//go:build browser

package main

import (
	"net/http"
	"strings"
	"testing"

	"github.com/chromedp/chromedp"

	"amadan.net/rastrillo/rastrillo"
	"amadan.net/rastrillo/rastrillo/harness"

	"amadan.net/rastrillo/abono"
)

// TestBrowserSubscribeAndCancel drives the example in a real Chromium,
// through rastrillo's harness: sign in by emailed link, the plans, Checkout on the
// sandbox's page, Checkout's return, the account page, the sandbox's
// billing page, cancelling, and the account page saying so. Any console
// error, failed request or 4xx/5xx fails it at the screen it happened
// on. Without a browser it fails (harness.ChromePath); it never skips.
func TestBrowserSubscribeAndCancel(t *testing.T) {
	box := &inbox{}
	rig := harness.New(t, func(origin string) http.Handler {
		opts, err := Options(testConfig(t, origin, box))
		if err != nil {
			t.Fatalf("Options: %v", err)
		}
		h, closeApp, err := rastrillo.Handler(opts)
		if err != nil {
			t.Fatalf("rastrillo.Handler: %v", err)
		}
		t.Cleanup(func() { closeApp() })
		return h
	})

	// Ask for a sign-in link, open it from the inbox, and press Sign in.
	rig.Run(chromedp.Navigate(rig.Origin + "/signin"))
	rig.Screen(`#rst-signin-email`, "sign in")
	rig.Run(
		chromedp.SendKeys(`#rst-signin-email`, "reader@example.com", chromedp.ByQuery),
		chromedp.Click(`form[action="/signin"] button[type=submit]`, chromedp.ByQuery),
	)
	rig.Screen(`form[action="/signin/forget"]`, "the link was sent")
	rig.Run(chromedp.Navigate(box.link(t, "reader@example.com")))
	rig.Screen(`form[action="/auth/verify"] button[type=submit]`, "the link's confirm page")
	rig.Run(chromedp.Click(`form[action="/auth/verify"] button[type=submit]`, chromedp.ByQuery))
	rig.Screen(`form[action="/subscribe/annual"]`, "the plans, signed in")

	// Buy the annual plan on the sandbox's Checkout page.
	rig.Run(chromedp.Click(`form[action="/subscribe/annual"] button[type=submit]`, chromedp.ByQuery))
	rig.Screen(`form[action$="/pay"]`, "the sandbox's checkout")
	rig.Run(chromedp.Click(`form[action$="/pay"] button[type=submit]`, chromedp.ByQuery))
	rig.Screen(`main a[href="/account"]`, "Checkout's return")
	mustSay(t, rig, "main", say("abono.pages.done_paid"))

	// The account page shows it renewing.
	rig.Run(chromedp.Click(`main a[href="/account"]`, chromedp.ByQuery))
	rig.Screen(`form[action="/account/billing"]`, "the account, paid")
	mustSay(t, rig, "main", say(abono.StatusRenews))

	// Cancel on the sandbox's billing page, and come back.
	rig.Run(chromedp.Click(`form[action="/account/billing"] button[type=submit]`, chromedp.ByQuery))
	rig.Screen(`form[action$="/cancel"] button[type=submit]`, "the sandbox's billing page")
	rig.Run(
		chromedp.Click(`form[action$="/cancel"] button[type=submit]`, chromedp.ByQuery),
		chromedp.WaitNotPresent(`form[action$="/cancel"] button[type=submit]`, chromedp.ByQuery),
	)
	rig.Screen(`a[href$="/account"]`, "the sandbox's billing page, cancelled")
	rig.Run(chromedp.Click(`a[href$="/account"]`, chromedp.ByQuery))
	rig.Screen(`form[action="/account/billing"]`, "the account, cancelling")
	mustSay(t, rig, "main", say(abono.StatusCancelling))
}

// mustSay fails unless sel's text on the current screen contains text.
func mustSay(t *testing.T, rig *harness.Rig, sel, text string) {
	t.Helper()
	var got string
	rig.Run(chromedp.Text(sel, &got, chromedp.ByQuery))
	if !strings.Contains(got, text) {
		t.Fatalf("%s does not say %q:\n%s", sel, text, got)
	}
}