package theme

import (
	"github.com/fthvgb1/wp-go/app/pkg/models"
	"github.com/fthvgb1/wp-go/app/wpconfig"
	"html/template"
	"time"
)

var comFn = template.FuncMap{
	"unescaped": func(s string) any {
		return template.HTML(s)
	},
	"dateCh": func(t time.Time) any {
		return t.Format("2006年 01月 02日")
	},
	"timeFormat": func(t time.Time, format string) any {
		return t.Format(format)
	},
	"getOption": func(k string) string {
		return wpconfig.GetOption(k)
	},
	"getLang": wpconfig.GetLang,
	"postsFn": postsFn,
	"exec": func(fn func() string) template.HTML {
		return template.HTML(fn())
	},
	"callFuncString": func(fn func(string) string, s string) template.HTML {
		return template.HTML(fn(s))
	},
}

func postsFn(fn func(models.Posts) string, a models.Posts) string {
	return fn(a)
}

func FuncMap() template.FuncMap {
	return comFn
}

func addTemplateFunc(fnName string, fn any) {
	if _, ok := comFn[fnName]; ok {
		panic("exists same name func")
	}
	comFn[fnName] = fn
}