package main

import (
	"bytes"
	"context"

	"git.dev.alexdunmow.com/block/core/templates"
)

// Y2KEmailWrapper wraps body content in a Y2K-branded email shell:
//
//   - Centred 600px chrome-bordered card on a near-black background.
//   - Magenta-to-teal gradient header bar.
//   - Inter Tight body (with system fallback).
//   - Plain marquee pill footer.
//
// All colours are sourced from emailCtx.Colors when present, falling back to
// HSL token-equivalent hex values that match the chrome-dream dark preset.
func Y2KEmailWrapper(body string, emailCtx templates.EmailContext) string {
	var buf bytes.Buffer
	_ = y2kEmailTemplate(emailCtx, body).Render(context.Background(), &buf)
	return buf.String()
}

// Resolved palette per render — these helpers translate the preset HSL triples
// to email-safe hex via theme tokens, with fallbacks aligned to the
// chrome-dream dark preset.

func y2kEmailBg(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Background != "" {
		return emailCtx.Colors.Background
	}
	return "#0c0820" // chrome-dream dark background equivalent
}

func y2kEmailCard(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Card != "" {
		return emailCtx.Colors.Card
	}
	return "#150f2a"
}

func y2kEmailFg(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Foreground != "" {
		return emailCtx.Colors.Foreground
	}
	return "#f4e8fa"
}

func y2kEmailMuted(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Muted != "" {
		return emailCtx.Colors.Muted
	}
	return "#1f1740"
}

func y2kEmailMutedFg(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.MutedForeground != "" {
		return emailCtx.Colors.MutedForeground
	}
	return "#b9a8d3"
}

func y2kEmailBorder(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Border != "" {
		return emailCtx.Colors.Border
	}
	return "#4d2b6f"
}

func y2kEmailPrimary(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Primary != "" {
		return emailCtx.Colors.Primary
	}
	return "#ff4dd2"
}

func y2kEmailSecondary(emailCtx templates.EmailContext) string {
	if emailCtx.Colors.Secondary != "" {
		return emailCtx.Colors.Secondary
	}
	return "#4ddff0"
}