package com.example.pbnspectro.service;

import static com.example.pbnspectro.utls.ColorTool.cieXYZtoSRGB;
import static com.example.pbnspectro.utls.ColorTool.lab2xyz;

import android.graphics.Color;

import java.util.Calendar;

public class TimesColorService {
    /**
     * Get the current time and convert it to a color hex code
     * @return String[]  Returns an array of Strings containing the hexadecimal and integer representations of the RGB color values for the hour, minute, and second.
     *                 The first three elements are the hexadecimal values for the hour, minute, and second colors, respectively.
     *                 The last three elements are the integer values for the hour, minute, and second colors, respectively.
     */
    public static String[] getTimeHex() {
        Calendar calendar = Calendar.getInstance();
        int cHour = calendar.get(Calendar.HOUR);
        int cMin = calendar.get(Calendar.MINUTE);
        int cSec = calendar.get(Calendar.SECOND);

        // Calculate the angle of the hour, minute, and second hands
        double chouri = 360 - ((cHour - 3) * 30);
        if (chouri > 360) {
            chouri = chouri - 360;
        }
        double cmini = 360 - ((cMin - 15) * 6);
        if (cmini > 360) {
            cmini = cmini - 360;
        }
        double cseci = 360 - ((cSec - 15) * 6);
        if (cseci > 360) {
            cseci = cseci - 360;
        }

        int chrome = 100;
        int Lh = getLh(chouri);
        int Lm = getLm(cmini);
        int Ls = getLs(cseci);

        // Convert degrees to radians
        double degreeH = Math.toRadians(chouri);
        double degreeM = Math.toRadians(cmini);
        double degreeS = Math.toRadians(cseci);
        double ah, bh, am, bm, as, bs;

        // Calculate 'a' and 'b'
        ah = Math.cos(degreeH) * chrome;
        bh = Math.sin(degreeH) * chrome;

        // Calculate 'a' and 'b'
        am = Math.cos(degreeM) * chrome;
        bm = Math.sin(degreeM) * chrome;

        // Calculate 'a' and 'b'
        as = Math.cos(degreeS) * chrome;
        bs = Math.sin(degreeS) * chrome;

        //System.out.println("Hour L,a,b : " + Lh +"," + ah + "," + bh);
        //System.out.println("min L,a,b : " + Lm +"," + am + "," + bm);
        // System.out.println("sec L,a,b : " + Ls +"," + as + "," + bs);

        double xh = lab2xyz("x", Lh, ah, bh) * 0.01;
        double yh = lab2xyz("y", Lh, ah, bh) * 0.01;
        double zh = lab2xyz("z", Lh, ah, bh) * 0.01;

/*
                System.out.println("xh : " + xh);
                System.out.println("yh : " + yh);
                System.out.println("zh : " + zh);
*/

        double xm = lab2xyz("x", Lm, am, bm) * 0.01;
        double ym = lab2xyz("y", Lm, am, bm) * 0.01;
        double zm = lab2xyz("z", Lm, am, bm) * 0.01;

        double xs = lab2xyz("x", Ls, as, bs) * 0.01;
        double ys = lab2xyz("y", Ls, as, bs) * 0.01;
        double zs = lab2xyz("z", Ls, as, bs) * 0.01;

/*                System.out.println("xs : " + xs);
                System.out.println("ys : " + ys);
                System.out.println("zs : " + zs);*/

        int[] hRGB = cieXYZtoSRGB(xh, yh, zh);
        int[] mRGB = cieXYZtoSRGB(xm, ym, zm);
        int[] sRGB = cieXYZtoSRGB(xs, ys, zs);

        //System.out.println("sRGB : " + sRGB[0] + "," + sRGB[1] + "," + sRGB[2]);

        return new String[] {
                String.format("#%02x%02x%02x", hRGB[0], hRGB[1], hRGB[2]),
                String.format("#%02x%02x%02x", mRGB[0], mRGB[1], mRGB[2]),
                String.format("#%02x%02x%02x", sRGB[0], sRGB[1], sRGB[2]),
                String.valueOf(Color.rgb(hRGB[0], hRGB[1], hRGB[2])),
                String.valueOf(Color.rgb(mRGB[0], mRGB[1], mRGB[2])),
                String.valueOf(Color.rgb(sRGB[0], sRGB[1], sRGB[2]))
        };
    }

    private static int getLs(double cseci) {
        int Ls = 55;
        if (cseci > 53) {
            Ls = 60;
        }
        if (cseci > 59) {
            Ls = 65;
        }
        if (cseci > 65) {
            Ls = 70;
        }
        if (cseci > 71) {
            Ls = 75;
        }
        if (cseci > 77) {
            Ls = 80;
        }
        if (cseci > 83) {
            Ls = 85;
            // chrome = 87;
        }
        if (cseci > 89) {
            Ls = 93;
            // chrome = 90;
        }
        if (cseci > 101) {
            Ls = 92;
        }
        if (cseci > 107) {
            Ls = 90;
        }
        if (cseci > 113) {
            Ls = 88;
        }
        if (cseci > 119) {
            Ls = 85;
        }
        if (cseci > 125) {
            Ls = 83;
        }
        if (cseci > 131) {
            Ls = 80;
        }
        if (cseci > 137) {
            Ls = 78;
        }
        if (cseci > 143) {
            Ls = 75;
        }
        if (cseci > 149) {
            Ls = 70;
            // chrome = 80;
        }
        if (cseci > 155) {
            Ls = 68;
            // chrome = 80;
        }
        if (cseci > 161) {
            Ls = 65;
            // chrome = 80;
        }
        if (cseci > 167) {
            Ls = 63;
            // chrome = 80;
        }
        if (cseci > 173) {
            Ls = 60;
            // chrome = 80;
        }
        if (cseci > 179) {
            Ls = 58;
            // chrome = 80;
        }
        if (cseci > 185) {
            Ls = 55;
            // chrome = 80;
        }
        return Ls;
    }

    private static int getLm(double cmini) {
        int Lm = 55;
        if (cmini > 53) {
            Lm = 60;
        }
        if (cmini > 59) {
            Lm = 65;
        }
        if (cmini > 65) {
            Lm = 70;
        }
        if (cmini > 71) {
            Lm = 75;
        }
        if (cmini > 77) {
            Lm = 80;
        }
        if (cmini > 83) {
            Lm = 85;
            // chrome = 87;
        }
        if (cmini > 89) {
            Lm = 93;
            // chrome = 90;
        }
        if (cmini > 101) {
            Lm = 92;
        }
        if (cmini > 107) {
            Lm = 90;
        }
        if (cmini > 113) {
            Lm = 88;
        }
        if (cmini > 119) {
            Lm = 85;
        }
        if (cmini > 125) {
            Lm = 83;
        }
        if (cmini > 131) {
            Lm = 80;
        }
        if (cmini > 137) {
            Lm = 78;
        }
        if (cmini > 143) {
            Lm = 75;
        }
        if (cmini > 149) {
            Lm = 70;
            // chrome = 80;
        }
        if (cmini > 155) {
            Lm = 68;
            // chrome = 80;
        }
        if (cmini > 161) {
            Lm = 65;
            // chrome = 80;
        }
        if (cmini > 167) {
            Lm = 63;
            // chrome = 80;
        }
        if (cmini > 173) {
            Lm = 60;
            // chrome = 80;
        }
        if (cmini > 179) {
            Lm = 58;
            // chrome = 80;
        }
        if (cmini > 185) {
            Lm = 55;
            // chrome = 80;
        }
        return Lm;
    }

    private static int getLh(double chouri) {
        int Lh = 55;
        if (chouri > 53) {
            Lh = 60;
        }
        if (chouri > 59) {
            Lh = 65;
        }
        if (chouri > 65) {
            Lh = 70;
        }
        if (chouri > 71) {
            Lh = 75;
        }
        if (chouri > 77) {
            Lh = 80;
        }
        if (chouri > 83) {
            Lh = 85;
            // chrome = 87;
        }
        if (chouri > 89) {
            Lh = 93;
            // chrome = 90;
        }
        if (chouri > 101) {
            Lh = 92;
        }
        if (chouri > 107) {
            Lh = 90;
        }
        if (chouri > 113) {
            Lh = 88;
        }
        if (chouri > 119) {
            Lh = 85;
        }
        if (chouri > 125) {
            Lh = 83;
        }
        if (chouri > 131) {
            Lh = 80;
        }
        if (chouri > 137) {
            Lh = 78;
        }
        if (chouri > 143) {
            Lh = 75;
        }
        if (chouri > 149) {
            Lh = 70;
            // chrome = 80;
        }
        if (chouri > 155) {
            Lh = 68;
            // chrome = 80;
        }
        if (chouri > 161) {
            Lh = 65;
            // chrome = 80;
        }
        if (chouri > 167) {
            Lh = 63;
            // chrome = 80;
        }
        if (chouri > 173) {
            Lh = 60;
            // chrome = 80;
        }
        if (chouri > 179) {
            Lh = 58;
            // chrome = 80;
        }
        if (chouri > 185) {
            Lh = 55;
            // chrome = 80;
        }
        return Lh;
    }
}