package ui

import (
	"net/http"

	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services/approval"
	"github.com/sirupsen/logrus"
)

const (
	ApprovalRoute = "/approval"
	rememberKey   = "remember"
)

type ApprovalController struct {
	l                    *logrus.Logger
	downstreamController http.Handler
	srv                  approval.ApprovalService
}

func NewApprovalController(l *logrus.Logger, downstream http.Handler, srv approval.ApprovalService) *ApprovalController {
	return &ApprovalController{
		l:                    l,
		downstreamController: downstream,
		srv:                  srv,
	}
}

func (ac *ApprovalController) handleGetApproval(r *http.Request) {
	ac.l.Debug("Checking if approval is remembered")

	remembered, err := ac.srv.IsRemembered(r.Context(), approval.Claim{Email: "kilgore@kilgore.trout", ClientID: "9854d42da9cd91369a293758d514178c73d2b9774971d8965945ab2b81e83e69"})
	if err != nil {
		ac.l.Errorf("Failed to check if approval is remembered: %s", err.Error())
		return
	}

	if remembered {
		ac.l.Info("Approval is remembered, skipping approval page")
		return
	} else {
		ac.l.Info("Approval is not remembered, continuing")
	}
}

func (ac *ApprovalController) handlePostApproval(r *http.Request) {
	ac.l.Debug("Handling POST approval request")
	if err := r.ParseForm(); err != nil {
		ac.l.Errorf("Failed to parse request form: %s", err.Error())
		return
	}

	if remember := r.Form.Get(rememberKey); remember == "on" {
		if err := ac.srv.Remember(r.Context(), approval.Claim{Email: "kilgore@kilgore.trout", ClientID: "9854d42da9cd91369a293758d514178c73d2b9774971d8965945ab2b81e83e69"}); err != nil {
			ac.l.Errorf("Failed to remember approval request: %s", err.Error())
		}
	}
}

func (ac *ApprovalController) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if r.Method == http.MethodPost {
		ac.handlePostApproval(r)
	} else if r.Method == http.MethodGet {
		ac.handleGetApproval(r)
	}
	ac.downstreamController.ServeHTTP(w, r)
}