package components_test

import (
	"bytes"
	"fmt"
	"html/template"
	"testing"

	"git.sapphic.engineer/roleypoly/v4/presentation"
	"git.sapphic.engineer/roleypoly/v4/templates"
	"git.sapphic.engineer/roleypoly/v4/types"
	"git.sapphic.engineer/roleypoly/v4/types/fixtures"
	"git.sapphic.engineer/roleypoly/v4/utils"
	"github.com/stretchr/testify/assert"
)

var (
	Templates = template.Must(template.ParseFS(templates.FS, "components/*.html"))
)

func renderRole(t *testing.T, c *types.Category, r *types.Role, s bool) string {
	data := presentation.Role(c, r, s)
	buf := bytes.Buffer{}
	err := Templates.ExecuteTemplate(&buf, "role.html", data)
	if err != nil {
		t.Fatal("template failed to render", err)
	}
	return buf.String()
}

func TestRole(t *testing.T) {
	c := &fixtures.CategoryMulti
	r := &fixtures.RoleWithDarkColor
	html := renderRole(t, c, r, false)
	assert.Contains(t, html, "--role-color: #a20000;", "role color is set")
	assert.Contains(t, html, `type="checkbox"`, "multi has input type=checkbox")
	assert.Contains(t, html, fmt.Sprintf("--contrast-color: %s;", utils.RgbToString(utils.AltColor(162, 0, 0))), "contrast color is set")
	assert.Contains(t, html, fmt.Sprintf(`id="%s"`, roleInputID(c, r)), "input has ID attr")
	assert.Contains(t, html, fmt.Sprintf(`for="%s"`, roleInputID(c, r)), "label has for attr")
	assert.NotContains(t, html, fmt.Sprintf(`name="%s"`, roleInputName(c)), "multi has no name attr")
	// TODO: selected?

	c = &fixtures.CategorySingle
	r = &fixtures.RoleWithLightColor
	html = renderRole(t, c, r, true)
	assert.Contains(t, html, `type="radio"`, "single has input type=radio")
	assert.Contains(t, html, fmt.Sprintf("--contrast-color: %s;", utils.RgbToString(utils.AltColor(0xff, 0xaa, 0x88))), "contrast color")
	assert.Contains(t, html, fmt.Sprintf(`name="%s"`, roleInputName(c)), "single has name attr")
}

// TODO: these can probably be string utils that are injected as functions into template
func roleInputID(c *types.Category, r *types.Role) string {
	return fmt.Sprintf("category-%s_role-%s", c.ID, r.ID)
}

func roleInputName(c *types.Category) string {
	return fmt.Sprintf("category_group_%s", c.ID)
}