import { IconStyle } from "@phosphor-icons/core";
import TinyColor from "tinycolor2";

import { SnippetType } from "@/lib";

function u8ToCGFloatStr(value: number): string {
  return (value / 255).toLocaleString("en-US", {
    minimumFractionDigits: 0,
    maximumFractionDigits: 4,
  });
}

export function getCodeSnippets({
  name,
  displayName,
  weight,
  size,
  color,
}: {
  name: string;
  displayName: string;
  weight: IconStyle;
  size: number;
  color: string;
}): Record<SnippetType, string> {
  const isDefaultWeight = weight === "regular";
  const isDefaultColor = color === "#000000";
  const camelName = displayName.replace(/^\w/, (c) => c.toLowerCase());
  const pascalWeight = weight.replace(/^\w/, (c) => c.toUpperCase());
  const { r, g, b } = TinyColor(color).toRgb();

  return {
    [SnippetType.HTML]: `<i class="ph${isDefaultWeight ? "" : `-${weight}`
      } ph-${name}"></i>`,
    [SnippetType.REACT]: `<${displayName} size={${size}} ${!isDefaultColor ? `color="${color}" ` : ""
      }${isDefaultWeight ? "" : `weight="${weight}" `}/>`,
    [SnippetType.VUE]: `<Ph${displayName} :size="${size}" ${!isDefaultColor ? `color="${color}" ` : ""
      }${isDefaultWeight ? "" : `weight="${weight}" `}/>`,
    [SnippetType.FLUTTER]: `Icon(\n  PhosphorIcons.${displayName.replace(
      /^\w/,
      (c) => c.toLowerCase()
    )}${isDefaultWeight ? "" : weight.replace(/^\w/, (c) => c.toUpperCase())
      },\n  size: ${size.toFixed(1)},\n${!isDefaultColor ? `  color: Color(0xff${color.replace("#", "")}),\n` : ""
      })`,
    [SnippetType.ELM]: `Phosphor.${camelName}${isDefaultWeight ? "" : " " + pascalWeight
      }
    |> withSize ${size}
    |> withSizeUnit "px"
    |> toHtml []`,
    [SnippetType.SWIFT]: `Ph.${camelName}.${weight}${!isDefaultColor
        ? `\n    .color(red: ${u8ToCGFloatStr(r)}, green: ${u8ToCGFloatStr(
          g
        )}, blue: ${u8ToCGFloatStr(b)})`
        : ""
      }
    .frame(width: ${size}, height: ${size})
    `,
  };
}

export function supportsWeight({
  type,
  weight,
}: {
  type: SnippetType;
  weight: IconStyle;
}): boolean {
  if (type !== SnippetType.FLUTTER) return true;
  return weight !== IconStyle.DUOTONE;
}