// components/Colorpicker.js
import { $, h, when} from "sigpro";
import { val, ui } from "../utils.js";

/**
 * Colorpicker component
 * 
 * daisyUI classes used:
 * - btn, btn-primary, btn-secondary, btn-accent, btn-ghost
 * - bg-base-100, border, border-base-300, shadow-sm, shadow-2xl
 * - rounded-box, rounded-sm, fixed, inset-0
 * - z-50, z-110, absolute, left-0, mt-2, p-3, w-64
 * - grid, grid-cols-8, gap-1, ring, ring-offset-1, ring-primary
 * - scale-110, transition-all, hover:scale-125, active:scale-95
 */
export const Colorpicker = (props) => {
  const { class: className, value, label, ...rest } = props;
  const isOpen = $(false);

  const palette = [
    ...["#000", "#1A1A1A", "#333", "#4D4D4D", "#666", "#808080", "#B3B3B3", "#FFF"],
    ...["#450a0a", "#7f1d1d", "#991b1b", "#b91c1c", "#dc2626", "#ef4444", "#f87171", "#fca5a5"],
    ...["#431407", "#7c2d12", "#9a3412", "#c2410c", "#ea580c", "#f97316", "#fb923c", "#ffedd5"],
    ...["#713f12", "#a16207", "#ca8a04", "#eab308", "#facc15", "#fde047", "#fef08a", "#fff9c4"],
    ...["#064e3b", "#065f46", "#059669", "#10b981", "#34d399", "#4ade80", "#84cc16", "#d9f99d"],
    ...["#082f49", "#075985", "#0284c7", "#0ea5e9", "#38bdf8", "#7dd3fc", "#22d3ee", "#cffafe"],
    ...["#1e1b4b", "#312e81", "#4338ca", "#4f46e5", "#6366f1", "#818cf8", "#a5b4fc", "#e0e7ff"],
    ...["#2e1065", "#4c1d95", "#6d28d9", "#7c3aed", "#8b5cf6", "#a855f7", "#d946ef", "#fae8ff"],
  ];

  const getColor = () => val(value) || "#000000";

  return h("div", { class: ui('relative w-fit', className) }, [
    h(
      "button",
      {
        type: "button",
        class: "btn px-3 bg-base-100 border-base-300 hover:border-primary/50 flex items-center gap-2 shadow-sm font-normal normal-case",
        onclick: (e) => {
          e.stopPropagation();
          isOpen(!isOpen());
        },
        ...rest,
      },
      [
        h("div", {
          class: "size-5 rounded-sm shadow-inner border border-black/10 shrink-0",
          style: () => `background-color: ${getColor()}`,
        }),
        label ? h("span", { class: "opacity-80" }, label) : null,
      ],
    ),

    when(isOpen, () =>
      h(
        "div",
        {
          class: "absolute left-0 mt-2 p-3 bg-base-100 border border-base-300 shadow-2xl rounded-box z-[110] w-64 select-none",
          onclick: (e) => e.stopPropagation(),
        },
        [
          h(
            "div",
            { class: "grid grid-cols-8 gap-1" },
            palette.map((c) =>
              h("button", {
                type: "button",
                style: `background-color: ${c}`,
                class: () => {
                  const active = getColor().toLowerCase() === c.toLowerCase();
                  return `size-6 rounded-sm cursor-pointer transition-all hover:scale-125 hover:z-10 active:scale-95 outline-none border border-black/5 
                ${active ? "ring-2 ring-offset-1 ring-primary z-10 scale-110" : ""}`;
                },
                onclick: () => {
                  if (typeof value === "function") value(c);
                  isOpen(false);
                },
              }),
            ),
          ),
        ],
      ),
    ),

    when(isOpen, () =>
      h("div", {
        class: "fixed inset-0 z-[100]",
        onclick: () => isOpen(false),
      }),
    ),
  ]);
};