package test

import (
	"RenewCMS/api/handlers/user"
	"RenewCMS/internal/domain/author"
	domain "RenewCMS/internal/domain/user"
	"RenewCMS/internal/infrastructure/config"
	"RenewCMS/internal/infrastructure/mailer"
	"net/http"
	"os"
	"reflect"
	"regexp"
	"strings"
	"testing"
)

func readWebSource(t *testing.T, path string) string {
	t.Helper()
	raw, err := os.ReadFile("../web/src/" + path)
	if err != nil {
		t.Fatal(err)
	}
	return string(raw)
}

func TestAccountDeleteLiteralParity(t *testing.T) {
	t.Run("Deleted user is the same name in the domain, the audit trail and the SPA", func(t *testing.T) {
		if domain.DeletedUserName != author.DeletedName {
			t.Errorf("user %q and author %q disagree", domain.DeletedUserName, author.DeletedName)
		}
		if !strings.Contains(readWebSource(t, "lib/deletedUser.ts"), "DELETED_USER_NAME = '"+domain.DeletedUserName+"'") {
			t.Errorf("web/src/lib/deletedUser.ts does not name the user %q", domain.DeletedUserName)
		}
		if !strings.Contains(readWebSource(t, "i18n/messages.ts"), "'"+domain.DeletedUserName+"':") {
			t.Errorf("the i18n catalogue has no entry for %q", domain.DeletedUserName)
		}
	})

	t.Run("The confirmation word is the same in the handler and in the SPA", func(t *testing.T) {
		field, _ := reflect.TypeOf(user.DeleteAccountRequest{}).FieldByName("Confirmation")
		matched := regexp.MustCompile(`eq=(\w+)`).FindStringSubmatch(field.Tag.Get("validate"))
		if matched == nil {
			t.Fatalf("the Confirmation tag has no eq= rule: %q", field.Tag)
		}
		if !strings.Contains(readWebSource(t, "lib/accountDeletion.ts"), "DELETE_WORD = '"+matched[1]+"'") {
			t.Errorf("web/src/lib/accountDeletion.ts does not use the word %q", matched[1])
		}
	})

	t.Run("The template the use case sends is the one the mailer renders", func(t *testing.T) {
		f := newDeleteAccountFixture(t)

		rec := f.request(t, 7, deleteAccountBody)

		if rec.Code != http.StatusNoContent || len(f.mail.SentEmails) != 1 {
			t.Fatalf("unexpected outcome %d with %d mails", rec.Code, len(f.mail.SentEmails))
		}
		sent := f.mail.SentEmails[0]
		subject, body, err := mailer.NewMailRepository(config.SmtpSettings{}).Render(sent.Template, sent.Data)
		if err != nil || body == "" || subject == "RenewCMS | Action required" {
			t.Errorf("the mailer does not know %q: subject %q err %v", sent.Template, subject, err)
		}
	})
}