#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>

#include "taschenrechner.h"
// Unit converter mode

int choice, startingUnit, endingUnit;
double value, result;

char Distance[] = { 'mm', 'cm', 'm', 'km', 'feet/inch', 'miles'};
char Weight[] = { 'mg', 'g', 'kg', 't', 'pounds'};
char Fluid[] = { 'ml', 'l' , 'gallon'};
char Temp[] = { 'celsius', 'fahrenheit' };
char Speed[] = { 'km/h','mp/h' };
char Data[] = { 'B', 'KB', 'MB', 'GB', 'TB', 'PT' };
char Time[] = { 'ms', 's', 'min', 'h', 'd', 'w', 'mon', 'y' };
char currency[] = { 'E', 'D', 'R' };


double getValue(int choice) {
    printf("\nEnter the value to be converted: ");
    scanf("%lf", &value);

    while (choice < 0 && choice >= 15) {
        switch (choice)
        {
        case 1:
            printf("\nEnter what the Unit is starting with (0 mm, 1 cm, 2 m, 3 km): ");
            scanf("%d", &startingUnit);
                                                                   //1    10  1.000  1.000.000
            printf("\nEnter what the value should it be changed to (0 mm, 1 cm, 2 m, 3 km): ");
            scanf("%d", &endingUnit);

            result = ConMeter(value, startingUnit,endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Distance[endingUnit]);
            break;

        case 2:
            printf("\nEnter what the Unit is starting with (0 feet/Inch, 1 meter): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 feet/Inch, 1 meter): ");
            scanf("%d", &endingUnit);

            result = ConMeterToFoot(value, startingUnit, endingUnit);
            
            if (endingUnit == 0) {  //if feet/inch change to 4. in array of Distance
                endingUnit = 4;
            }

            else if (endingUnit == 1) { //if meter change to 2. in array of Distance
                endingUnit = 2;
            }


            printf("\nThe convertet result is %dlf %d", result, Distance[endingUnit]);
            break;

        case 3:
            printf("\nEnter what the Unit is starting with (0 miles, 1 kilometer): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 miles, 1 kilometer): ");
            scanf("%d", &endingUnit);

            result = ConKilometerToMiles(value, startingUnit, endingUnit);

            if (endingUnit == 0) {  //if miles change to 5. in array of Distance
                endingUnit = 5;
            }

            else if (endingUnit == 1) { //if kilometer change to 2. in array of Distance
                endingUnit = 3;
            }

            printf("\nThe convertet result is %dlf %d", result, Distance[endingUnit]);
            break;

        case 4://'mg', 'g', 'kg', 't' 
            printf("\nEnter what the Unit is starting with (0 mg, 1 g, 2 kg , 3 t): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 mg, 1 g, 2 kg , 3 t): ");
            scanf("%d", &endingUnit);

            result = ConGram(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Weight[endingUnit]);
            break;

        case 5://'kg', 'pounds'
            printf("\nEnter what the Unit is starting with (0 kg, 1 pounds): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 kg, 1 pounds): ");
            scanf("%d", &endingUnit);

            result = ConGramToPounds(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Weight[endingUnit]);
            break;

        case 6://'celsius', 'fahrenheit'
            printf("\nEnter what the Unit is starting with (0 celsius, 1 fahrenheit): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 celsius, 1 fahrenheit): ");
            scanf("%d", &endingUnit);

            result = ConTemp(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Temp[endingUnit]);
            break;
        
        case 7://'km/h','mp/h'
            printf("\nEnter what the Unit is starting with (0 km/h, 1 mp/h): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 km/h, 1 mp/h): ");
            scanf("%d", &endingUnit);

            result = ConSpeed(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Speed[endingUnit]);
            break;

        case 8://'ml', 'l'
            printf("\nEnter what the Unit is starting with (0 ml, 1 l): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 ml, 1 l): ");
            scanf("%d", &endingUnit);

            result = ConLiter(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Fluid[endingUnit]);
            break;


        case 9://'ml', 'l'
            printf("\nEnter what the Unit is starting with (0 l, 1 gallon): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 l, 1 gallon): ");
            scanf("%d", &endingUnit);

            result = ConLiterToGallon(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Fluid[endingUnit]);
            break;

        case 10://char Data[] = { 'B', 'KB', 'MB', 'GB', 'TB', 'PT' };
            printf("\nEnter what the Unit is starting with (0 B, 1 KB, 2 MB , 3 GB, 4 TB, 5 PT): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 B, 1 KB, 2 MB , 3 GB, 4 TB, 5 PT): ");
            scanf("%d", &endingUnit);

            result = ConData(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d", result, Data[endingUnit]);
            break;

        case 11://char Distance[] = { 'mm', 'cm', 'm', 'km', 'feet/inch', 'miles'};
            printf("\nEnter what the Unit is starting with (0 mm, 1 cm, 2 m , 3 km,): ");
            scanf("%d", &startingUnit);

            printf("\nEnter what the value should it be changed to (0 mm, 1 cm, 2 m , 3 km,): ");
            scanf("%d", &endingUnit);

            result = ConArea(value, startingUnit, endingUnit);

            printf("\nThe convertet result is %dlf %d²", result, Distance[endingUnit]);
            break;
        }
    }
}
/*
double ConSpeed(double speed, int startingUnit, int endingUnit) {
    switch (startingUnit)
    {
    case 0: //kmh to x
        switch (endingUnit)
        {
        case 0: //kmh to kmh
            return speed;
            break;

        case 1: //kmh to mph
            return speed * 0.621371;
            break;

        default:
            break;
        }

    case 1: //mph to x
        switch (endingUnit)
        {
        case 0: //mph to kmh
            return speed * 1.60934;
            break;

        case 1: //mph to mph
            return speed;
            break;

        default:
            break;
        }

    default:
        break;
    }
}
*/


double ConVolume() {

}

double ConTime() {

}

double ConClock() {

}


void unitConverterMode() {

    printf("Unit Converter Mode:\n");

    printf("Distance conversions:\n");
    printf("1. Convert Meter (cm, m, km)\n");
    printf("2. Meter to foot/inches\n");
    printf("3. Kilometer to Miles\n");

    printf("Weight conversion:\n");
    printf("4. Convert Gram  (mg, g, kg)\n");
    printf("5. Gram to Pounds \n")

    printf("Temprature conversion:\n");
    printf("6. Celsius to Fahrenheit\n");

    printf("Speed conversion:\n");
    printf("7. km/h to mph \n");

    printf("Fluid conversion:\n");
    printf("8. Convert Liter (ml, l, kl) \n");
    printf("9. Liter to Gallon\n");

    printf("Data conversions:\n");
    printf("10. Convert Data size (MB, GB, TB)\n");

    printf("Area/Volume conversions \n");
    printf("11. Convert area (cm², m², km²) \n");
    printf("12. Convert Volume (cm³, m³, km³)\n");

    printf("Time conversion \n");
    printf("13. Convert time (s, m, h) \n");
    printf("14. Convert Clock (12 Hour, 24 Hour) \n");

    printf("Time conversion \n");
    printf("15. Convert currency (Euro, Dollar, Russian Rubel) \n");

    printf("\nEnter your choice (Exit with 0): ");
    scanf("%d", &choice);
    getValue(choice);
}