import { IRGBANomral } from "./readColor"
import { AlphaType, toHex } from "./toHex"
import { round } from "../../math/funcs/round"
// @ts-ignore
import IchiColor from "../lib/ichiColor.js"

export type ColorFormatType =
    | "hex"
    | "ahex"
    | "rgba"
    | "rgb"
    | "rgb2"
    | "hexa"
    | "hexOnly"
    | "swift"
    | "objective-c"
    | "hsl"
    | "hwb"
    | "hsla"
    | "hwba"
export enum ColorFormat {
    hex = "hex",
    hexa = "hexa",
    hexOnly = "hexOnly",
    ahex = "ahex",
    rgba = "rgba",
    rgb = "rgb",
    rgb2 = "rgb2",
    swift = "swift",
    objectiveC = "objective-c",
    hsl = "hsl",
    hsla = "hsla",
    hwb = "hwb",
    hwba = "hwba",
}
let ichiColor!: any
export function writeColor(color: IRGBANomral, format?: ColorFormatType) {
    if (!ichiColor) ichiColor = IchiColor()

    if (format == ColorFormat.hex) {
        return toHex(color, { alphaType: AlphaType.auto })
    }

    if (format == ColorFormat.hexOnly) {
        return toHex(color, { alphaType: AlphaType.none })
    }

    if (format == ColorFormat.hexa) {
        return toHex(color, { alphaType: AlphaType.force })
    }

    if (format == ColorFormat.ahex) {
        return toHex(color, { alphaFirst: true, alphaType: AlphaType.force })
    }
    if (format == ColorFormat.rgba) {
        return `rgba(${round(color.r)}, ${round(color.g)}, ${round(color.b)}, ${round(color.alpha ?? 1, 2)})`
    }

    if (format == ColorFormat.rgb) {
        return `rgb(${round(color.r)}, ${round(color.g)}, ${round(color.b)})`
    }

    if (format == ColorFormat.rgb2) {
        return `rgb(${round(color.r)} ${round(color.g)} ${round(color.b)}${
            color.alpha != undefined ? " / " + Math.round(<any>color.alpha * 100) + "%" : ""
        })`
    }

    if (format == ColorFormat.swift) {
        let r = round(color.r / 255, 3)
        let g = round(color.g / 255, 3)
        let b = round(color.b / 255, 3)
        let a = round(color.alpha ?? 1, 2)
        return `red: ${r}, green: ${g}, blue: ${b}, alpha: ${a}`
    }

    if (format == ColorFormat.objectiveC) {
        let r = color.r.toFixed(1)
        let g = color.g.toFixed(1)
        let b = color.b.toFixed(1)
        let a = (color.alpha ?? 1).toFixed(1)
        return `[UIColor colorWithRed:${r}f/255.0f green:${g}f/255.0f blue:${b}f/255.0f alpha:${a}f]`
    }

    if (format == ColorFormat.hsl) {
        ichiColor.set(color)
        let hsl: any = ichiColor.hsl
        if (ichiColor.alpha == 1) {
            return `hsl(${round(hsl.h)}, ${round(hsl.s)}%, ${round(hsl.l)}%)`
        } else {
            return `hsl(${round(hsl.h)}, ${round(hsl.s)}%, ${round(hsl.l)}%, ${round(ichiColor.alpha, 2)})`
        }
    }

    if (format == ColorFormat.hwb) {
        ichiColor.set(color)
        let hwb: any = ichiColor.hwb
        if (ichiColor.alpha == 1) {
            return `hwb(${round(hwb.h)}, ${round(hwb.w)}%, ${round(hwb.b)}%)`
        } else {
            return `hwb(${round(hwb.h)}, ${round(hwb.w)}%, ${round(hwb.b)}% , ${round(ichiColor.alpha, 2)})`
        }
    }
}