// im a web connector

package main


import (
	"http";
	"io";
	//"./dbibridge";
	"./benchcontroller";
	//"dbconnector";
	"fmt";
	"json";
)

type JSONdata struct {
	currentJob int; // 1 = nothing, 2 = have database login, 3 = createing data, 4 = running test, 5 = finished
	currentStatus int; // percent complete
}

var comin chan string;
var cominstatus chan string;
var comout chan string;

func JSONResponder(c *http.Conn, req *http.Request)
{
	//stat := <- cominstatus;
	
	j, _, _ := json.StringToJson("{\"somestring\":\"somevalue\"}");
	
	io.WriteString(c, fmt.Sprintf("%s\n", json.JsonToString(j)));
	
	/*if ret {
		fmt.Printf("err was true\n");
	} else {
		fmt.Printf("err was false\n");
	}*/
	
	//fmt.Printf("errto %s\n", errto); 
	
}


// hello world, the web server
func ServerResponder(c *http.Conn, req *http.Request) {
	//comout <- 2;
	//comout <- 3;
	//comout <- 1;
	fmt.Printf("lk: %s %s %s\n", req.Method, req.RawURL, req.URL); 
	if req.RawURL == "/" {
		mainPage(c, req);
	}
	
	if req.RawURL == "/confirm" {
		confirmPage(c, req);
	}

	if req.RawURL == "/begin" {
		beginPage(c, req);
	}
	
	//k := <- comin;
	//fmt.Printf("%d\n", k);
}

func beginPage(c *http.Conn, req *http.Request)
{

	if req.Method != "GET" {
		http.Redirect(c, "/begin", 301);
	} else {
		header(c);
		io.WriteString(c, "<h1>Starting hammer</h1>");
		//dbhost := req.FormValue("dbhost");
		//dbuser := req.FormValue("dbuser");
		//dbpass := req.FormValue("dbpass");
		//dbname := req.FormValue("dbname");
		//nthreads := req.FormValue("nthreads");
		//dbmult := req.FormValue("dbmult");
		comout <- "begin:setup";
		
		footer(c);
	}
	
}

func confirmPage(c *http.Conn, req *http.Request)
{
	header(c);
	io.WriteString(c, "<h1>Confirm</h1>");
	dbhost := req.FormValue("dbhost");
	dbuser := req.FormValue("dbuser");
	dbpass := req.FormValue("dbpass");
	dbname := req.FormValue("dbname");
	nthreads := req.FormValue("nthreads");
	dbmult := req.FormValue("dbmult");
	var dbtype string;
	
	io.WriteString(c, "You are trying to perform a benchmark with the following values:<br>");
	io.WriteString(c, "<table border=\"1\">");
	io.WriteString(c, fmt.Sprintf("<tr><td>Host</td><td>%s</td></tr>", dbhost));
	io.WriteString(c, fmt.Sprintf("<tr><td>User</td><td>%s</td></tr>", dbuser));
	io.WriteString(c, fmt.Sprintf("<tr><td>Password</td><td>%s</td></tr>", dbpass));
	io.WriteString(c, fmt.Sprintf("<tr><td>Database</td><td>%s</td></tr>", dbname));
	io.WriteString(c, fmt.Sprintf("<tr><td>Data Multiplier</td><td>%s</td></tr>", dbmult));
	io.WriteString(c, fmt.Sprintf("<tr><td>Number of Threads</td><td>%s</td></tr>", nthreads));
	io.WriteString(c, "</table>");
	io.WriteString(c, "<form method=\"post\" action=\"/begin\">");
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbhost\" value=\"%s\">",dbhost));
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbuser\" value=\"%s\">",dbuser));
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbpass\" value=\"%s\">",dbpass));
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbname\" value=\"%s\">",dbname));
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"nthreads\" value=\"%s\">",nthreads));
	io.WriteString(c, fmt.Sprintf("<input type=\"hidden\" name=\"dbmult\" value=\"%s\">",dbmult));
	io.WriteString(c, "<input type=\"submit\" name=\"Begin\" value=\"Begin\">");
	io.WriteString(c, "</form>");
	
	dbtype = "mysql";
	
	footer(c);
	comout <- fmt.Sprintf("configure:%s:%s:%s:%s:%s:%s:%s", dbtype, dbhost, dbuser, dbpass, dbname, dbmult, nthreads);

}

func mainPage(c *http.Conn, req *http.Request)
{
	header(c);
	io.WriteString(c, "<h1>goDBHammer</h1><br>");
	io.WriteString(c, "Welcome to goDBHammer, the go based database benchmarking tool<br>");
	io.WriteString(c, "<form method=\"post\" action=\"/confirm\">");
	io.WriteString(c, "<table><tr><td>Database Type</td><td><input type=\"text\" name=\"dbtype\" value=\"ignored for now\"></td></tr>");
	io.WriteString(c, "<tr><td>Database Host</td><td><input type=\"text\" name=\"dbhost\"></td></tr>");
	io.WriteString(c, "<tr><td>Database User</td><td><input type=\"text\" name=\"dbuser\"></td></tr>");
	io.WriteString(c, "<tr><td>Database Password</td><td><input type=\"text\" name=\"dbpass\"></td></tr>");
	io.WriteString(c, "<tr><td>Database</td><td><input type=\"text\" name=\"dbname\"></td></tr>");	
	io.WriteString(c, "<tr><td>Data Multiplier</td><td><input type=\"text\" name=\"dbmult\"></td></tr>");	
	io.WriteString(c, "<tr><td>Number of Clients</td><td><input type=\"text\" name=\"nthreads\"></td></tr>");
	io.WriteString(c, "<tr><td><input type=\"submit\" name=\"Setup\" value=\"Setup\"></td></tr>");
	io.WriteString(c, "</table>");
	io.WriteString(c, "</form>");
	fmt.Printf("%s\n", req.FormValue("dbhost"));
	footer(c);
}

func header(c *http.Conn)
{
	io.WriteString(c, "<html><head></head><body>");
}

func footer(c *http.Conn)
{
	io.WriteString(c, "</body></html>");
}

func main()
{
	comin = make(chan string);
	cominstatus = make(chan string);
	comout = make(chan string);
	
	
	bc := benchcontroller.CreateController();
	go benchcontroller.MainLoop(bc, comout, comin, cominstatus);
	
	http.Handle("/", http.FileServer("./web", "/web"));
	http.Handle("/json", http.HandlerFunc(JSONResponder));
	err := http.ListenAndServe(":22222", nil);
	if err != nil {
		panic("ListenAndServe: ", err.String())
	}

}