.ts";

import * as proto from "@bufbuild/protobuf";
import { DateSchema } from "@yamori/proto/yamori/type/v1/date_pb.js";
import { type WorkspaceSchema } from "@yamori/proto/yamori/workspace/v1/workspace_pb.js";

export function serializeDate(
	date: Omit<proto.MessageShape<typeof DateSchema>, `$${string}`>,
): string {
	return `${date.year}-${date.month.toString().padStart(2, "0")}-${date.day.toString().padStart(2, "0")}`;
}

export function deserializeDate(
	str: string,
): proto.MessageShape<typeof DateSchema> | null {
	const [yyyy, mm, dd] = str.split("-");
	if (!yyyy || !mm || !dd) {
		return null;
	}

	const year = parseInt(yyyy.replace(/^0*/, ""), 10);
	const month = parseInt(mm.replace(/^0*/, ""), 10);
	const day = parseInt(dd.replace(/^0*/, ""), 10);

	if (!isFinite(year) || !isFinite(month) || !isFinite(day)) {
		return null;
	}

	return proto.create(DateSchema, { year, month, day });
}

export interface HrefInput {
	workspace: proto.MessageShape<typeof WorkspaceSchema>;

	since?: proto.MessageShape<typeof DateSchema>;
	until?: proto.MessageShape<typeof DateSchema>;
}

export function buildSearchParams({ since, until }: Pick<HrefInput, "since" | "until">) {
	const searchParams = new URLSearchParams();

	if (since) {
		searchParams.set("since", serializeDate(since));
	}

	if (until) {
		searchParams.set("until", serializeDate(until));
	}

	return searchParams;
}

export function href({ workspace, since, until }: HrefInput): string {
	if (!workspace.id) {
		return "/";
	}

	const base = `/${workspace.id.value}/summary`;
	const searchParams = buildSearchParams({ since, until });

	return searchParams.size > 0 ? base + "?" + searchParams : base;
}

export const pattern = new URLPattern({
	pathname: "/:workspace/summary",
});