#!llv8call

require("uneval.js")

v8ext.loadBinary("org.coderepos.fs");
v8ext.loadBinary("org.coderepos.env");
File = org.coderepos.fs.File;
ENV = org.coderepos.env.ENV;

function p (msg) {
	print(msg);
}

require("ejs.js");

BlosxomV8 = function (config) { this.initialize(config) };
BlosxomV8.prototype = {
	initialize : function (config) {
		this.config = config;
	},

	run : function () {
		var entries = this.getEntries();
		entries.sort(function (a, b) {
			return b.datetime.valueOf() - a.datetime.valueOf();
		});
		(this.getenv("PATH_INFO") || "/").match(/(.+?)(\.[^.]+)?$/);
		var path_info = RegExp.$1, flavour = RegExp.$2 || this.config.default_flavour;
		if (path_info.match(RegExp("^/(\\d{4})(?:/(\\d\\d)(?:/(\\d\\d))?)?"))) {
			var year = +RegExp.$1, month = RegExp.$2 - 1, day = +RegExp.$3;
			entries = entries.filter(function (i) {
				return [
					{k:"getFullYear",v:year},
					{k:"getMonth", v:month},
					{k:"getDate",v:day}
				].every(function (j) {
					return (j.v <= 0) || i.datetime[j.k]() == j.v
				});
			});
		} else {
			try {
				entries = entries.filter(function (i) {
					if (i.name == path_info) throw ["only-match", i];
					return RegExp("^"+path_info).test(i.name);
				});
			} catch (e) {
				if (e[0] != "only-match") throw e;
				// only match
				entries = [e[1]];
			}
		}


		var template = new EJS(this._readLines("template"+flavour).join("\n"), {useWith:true});
		print(template.run({
			title       : this.config.title,
			author      : this.config.author,
			home        : this.getenv("SCRIPT_NAME") || '/',
			path        : (this.getenv("SCRIPT_NAME") || '/').split("/").slice(-1)[0],
			server_root : "http://" + this.getenv("SERVER_NAME"),
			entries     : entries,
		}) + "\n");
	},

	getEntries : function () {
		function _getFiles (path) {
			var ret = [], dir = new Dir(path);
			while (f = dir.read()) {
				if (f.match(/\.txt$/))
					ret.push(path + '/' + f);
			}
			dir.close();
			return ret;
		}

		var self = this;
		var files = _getFiles(self.config.data_dir);
		var entries = files.map(function (i) {
			var content = self._readLines(i);
			return {
				file     : i,
				name     : String(i).replace(RegExp("^"+self.config.data_dir+"|\\..*$", "g"), ""),
				datetime : File.getFileInfo(i).mtime,
				title    : String(content.shift()),
				body     : content.join("\n"),
			};
		});
		return entries;
	},

	_readLines : function (file) {
		var data = '', str, f = new File(file, "rb");
		while (str = f.read(1024)) data += str;
		return data.split(/\r?\n/g);
	},

	getenv : function (name) {
		return ENV[name] || "";
	},
};

new BlosxomV8({
	title           : "Blosxom.V8!",
	data_dir        : "data",
	default_flavour : ".html",
}).run();