"use client";

import { useConfiguratorStore, type Finish, type GlassColor, type Handle, type FrameSize } from "@/lib/store";
import { glassPatternOptions, type GlassPattern } from "@/lib/glass-patterns";
import { Check } from "lucide-react";

// ============================================
// OPTIONS DATA
// ============================================

const finishOptions: Array<{
  value: Finish;
  label: string;
  description: string;
  swatch: string;
}> = [
  { value: "zwart", label: "Mat Zwart", description: "Klassiek en tijdloos", swatch: "#1A1A1A" },
  { value: "brons", label: "Brons", description: "Warm en industrieel", swatch: "#8B6F47" },
  { value: "grijs", label: "Antraciet", description: "Modern en neutraal", swatch: "#525252" },
  { value: "goud", label: "Goud", description: "Luxe en opvallend", swatch: "#B8860B" },
  { value: "beige", label: "Beige", description: "Zacht en natuurlijk", swatch: "#C8B88A" },
  { value: "ral", label: "RAL Kleur", description: "Op maat, +EUR 200", swatch: "#4A6741" },
];

const glassColorOptions: Array<{
  value: GlassColor;
  label: string;
  description: string;
  swatch: string;
}> = [
  { value: "helder", label: "Helder", description: "Maximale transparantie", swatch: "#dbeafe" },
  { value: "grijs", label: "Rookglas", description: "Getint grijs glas", swatch: "#4B5563" },
  { value: "brons", label: "Bronsglas", description: "Warm getint glas", swatch: "#92764A" },
  { value: "mat-blank", label: "Mat Blank", description: "Zacht diffuus licht", swatch: "#e2e2e2" },
  { value: "mat-brons", label: "Mat Brons", description: "Warm en gedempd", swatch: "#A0845C" },
  { value: "mat-zwart", label: "Mat Zwart", description: "Privacy glas", swatch: "#2D2D2D" },
];

const handleOptions: Array<{
  value: Handle;
  label: string;
  description: string;
}> = [
  { value: "beugelgreep", label: "Beugelgreep", description: "Verticale staaf met montageblokken" },
  { value: "hoekgreep", label: "Hoekgreep", description: "L-vormige minimalistisch design" },
  { value: "maangreep", label: "Maangreep", description: "Gebogen half-maanvormige greep" },
  { value: "ovaalgreep", label: "Ovaalgreep", description: "Moderne ovale trekgreep" },
  { value: "klink", label: "Deurklink", description: "Klassieke deurklink met hendel" },
  { value: "u-greep", label: "U-Greep", description: "Eenvoudige rechte staaf" },
  { value: "geen", label: "Geen greep", description: "Voor vaste panelen" },
];

const frameSizeOptions: Array<{
  value: FrameSize;
  label: string;
  description: string;
}> = [
  { value: 20, label: "Smal (20mm)", description: "Minimalistisch profiel" },
  { value: 30, label: "Standaard (30mm)", description: "Populairste keuze" },
  { value: 40, label: "Robuust (40mm)", description: "Industrieel karakter" },
];

// ============================================
// SHARED SELECTION COMPONENTS
// ============================================

function SelectionButton({
  selected,
  onClick,
  children,
}: {
  selected: boolean;
  onClick: () => void;
  children: React.ReactNode;
}) {
  return (
    <button
      type="button"
      onClick={onClick}
      className={`group relative rounded-xl border-2 p-4 text-left transition-all ${
        selected
          ? "border-[#C4D668] bg-[#1A2E2E] text-white"
          : "border-gray-200 bg-white text-gray-900 hover:border-[#1A2E2E]/30"
      }`}
    >
      <div className="flex items-start justify-between">
        {children}
        {selected && (
          <div className="ml-2 flex size-6 shrink-0 items-center justify-center rounded-full bg-[#C4D668]">
            <Check className="size-4 text-[#1A2E2E]" />
          </div>
        )}
      </div>
    </button>
  );
}

// ============================================
// MAIN COMPONENT
// ============================================

export function StepOptions() {
  const {
    finish, handle, glassPattern, glassColor, frameSize,
    setFinish, setHandle, setGlassPattern, setGlassColor, setFrameSize,
  } = useConfiguratorStore();

  return (
    <div className="space-y-8">
      {/* Finish Selection */}
      <div>
        <h2 className="mb-2 text-lg font-bold text-[#1A2E2E]">Afwerking</h2>
        <p className="mb-4 text-sm text-gray-600">
          Kies de kleur en afwerking van het staal.
        </p>

        <div className="grid grid-cols-2 gap-3">
          {finishOptions.map((option) => {
            const selected = finish === option.value;
            return (
              <button
                key={option.value}
                type="button"
                onClick={() => setFinish(option.value)}
                className={`group relative flex flex-col items-center rounded-xl border-2 p-3 transition-all ${
                  selected
                    ? "border-[#C4D668] bg-[#1A2E2E] text-white ring-2 ring-[#C4D668]"
                    : "border-gray-200 bg-white text-gray-900 hover:border-[#1A2E2E]/30"
                }`}
              >
                <div
                  className="mb-2 size-10 rounded-lg border-2 border-white shadow-md"
                  style={{ backgroundColor: option.swatch }}
                />
                <h3 className="text-sm font-bold">{option.label}</h3>
                <p className={`mt-0.5 text-xs ${selected ? "text-white/70" : "text-gray-500"}`}>
                  {option.description}
                </p>
                {selected && (
                  <div className="absolute right-2 top-2 flex size-5 items-center justify-center rounded-full bg-[#C4D668]">
                    <Check className="size-3 text-[#1A2E2E]" />
                  </div>
                )}
              </button>
            );
          })}
        </div>
      </div>

      {/* Glass Color Selection */}
      <div>
        <h2 className="mb-2 text-lg font-bold text-[#1A2E2E]">Glaskleur</h2>
        <p className="mb-4 text-sm text-gray-600">
          Kies het type en de kleur van het glas.
        </p>

        <div className="grid grid-cols-3 gap-3">
          {glassColorOptions.map((option) => {
            const selected = glassColor === option.value;
            return (
              <button
                key={option.value}
                type="button"
                onClick={() => setGlassColor(option.value)}
                className={`group relative flex flex-col items-center rounded-xl border-2 p-3 transition-all ${
                  selected
                    ? "border-[#C4D668] bg-[#1A2E2E] text-white ring-2 ring-[#C4D668]"
                    : "border-gray-200 bg-white text-gray-900 hover:border-[#1A2E2E]/30"
                }`}
              >
                <div
                  className="mb-2 size-8 rounded-full border-2 border-white shadow-md"
                  style={{ backgroundColor: option.swatch }}
                />
                <h3 className="text-xs font-bold">{option.label}</h3>
                {selected && (
                  <div className="absolute right-1.5 top-1.5 flex size-4 items-center justify-center rounded-full bg-[#C4D668]">
                    <Check className="size-2.5 text-[#1A2E2E]" />
                  </div>
                )}
              </button>
            );
          })}
        </div>
      </div>

      {/* Frame Size Selection */}
      <div>
        <h2 className="mb-2 text-lg font-bold text-[#1A2E2E]">Profielbreedte</h2>
        <p className="mb-4 text-sm text-gray-600">
          Kies de breedte van het stalen profiel.
        </p>

        <div className="grid grid-cols-3 gap-3">
          {frameSizeOptions.map((option) => {
            const selected = frameSize === option.value;
            return (
              <button
                key={option.value}
                type="button"
                onClick={() => setFrameSize(option.value)}
                className={`group relative flex flex-col items-center rounded-xl border-2 px-2 py-3 transition-all ${
                  selected
                    ? "border-[#C4D668] bg-[#1A2E2E] text-white ring-2 ring-[#C4D668]"
                    : "border-gray-200 bg-white text-gray-900 hover:border-[#1A2E2E]/30"
                }`}
              >
                {/* Visual profile width indicator */}
                <div className="mb-2 flex h-12 items-center justify-center">
                  <div
                    className={`rounded-sm ${selected ? "bg-[#C4D668]" : "bg-[#1A2E2E]"}`}
                    style={{ width: `${option.value * 0.4}px`, height: "40px" }}
                  />
                </div>
                <h3 className="text-xs font-bold">{option.label}</h3>
                <p className={`mt-0.5 text-[10px] ${selected ? "text-white/70" : "text-gray-500"}`}>
                  {option.description}
                </p>
                {selected && (
                  <div className="absolute right-1.5 top-1.5 flex size-4 items-center justify-center rounded-full bg-[#C4D668]">
                    <Check className="size-2.5 text-[#1A2E2E]" />
                  </div>
                )}
              </button>
            );
          })}
        </div>
      </div>

      {/* Glass Pattern Selection */}
      <div>
        <h2 className="mb-2 text-lg font-bold text-[#1A2E2E]">Glaspatroon</h2>
        <p className="mb-4 text-sm text-gray-600">
          Kies het decoratieve patroon voor de glaspanelen.
        </p>

        <div className="grid gap-3">
          {glassPatternOptions.map((option) => {
            const selected = glassPattern === option.value;
            return (
              <SelectionButton
                key={option.value}
                selected={selected}
                onClick={() => setGlassPattern(option.value)}
              >
                <div className="flex-1">
                  <h3 className="font-bold">{option.label}</h3>
                  <p className={`mt-1 text-sm ${selected ? "text-white/80" : "text-gray-500"}`}>
                    {option.description}
                  </p>
                </div>
              </SelectionButton>
            );
          })}
        </div>
      </div>

      {/* Handle Selection */}
      <div>
        <h2 className="mb-2 text-lg font-bold text-[#1A2E2E]">Greep</h2>
        <p className="mb-4 text-sm text-gray-600">
          Selecteer het type handgreep.
        </p>

        <div className="grid gap-3">
          {handleOptions.map((option) => {
            const selected = handle === option.value;
            return (
              <SelectionButton
                key={option.value}
                selected={selected}
                onClick={() => setHandle(option.value)}
              >
                <div className="flex-1">
                  <h3 className="font-bold">{option.label}</h3>
                  <p className={`mt-1 text-sm ${selected ? "text-white/80" : "text-gray-500"}`}>
                    {option.description}
                  </p>
                </div>
              </SelectionButton>
            );
          })}
        </div>
      </div>
    </div>
  );
}