<?php

declare(strict_types=1);

namespace DS82\ThreeDPrintShowcase\Materials;

defined('ABSPATH') || exit;

final class Material implements \JsonSerializable
{
    public function __construct(
        public readonly string $source,
        public readonly int $sourceId,
        public readonly string $slug,
        public readonly string $name,
        public readonly ?string $materialType = null,
        public readonly ?string $appearanceType = null,
        public readonly ?string $colorMode = null,
        public readonly ?string $colorModeType = null,
        public readonly ?string $manufacturer = null,
        public readonly ?string $baseColor = null,
        public readonly array $secondaryColors = [],
        public readonly ?string $backgroundColor = null,
        public readonly ?string $textureUrl = null,
        public readonly ?string $normalMapUrl = null,
        public readonly float $roughness = 0.55,
        public readonly float $metalness = 0.05,
        public readonly float $opacity = 1.0,
        public readonly bool $transparent = false,
        public readonly ?string $previewImageUrl = null,
        public readonly ?string $previewVideoUrl = null,
        public readonly array $sourceData = []
    ) {}

    public function identifier(): string
    {
        return $this->source . ':' . ($this->slug ?: (string) $this->sourceId);
    }

    public function display_id(): string
    {
        return strtoupper(trim($this->slug ?: (string) $this->sourceId));
    }

    public function label(): string
    {
        $id = $this->display_id();
        $name = trim($this->name);
        return '' !== $name && 0 !== strcasecmp($id, $name) ? $id . ' - ' . $name : $id;
    }

    public function colors(): array
    {
        return array_values(array_unique(array_filter(array_merge([$this->baseColor], $this->secondaryColors))));
    }

    public function jsonSerialize(): array
    {
        return [
            'source' => $this->source,
            'source_id' => $this->sourceId,
            'identifier' => $this->identifier(),
            'slug' => $this->slug,
            'display_id' => $this->display_id(),
            'name' => $this->name,
            'label' => $this->label(),
            'material_type' => $this->materialType,
            'appearance_type' => $this->appearanceType,
            'color_mode' => $this->colorMode,
            'color_mode_type' => $this->colorModeType,
            'color_direction' => (string) ($this->sourceData['color_direction'] ?? (($this->colorModeType === 'rainbow') ? 'bottom_top' : 'left_right')),
            'color_blend_percent' => (float) ($this->sourceData['color_blend_percent'] ?? 45),
            'color_shares' => array_values((array) ($this->sourceData['color_shares'] ?? [25,25,25,25])),
            'layer_band_percent' => (float) ($this->sourceData['layer_band_percent'] ?? 1),
            'layer_variation_percent' => (float) ($this->sourceData['layer_variation_percent'] ?? 10),
            'layer_blend_percent' => (float) ($this->sourceData['layer_blend_percent'] ?? 6),
            'manufacturer' => $this->manufacturer,
            'base_color' => $this->baseColor,
            'secondary_colors' => $this->secondaryColors,
            'background_color' => $this->backgroundColor,
            'texture_url' => $this->textureUrl,
            'normal_map_url' => $this->normalMapUrl,
            'roughness' => $this->roughness,
            'metalness' => $this->metalness,
            'opacity' => $this->opacity,
            'transparent' => $this->transparent,
            'preview_image_url' => $this->previewImageUrl,
            'preview_video_url' => $this->previewVideoUrl,
            'advanced_enabled' => !empty($this->sourceData['advanced_enabled']),
            'clearcoat' => (float) ($this->sourceData['clearcoat'] ?? 0),
            'sheen' => (float) ($this->sourceData['sheen'] ?? 0),
            'iridescence' => (float) ($this->sourceData['iridescence'] ?? 0),
            'transmission' => (float) ($this->sourceData['transmission'] ?? 0),
            'ior' => (float) ($this->sourceData['ior'] ?? 1.5),
            'light_key' => (float) ($this->sourceData['light_key'] ?? 1.55),
            'light_fill' => (float) ($this->sourceData['light_fill'] ?? 0.55),
            'light_ambient' => (float) ($this->sourceData['light_ambient'] ?? 0.85),
            'exposure' => (float) ($this->sourceData['exposure'] ?? 1),
        ];
    }
}