#include <stdio.h>
#include <string.h>

struct data{
    char nama[50];
    int harga;
};

struct data3{
    char nama[50];
    int harga;
}z;
main(){
    int p;
    printf("\t\t\t\t\t Selamat Datang di Toko Buah & Sayur Kami \n\n\n");

    printf("\t\t\t\t\t Menu \n");
    printf("\t\t\t\t\t 1.) Admin \n");
    printf("\t\t\t\t\t 2.) Kasir \n");
    printf("\t\t\t\t\t Pilih (1/2) : ");
    scanf("%d", &p);
    getchar();
    switch(p){
        case 1:
            system("cls");
            admin();
            break;
        case 2:
            system("cls");
            kasir();
            break;
        default:
            break;
    }

}

void hitungBelanja(){
    int i,j, jumlah, tambah, saldo, kembali;
    printf("Masukkan Jumlah Belanjaan : ");
    scanf("%d", &j);
    getchar();
    struct data x[j];
    FILE * sayur;
    sayur =  fopen("sayur.txt", "r+");
    FILE * buah;
    buah =  fopen("buah.txt", "r+");

    for(i = 1; i<=j; i++){
        FILE * sayur;
        sayur =  fopen("sayur.txt", "r+");
        FILE * buah;
        buah =  fopen("buah.txt", "r+");
        printf("Nama Barang : ");
        gets(x[i].nama);
        while(fread(&z, sizeof(z), 1, sayur) == 1){
            if(strcmp(x[i].nama , z.nama)==0){
                printf("Harga Barang : %d\n", z.harga);
                tambah = z.harga;
                jumlah = jumlah + tambah;
            }
            else{
                jumlah = jumlah + 0;
            }
        }
        fclose(sayur);
        while(fread(&z, sizeof(z), 1, buah) == 1){
            if(strcmp(x[i].nama , z.nama)==0){
                 printf("Harga Barang : %d\n", z.harga);
                tambah = z.harga;
                jumlah = jumlah + tambah;
            }
            else{
                jumlah = jumlah + 0;
            }
        }
        fclose(buah);
        printf("===============\n");
    }
    printf("Total : %d \n ", jumlah);
    printf("Masukkan jumlah uang : ");
    scanf("%d", &saldo);
    if(saldo < jumlah){
        printf("Maaf Saldo Anda Kurang");
    }
    else{
        kembali = saldo - jumlah;
        printf("Kembalian : %d\n\n", kembali);
    }

}

void admin(){
    char adminUser[10] = "admin";
    char adminPass[10] = "admin";

    char username[10], password[50];

    printf("USERNAME : ");
    gets(username);
    printf("PASSWORD : ");
    gets(password);
    system("cls");
    if(strcmp(username, adminUser)==0 && strcmp(password, adminPass)==0){
        printf("\t\t\t\t\tHay Admin, Selamat Datang \n\n");
        int p;
        printf("\t\t\t\t\t Menu \n");
        printf("\t\t\t\t\t 1.) Input Buah \n");
        printf("\t\t\t\t\t 2.) Input Sayur \n");
        printf("\t\t\t\t\t 3.) Data Buah \n");
        printf("\t\t\t\t\t 4.) Data Sayur \n");
        printf("\t\t\t\t\t 5.) Exit \n");
        printf("\t\t\t\t\t Pilih (1/2/3/4/5) : ");
        scanf("%d", &p);
        getchar();
        switch(p){
        case 1:
            system("cls");
            inputBuah();
            break;
        case 2:
            system("cls");
            inputSayur();
            break;
        case 3:
            system("cls");
            dataBuah();
            break;
        case 4:
            system("cls");
            dataSayur();
            break;
        case 5:
            system("cls");
            main();
            break;
        default:
            main();
            break;
    }
    }
    else{
        main();
    }
}

void kasir(){
    int p;
    printf("\t\t\t\t\t Menu \n");
    printf("\t\t\t\t\t 1.) Lihat Daftar Barang \n");
    printf("\t\t\t\t\t 2.) Hitung Belanjaan \n");
    printf("\t\t\t\t\t 3.) Exit \n");
    printf("\t\t\t\t\t Pilih (1/2) : ");
    scanf("%d", &p);
    getchar();
    switch(p){
        case 1:
            system("cls");
            lihatBarang();
            break;
        case 2:
            system("cls");
            hitungBelanja();
            break;
        case 3:
            system("cls");
            main();
            break;
        default:
            break;
    }
}
struct data2{
    char nama[50];
    int harga;
}y;
void inputBuah(){
    FILE * buah;
    buah =  fopen("buah.txt", "a+");
    printf("Nama Barang : ");
    gets(y.nama);
    printf("Harga Barang : ");
    scanf("%d", &y.harga);

    fwrite(&y, sizeof(y), 1, buah);
    fclose(buah);
    getchar();
    system("cls");
    admin();


}

void dataBuah(){
    FILE * buah;
    buah =  fopen("buah.txt", "r+");

    while(fread(&y, sizeof(y), 1, buah) == 1){
    printf("Nama Barang : %s \n", y.nama);
    printf("Harga Barang : %d \n\n", y.harga);
    }

    fclose(buah);
}

//Sayur
void inputSayur(){
    FILE * sayur;
    sayur =  fopen("sayur.txt", "a+");
    printf("Nama Barang : ");
    gets(y.nama);
    printf("Harga Barang : ");
    scanf("%d", &y.harga);

    fwrite(&y, sizeof(y), 1, sayur);
    fclose(sayur);
    getchar();
    system("cls");
    admin();


}

void dataSayur(){
    FILE * sayur;
    sayur =  fopen("sayur.txt", "r+");

    while(fread(&y, sizeof(y), 1, sayur) == 1){
    printf("Nama Barang : %s \n", y.nama);
    printf("Harga Barang : %d \n\n", y.harga);
    }

    fclose(sayur);
}

void lihatBarang(){
    FILE * sayur;
    sayur =  fopen("sayur.txt", "r+");
    FILE * buah;
    buah =  fopen("buah.txt", "r+");

    printf("Sayur : \n");
    while(fread(&y, sizeof(y), 1, sayur) == 1){
        printf("Nama Barang : %s \n", y.nama);
        printf("Harga Barang : %d \n\n", y.harga);
    }
    fclose(sayur);

    printf("Buah : \n");
    while(fread(&y, sizeof(y), 1, buah) == 1){
        printf("Nama Barang : %s \n", y.nama);
        printf("Harga Barang : %d \n\n", y.harga);
    }



}