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// Copyright 2026 Shota FUJI
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//
// SPDX-License-Identifier: MPL-2.0

const Options = @This();

const std = @import("std");
const config = @import("config");

app_dir: std.Io.Dir,

pub const InitError = std.Io.Dir.OpenError;

pub fn init(io: std.Io, environ_map: *const std.process.Environ.Map) InitError!Options {
    const app_dir = app_dir: {
        if (config.dir_env) |dir_env| {
            if (environ_map.get(dir_env)) |path| {
                const base = try std.Io.Dir.cwd().openDir(io, path, .{});
                defer base.close(io);

                errdefer std.log.info("App directory = {s}/timetracker", .{path});

                break :app_dir try base.openDir(io, "timetracker", .{});
            }
        }

        errdefer std.log.info("App directory = $PWD/.timetracker", .{});
        break :app_dir try std.Io.Dir.cwd().openDir(io, ".timetracker", .{});
    };

    return .{
        .app_dir = app_dir,
    };
}

pub fn deinit(self: Options, io: std.Io) void {
    self.app_dir.close(io);
}