package main

// partnerLogosComponent renders a grayscale logo grid that restores colour on hover.
templ partnerLogosComponent(data PartnerLogosData) {
	<section
		data-block="earthen:partner_logos"
		data-empty?={ data.Empty }
		class="earthen-partner-logos py-16 px-4"
		style="background-color: hsl(var(--background)); color: hsl(var(--foreground));"
	>
		<div class="max-w-5xl mx-auto">
			if data.Title != "" {
				<h2
					class="earthen-display text-2xl md:text-3xl text-center mb-10"
					style={ "font-family: var(--font-heading, \"Fraunces\", \"Playfair Display\", Georgia, serif); color: hsl(var(--primary));" }
				>
					{ data.Title }
				</h2>
			}
			if len(data.Logos) > 0 {
				<div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-8 items-center">
					for _, logo := range data.Logos {
						<div class="earthen-partner-tile flex justify-center items-center">
							@partnerLogoTile(logo)
						</div>
					}
				</div>
			} else {
				<p class="text-center" style="color: hsl(var(--muted-foreground));">
					Add partner logos to fill this grid.
				</p>
			}
		</div>
	</section>
}

templ partnerLogoTile(logo PartnerLogo) {
	if logo.URL != "" {
		<a
			href={ templ.SafeURL(logo.URL) }
			class="earthen-partner-link block transition-colors"
			title={ logo.Name }
			aria-label={ logo.Name }
		>
			@partnerLogoImage(logo)
		</a>
	} else {
		<div class="earthen-partner-link block" title={ logo.Name } aria-label={ logo.Name }>
			@partnerLogoImage(logo)
		</div>
	}
}

templ partnerLogoImage(logo PartnerLogo) {
	if logo.Image != "" {
		<img
			src={ resolveMedia(logo.Image) }
			alt={ logo.Name }
			class="earthen-partner-img max-h-12 object-contain w-full"
		/>
	} else {
		<div
			class="earthen-partner-fallback w-full h-12 flex items-center justify-center rounded"
			style="background-color: hsl(var(--muted)); color: hsl(var(--muted-foreground));"
		>
			<span class="text-sm">{ partnerInitials(logo.Name) }</span>
		</div>
	}
}

// partnerInitials returns up to two initials for an initials-only fallback tile.
func partnerInitials(name string) string {
	if name == "" {
		return "?"
	}
	letters := []rune{}
	prevSpace := true
	for _, r := range name {
		if r == ' ' || r == '-' || r == '_' {
			prevSpace = true
			continue
		}
		if prevSpace {
			letters = append(letters, r)
			prevSpace = false
			if len(letters) >= 2 {
				break
			}
		}
	}
	if len(letters) == 0 {
		return "?"
	}
	return string(letters)
}