package server

import (
	"fmt"
	"html/template"
	"net/http"
)

type Person struct {
	FirstName string
	LastName  string
}

type Instructor Person

type Participant struct {
	ID int64
	Person
	Company string
}

type Briefing struct {
	Instructor
	Date         string
	Time         string
	State        string
	Location     string
	Participants []Participant
}

func DisplayForm(i int64) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		template.Must(template.ParseFiles("templates/index.html")).Execute(w, i)
	}
}

func AddParticipant(i int64) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		i++
		template.Must(template.ParseFiles("templates/index.html", "templates/participant.html")).ExecuteTemplate(w, "participant", i)
	}
}

func SubmitForm(b Briefing, i, j int64) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		b.Instructor.FirstName = r.PostFormValue("instructor-first")
		b.Instructor.LastName = r.PostFormValue("instructor-last")
		b.Date = r.PostFormValue("date")
		b.Time = r.PostFormValue("time")
		b.State = r.PostFormValue("state")
		b.Location = r.PostFormValue("location")

		for ; j <= i; j++ {
			b.Participants = append(b.Participants, Participant{
				ID: j,
				Person: Person{
					FirstName: r.PostFormValue("participant-first-" + fmt.Sprint(j)),
					LastName:  r.PostFormValue(("participant-last-" + fmt.Sprint(j))),
				},
				Company: r.PostFormValue(("participant-company-" + fmt.Sprint(j))),
			})
		}
	}
}