const path = require("path");

module.exports = grunt => {
    grunt.initConfig({
        pkg: grunt.file.readJSON("package.json"),
        clean: {
            default: ["dist/"],
        },
        copy: {
            html: {
                files: [{expand: true, cwd: "src/main/", src: "**/*.html", dest: "dist/", flatten: true}]
            },
        },
        focus: {
            dev: {
                include: ["html"],
            },
        },
        replace: {
            dev: {
                src: ["./dist/**/*.html"],
                replacements: [
                    {
                        from: "%%VERSION_NUMBER%%",
                        to: "<%= pkg.version %>+" + new Date().toISOString().slice(0, 19).replace(/[-:T]/g, "")
                    }
                ],
                overwrite: true
            },
            deploy: {
                src: ["./dist/*.html"],
                replacements: [
                    {
                        from: "%%VERSION_NUMBER%%",
                        to: "<%= pkg.version %>"
                    }
                ],
                overwrite: true
            },
        },
        watch: {
            html: {
                files: ["src/main/**/*.html"],
                tasks: ["copy:html", "replace:dev"],
            },
        },
    });

    grunt.loadNpmTasks("grunt-contrib-clean");
    grunt.loadNpmTasks("grunt-contrib-copy");
    grunt.loadNpmTasks("grunt-contrib-watch");
    grunt.loadNpmTasks("grunt-focus");
    grunt.loadNpmTasks("grunt-text-replace");

    grunt.registerTask("dev", [
        // Pre
        "clean",
        // Copy files
        "copy:html",
        // Insert version number
        "replace:dev",
    ]);
    grunt.registerTask("dev:server", ["dev", "focus:dev"]);
    grunt.registerTask("deploy", [
        // Pre
        "clean",
        // Copy files
        "copy:html",
        // Insert version number
        "replace:deploy",
    ]);

    grunt.registerTask("default", ["dev"]);
};