package templates

import (
	"fmt"
	"html/template"
)

type AccountLink struct {
	Alert bool
}

type Link struct {
	Href string
	Name string
}

type CopyList struct {
	Domain    string
	Reference string
}

type User struct {
	Name     string
	CopyList *CopyList
}

type NavCollapse struct {
	User        *User
	AccountLink *AccountLink
	Links       []Link
}

func DefaultNavCollapse() NavCollapse {
	return NavCollapse{Links: []Link{{Href: "/", Name: "Home"}}}
}

func UserNavCollapse(username string, accountAlert bool) NavCollapse {
	return NavCollapse{
		Links:       []Link{{Href: "/", Name: "Home"}},
		User:        &User{Name: username},
		AccountLink: &AccountLink{Alert: accountAlert},
	}
}

type InputProps struct {
	Type      string `json:",omitempty"`
	Name      string
	Required  bool `json:",omitempty"`
	Value     string
	Error     string `json:",omitempty"`
	MinLength uint   `json:",omitempty"`
}

func (p *InputProps) Validate() bool {
	if p.Required && p.Value == "" {
		p.Error = fmt.Sprintf("%v is required", p.Name)
		return false
	}

	value_len := len(p.Value)
	if p.MinLength > 0 && int(p.MinLength) > value_len {
		p.Error = fmt.Sprintf("%v requires at least %v characters (currently %v characters)", p.Name, p.MinLength, value_len)
		return false
	}

	return true
}

var Template *template.Template

func init() {
	Template = load()
}

func load() *template.Template {
	t := template.Must(template.ParseGlob("templates/*.gotmpl"))
	return t
}