#!/usr/bin/env narwhal

var FILE = require("file"),
    SYSTEM = require("system"),
    OS = require("os"),
    ObjectiveJ = require("objective-j");

var parser = new (require("narwhal/args").Parser)();

parser.usage("file...");
parser.help("Cappuccino plist converter.");

parser.option("-c", "--convert", "format")
    .help("rewrite property list files in format")
    .choices({
        "280north1" : CFPropertyList.Format280North_v1_0,
        "xml1": CFPropertyList.FormatXML_v1_0
    });

parser.option("-l", "--lint", "lint")
    .help("check the property list files for syntax errors")
    .set(true);

parser.option("-h", "--help")
    .action(parser.printHelp);

parser.option("-o", "outPath")
    .help("specify alternate file path name for result;\n\
the -o option is used with -convert, and is only\n\
useful with one file argument (last file overwrites);\n\
the path '-' means stdout.")
    .set();

parser.option("-e", "outExtension")
    .help("specify alternate extension for converted files")
    .set();

parser.option("-s", "silent")
    .help("be silent on success")
    .set(true);

exports.main = function(args)
{
    // HACK: add extra "-" to "-convert", etc, for plutil compatibility
    var args = args.map(function(arg) { return arg.replace(/^(-[^-].+)$/, "-$1"); });
    var options = parser.parse(args);

    var ok = false;

    if (typeof options.format !== "undefined" || options.lint)
    {
        ok = true;
        options.args.forEach(function(filePath)
        {
            var plistObject = CFPropertyList.propertyListFromString(FILE.read(filePath, { charset:"UTF-8" }));

            if (!plistObject)
            {
                SYSTEM.stderr.print("Could not recognize format of plist at " + filePath);
                ok = false;
                return;
            }

            if (options.lint)
            {
                if (!options.silent)
                    SYSTEM.stderr.print(filePath + ": OK");
            }
            else
            {
                var string = CFPropertyList.stringFromPropertyList(plistObject, options.format);

                // outextension?
                if (options.outPath === "-")
                    SYSTEM.stdout.write(string);
                else
                    FILE.write(options.outPath || filePath, string, { charset:"UTF-8" });
            }
        });
    }
    else
    {
        parser.printHelp(options);
    }

    OS.exit(ok ? 0 : 1);
}

if (require.main == module.id)
    exports.main(system.args);