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// SPDX-License-Identifier: AGPL-3.0-only
// Copyright 2026 Shota FUJI
//
// This program is free software: you can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
// PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License along
// with this program.  If not, see <http://www.gnu.org/licenses/>.

const std = @import("std");

const Elm = @import("./build/Elm.zig");

pub fn build(b: *std.Build) !void {
    const optimize = b.standardOptimizeOption(.{});

    const elm_main = elm_main: {
        const compile = Elm.init(b, .{
            .optimize = optimize,
        });

        compile.addElmSourceFile(b.path("src/Main.elm"));

        break :elm_main compile.output_js;
    };

    const index_html = index_html: {
        const html = b.path("src/index.html");

        break :index_html html;
    };

    const dist = dist: {
        const dir = b.addWriteFiles();

        _ = dir.addCopyFile(index_html, "index.html");
        _ = dir.addCopyFile(elm_main, "main.js");

        break :dist dir;
    };

    // デフォルトインストール
    {
        const install = b.addInstallDirectory(.{
            .source_dir = dist.getDirectory(),
            .install_dir = .{ .custom = "" },
            .install_subdir = "",
        });

        b.default_step.dependOn(&install.step);
    }
}