var xmlmapping   = require('xml-mapping');
var rawbody      = require('raw-body');
var typeis       = require('type-is');

module.exports = (function () {
	
	function bodyParserXml() {
		return function(req, res, next) {
			if (req._body) return next();
			req.body = req.body || {};
			
			if (!typeis(req, 'xml')) return next();
			
			// flag as parsed
			req._body = true;
			
			// parse
			rawbody(req, {
				limit: options.limit || '100kb',
				length: req.headers['content-length'],
				encoding: 'utf8'
			}, function (err, buf) {
				if (err) return next(err);
				
				if (0 == buf.length) {
					return next(error(400, 'invalid xml, empty body'));
				}
				try {
					req.body = xmlmapping.dump(buf/*, options.reviver*/);
				} catch (err){
					err.body = buf;
					err.status = 400;
					return next(err);
				}
				next();
			})
		}
	}
	
	return function FormatXmlPlugin() {
		
		this.configPlugin = function (ctx) {
			ctx.key = 'formatXML';
			ctx.description = 'Export the tentity api in xml format.';
			ctx.localDir = __dirname;
			ctx.localConfigTemplate = 'format-xml.json';
		};
		
		this.configServer = function(ctx) {
			ctx.server.use(bodyParserXml());
		}
		
		// flag that we support these all crud types.
		
		this.configApiTListExport = function (ctx) {
			return ctx.renderTemplateDataList(ctx.tview.tmeta.tplugin.formatXML.tmime);
		};
		
		this.configApiTCreateExport = function (ctx) {
		};
		
		this.configApiTReadExport = function (ctx) {
			return ctx.renderTemplateDataRead(ctx.tview.tmeta.tplugin.formatXML.tmime);
		};
		
		this.configApiTEditExport = function (ctx) {
		};
		
		this.configApiTDeleteExport = function (ctx) {
		};
		
		this.configApiTCountExport = function (ctx) {
		};
	};
})();