/** 
  the application
  -- in theory this code  can be used as a library... but this is the standard command line version...
  
  
  valac  --vapidir=/usr/share/vala/vapi 
     --vapidir=/usr/share/vala/vapi 
    --vapidir=/usr/share/vala-0.30/vapi 
        --thread  -g  
      JSDOC/Lang.vala JSDOC/TextStream.vala JSDOC/TokenReader.vala JSDOC/Token.vala JSDOC/TokenStream.vala JSDOC/Packer.vala 
      JSDOC/Collapse.vala JSDOC/ScopeParser.vala JSDOC/Scope.vala JSDOC/Identifier.vala JSDOC/CompressWhite.vala 
       JSDOC/PackerRun.vala --pkg glib-2.0 --pkg gee-1.0 --pkg gio-2.0 --pkg posix -o /tmp/jspack --target-glib=2.32  -X -lm

  
*/

namespace JSDOC
{
	// --------------- <<<<<<< <MAIN HERE....
	
#if HAVE_OLD_GLIB
	class PackerRun : Object 
#else
	class PackerRun : Application  	
#endif
	{
		public static string opt_target = null;
		public static string opt_debug_target = null;
//		public static string opt_tmpdir = null;
		private static string opt_basedir = null;
		
		/**
		* @cfg baseDir -- prefix the files listed in indexfiles with this.
		*/
		 
		public static string opt_real_basedir = null; // USE this one it's calcuated based on current path..
		
		public static string opt_doc_target = null;
		public static string opt_doc_template_dir = null;
		public static bool opt_doc_include_private = false;		
				
		[CCode (array_length = false, array_null_terminated = true)]
		private static string[]? opt_files = null;
		[CCode (array_length = false, array_null_terminated = true)]
		private static string[]? opt_files_from = null;
		
		
		public static bool opt_debug = false;
		
		 /**
		 * @cfg {Boolean} opt_skip_scope (optional) skip Scope parsing and replacement.
		 *    usefull for debugging...
		 */
		public static bool opt_skip_scope = false;
		
		/**
		 * @cfg {Boolean} opt_keep_whitespace (optional) do not remove white space in output.
		 *    usefull for debugging compressed files.
		 */
		
		public static bool opt_keep_whitespace = false;	
		
			/**
		 * @cfg {Boolean} opt_dump_tokens (optional) read the first file and dump the tokens.
		 *    usefull for debugging...
		 */
		
		public static bool opt_dump_tokens = false;	
		
		  
		/**
		 * @cfg {Boolean} opt_clean_cache  (optional) clean up temp files after done - 
		 *    Defaults to false if you set tmpDir, otherwise true.
		 */
		
		public static bool opt_clean_cache = true;	
		
		// not actually an option yet..
		
		public static string opt_doc_ext = "html";
		
		const OptionEntry[] options = {
		
			{ "jsfile", 'f', 0, OptionArg.FILENAME_ARRAY, ref opt_files ,"add a file to compile", null },
			{ "target", 't', 0, OptionArg.STRING, ref opt_target, "Target File to write (eg. roojs.js)", null },
			{ "debug-target", 'T', 0, OptionArg.STRING, ref opt_debug_target, "Target File to write debug code (eg. roojs-debug.js)", null },
			//{ "tmpdir", 'm', 0, OptionArg.STRING, ref opt_tmpdir, "Temporary Directory to use (defaults to /tmp)", null },
			{ "basedir", 'b', 0, OptionArg.STRING, ref opt_basedir, "Base directory (where the files listed in index files are located.)", null },

			{ "index-files", 'i', 0, OptionArg.FILENAME_ARRAY, ref opt_files_from ,"files that contain listing of files to compile", null },		 
			{ "keep-whitespace", 'w', 0, OptionArg.NONE, ref opt_keep_whitespace, "Keep whitespace", null },
			{ "skip-scope", 's', 0, OptionArg.NONE, ref opt_skip_scope, "Skip scope parsing and variable replacement", null },
			{ "debug", 0, 0, OptionArg.NONE, ref opt_debug, "Show debug messages", null },
			{ "dump-tokens", 'k', 0, OptionArg.NONE, ref opt_dump_tokens, "Dump the tokens from a file", null },
			{ "clean-cache", 'c', 0, OptionArg.NONE, ref opt_clean_cache, "Clean up the cache after running (slower)", null },

			// fixme -- keepwhite.. cleanup 
			
			// documentation options
			// usage: roojspacker --basedir roojs1 \
			//       --doc-target roojs1/docs \
			//       --index-files roojs1/buildSDK/dependancy_core.txt  \
			//       --index-files roojs1/buildSDK/dependancy_ui.txt  \
			//       --index-files roojs1/buildSDK/dependancy_bootstrap.txt  \
			//       --doc-template-dir\
			
			
			{ "doc-target", 'd', 0, OptionArg.STRING, ref opt_doc_target, "Documentation Directory target", null },
			{ "doc-template-dir", 'p', 0, OptionArg.STRING, ref opt_doc_template_dir, "Documentation Directory target", null },
			{ "doc-private", 'p', 0, OptionArg.NONE, ref opt_doc_include_private, "Document Private functions", null },						
			
			
			
			{ null }
		};
		 

	
		public PackerRun (string[] args)
		{
#if !HAVE_OLD_GLIB		
			Object(
			    application_id: "org.roojs.jsdoc.packerrun",
				flags: ApplicationFlags.HANDLES_COMMAND_LINE 
			);
#endif					 
			 
			
			// what's required...
			if (opt_debug) {
				GLib.Log.set_handler(null, 
					GLib.LogLevelFlags.LEVEL_DEBUG | GLib.LogLevelFlags.LEVEL_WARNING, 
					(dom, lvl, msg) => {
					print("%s: %s\n", dom, msg);
				});
			}
			
			
		
  
  
			 
			// set the base directory...
			var curdir = Environment.get_current_dir() + Path.DIR_SEPARATOR_S;
			if (opt_basedir == null) {

				opt_real_basedir = curdir;
			} else if (opt_basedir[0] == '/') {	
				opt_real_basedir  = opt_basedir;
			} else {
				opt_real_basedir  = curdir + opt_basedir;
			}
			// suffix a slash..
			if (opt_real_basedir [opt_real_basedir .length-1].to_string() != Path.DIR_SEPARATOR_S) {
				opt_real_basedir  += Path.DIR_SEPARATOR_S;
			}
			
			GLib.debug("real_base_dir  = '%s' : opt_basedir ='%s'\n", opt_real_basedir , opt_basedir);
			
			
			if (opt_files == null && opt_files_from == null) {
				GLib.error("You must list some files with -f or -i to compile - see --help for more details");
				GLib.Process.exit(1);
			}
			
			
				// now run the Packer...
			var p = new Packer(			);
			
			
			if (opt_files != null) {
			 
				foreach (var  f in opt_files) {
					GLib.debug("Adding File %s", f);
					p.loadFile(f);
				}
			}  
			if (opt_files_from != null) {
			 
				foreach (var  f in opt_files_from) {
					GLib.debug("Adding File %s", f);
					p.loadSourceIndex(f);
				}
			}  
			
			var run_pack = false;
			if (opt_target != null || opt_debug_target != null || opt_dump_tokens) {
			
				p.pack(	opt_target == null ? "" : opt_target ,
						opt_debug_target == null ? "" :  opt_debug_target );
		        
		    	if (p.outstr.length > 0 ) {
					stdout.printf ("%s", p.outstr);
				}
	        }
	        if (opt_doc_target != null) {
	    		//var d = new DocBuilder(p);
	        }
	        
	        
	        
	        
		}	 
		
	}
	
}