package elements

import "fmt"

func Text(content string, options ...Variant) templ.Component {
	if err := ValidTextVariants(options...); err != nil {
		return renderParagraph(clsxMerge(TextSizeDefault, TextStyleDefault), content)
	}
	return renderParagraph(clsxMerge(options...), content)
}

func ValidTextVariants(variants ...Variant) error {
	for _, v := range variants {
		switch v.(type) {
		case TextSize:
		case TextStyle:
		default:
			return fmt.Errorf("invalid text variant: %v", v)
		}
	}
	return nil
}

templ renderHeading(attrs templ.Attributes, text string) {
	<h1 { attrs... }>
		{ text }
	</h1>
}

templ renderParagraph(attrs templ.Attributes, text string) {
	<p { attrs... }>
		{ text }
	</p>
}

templ renderLink(attrs templ.Attributes, text string) {
	<a { attrs... }>
		{ text }
	</a>
}

templ renderStrong(attrs templ.Attributes, text string) {
	<strong { attrs... }>
		{ text }
	</strong>
}

templ renderEmphasis(attrs templ.Attributes, text string) {
	<em { attrs... }>
		{ text }
	</em>
}

templ renderCode(attrs templ.Attributes, text string) {
	<code { attrs... }>
		{ text }
	</code>
}

type TextSize int

const (
	TextSizeDefault TextSize = iota
	TextSizeSmall
	TextSizeMedium
	TextSizeLarge
)

func (s TextSize) Attributes() templ.Attributes {
	switch s {
	case TextSizeSmall:
		return templ.Attributes{
			"class": "text-sm",
		}
	case TextSizeLarge:
		return templ.Attributes{
			"class": "text-xl",
		}
	}
	return templ.Attributes{
		"class": "text-md",
	}
}

type TextStyle int

const (
	TextStyleDefault TextStyle = iota
	TextStyleHeading
	TextStyleParagraph
	TextStyleLink
	TextStyleStrong
	TextStyleEmphasis
	TextStyleCode
)

func (s TextStyle) Attributes() templ.Attributes {
	switch s {
	case TextStyleHeading:
		return templ.Attributes{
			"class": "text-xl font-bold text-xl",
		}
	case TextStyleParagraph:
		return templ.Attributes{
			"class": "text-base font-normal",
		}
	case TextStyleLink:
		return templ.Attributes{
			"class": "text-blue-600 font-medium underline",
		}
	case TextStyleStrong:
		return templ.Attributes{
			"class": "font-semibold text-md",
		}
	case TextStyleCode:
		return templ.Attributes{
			"class": "text-stone-800 font-mono",
		}
	default:
		return templ.Attributes{
			"class": "text-base font-normal text-md",
		}
	}
}