/**************************************************************
*
* tourCompany.c
* Programming Project 1
*
*   This program
*
*   Created by Sitthiphong Achavan (Tum)  ID 55070503474
*
*     00 November 2012
*
***************************************************************
*/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#define MAX 20

/* this function will print the summary when reach to the end of the day (user enter END in firstName) */
void printSummery(int discountCount,int haveDiscount,int noneDiscountCount,int tour1Count,int tour2Count,int tour3Count,int tour4Count)
    {
        printf("DUMP\n");
        printf("DUMP\n");
        printf("DUMP\n");
        printf("DUMP\n");
        printf("DUMP\n");
    }

/* this function will print a bills for each customers */
void printBill(char* firstName,char* discountCode,char date[][11],int* tourType,int* tourCustomer,int haveDiscount,int tourCount)
    {
    int i;
    double finalTotal=0;
    double total=0;
    double discount=0;
    double tourPrice=0;
    char tourTypeDisplay[5][32] = {"","Temple Tour","Floating Market","Bang Pa-in","Sukhothai"};
    printf ("Customer Bill\n");
    printf ("Member Name : %s\n",firstName);
    printf ("Discount Code : %s\n",discountCode);

    for (i=0;i<=tourCount;i++)
        {
        tourCount -= 1;
        printf("Tour Date : %s\n",date[i]);
        printf("Tour Name : %s\n",tourTypeDisplay[tourType[i]]);
        printf("Number of Customer : %d\n",tourCustomer[i]);

        switch (tourType[i])
            {
            case 1:
                tourPrice = 700;
                break;
            case 2:
                tourPrice = 900;
                break;
            case 3:
                tourPrice = 1100;
                break;
            case 4:
                tourPrice = 2500;
                break;
        total += tourPrice;
            }
        printf("Total price before discount : %lf\n",total);
        if ((haveDiscount = 1) && ((tourCustomer[i] >= 0)||(tourCustomer[i] <= 3)))
            {
            discount = total*(13/100);
            }
        printf("Discount : %lf\n",discount);
        finalTotal = total - discount;
        printf("Total price after discount : %lf\n",finalTotal);
        }
    }

/* this function will check the discount code from customer that discount code is valid or not*/
int checkDiscountCode(char* discountCode)
    {
    int i=0; /* count which character in discountCode is currently working in*/
    int j=0; /* count which character in discountCode is currently working in*/
    if (((strlen(discountCode)) > 6) || ((strlen(discountCode)) < 6))
        {
        if (strcmp(discountCode,"0") == 0)
            {
            return 1; /*this customer don't have a discount code*/
            }
        else
            {
            return 0; /*discount code shouldn't be longer than 6 chars or less than 6*/
            }
        }
    else
        {
        for (j=1;j<=3;j++)
            {
            if ((isdigit(discountCode[j])) == 1)
                {
                for (i=4;i<=6;i++)
                    {
                    if ((isalpha(discountCode[i])) != 3)
                        {
                        return 2; /*discount code is correct*/
                        }
                    else
                        {
                        return 0; /*discount code after 3 numbers shouldn't with 3 number or other*/
                        }
                    }
                }
            else
                {
                return 0; /*discount code shouldn't begin with 3 alphabet or other*/
                }
            }
        }
    }

void calculateBook()
    {
    }

int main()
    {
    char input[32];
    char firstName[32];
    char discountCode[7];
    int discountCount=0;
    int noneDiscountCount=0;
    int haveDiscount;
    int customerNumber=0;
    int customerCount=0;
    int tourNumber;
    int tourCount=0;
    char date[MAX][11];
    int tourType[MAX];
    int tourCustomer[MAX];
    int tour1Count;
    int tour2Count;
    int tour3Count;
    int tour4Count;

    for (customerNumber=0;customerNumber<=customerCount;customerNumber++)
        {
        printf("Enter your First name or END if it's end of the day\n");
        fgets(input,32,stdin);
        sscanf(input,"%s",firstName);

        if ((strcmp(firstName,"END")) == 0)
            {
            printSummery(discountCount,haveDiscount,noneDiscountCount,tour1Count,tour2Count,tour3Count,tour4Count);
            exit(0);
            }
        else
            {
            printf("Enter your discount code (3 digits then 3 letters or 0 if you don't have any discount code\n");
            fgets(input,32,stdin);
            sscanf(input,"%s",discountCode);

            while (checkDiscountCode(discountCode)==0)
                {
                printf("Error,Please enter the valid Discount Code\n");
                fgets(input,32,stdin);
                sscanf(input,"%s",discountCode);
                }
            if (checkDiscountCode(discountCode)==1)
                {
                haveDiscount=0;
                noneDiscountCount =+ 1;
                }
            if (checkDiscountCode(discountCode)==2)
                {
                haveDiscount=1;
                discountCount += 1;
                }

            customerCount += 1;
            tourCount = 0;

            for (tourNumber=0;tourNumber<=tourCount;tourNumber++)
                {
                printf("Member name : %s\n",firstName);
                printf("Discount Code : %s\n",discountCode);
                printf("Order : %d\n",tourCount);
                printf("Enter your date of tours (date should be DD/MM/YYYY)\n");
                fgets(input,32,stdin);
                sscanf(input,"%s",date[tourNumber]);

                if ((strcmp(date[tourNumber],"00")) == 0)
                    {
                    printBill(firstName,discountCode,date,tourType,tourCustomer,haveDiscount,tourCount);
                    }
                else if ((strcmp(date[tourNumber],"00")) != 0)
                    {
                    while (((strlen(date[tourNumber])) > 10) || ((strlen(date[tourNumber])) < 10))
                        {
                        printf("Error,Please enter the valid date of tours\n");
                        fgets(input,32,stdin);
                        sscanf(input,"%s",date[tourNumber]);

                        if ((strcmp(date[tourNumber],"00")) == 0)
                            {
                            printBill(firstName,discountCode,date,tourType,tourCustomer,haveDiscount,tourCount);
                            }
                        }
                    }
                if (strlen(date[tourNumber]) == 10)
                    {
                    printf("Which tour do you want to book\n");
                    printf("1.Temple Tour (700 baht/person)\n");
                    printf("2.Floating Market (900 baht/person)\n");
                    printf("3.Bang Pa-in (1100 baht/person)\n");
                    printf("4.Sukhothai (2500 baht/person)\n");
                    fgets(input,32,stdin);
                    sscanf(input,"%d",&tourType[tourNumber]);
                    if (tourType[tourNumber] = 1)
                        {
                        tour1Count += 1;
                        }
                    else if (tourType[tourNumber] = 2)
                        {
                        tour2Count += 1;
                        }
                    else if (tourType[tourNumber] = 3)
                        {
                        tour3Count += 1;
                        }
                    else if (tourType[tourNumber] = 4)
                        {
                        tour4Count += 1;
                        }

                    while ((tourType[tourNumber] < 1) || (tourType[tourNumber] > 4))
                        {
                        printf("Which tour do you want to book\n");
                        printf("1.Temple Tou (700 baht/person)\n");
                        printf("2.Floating Market (900 baht/person)\n");
                        printf("3.Bang Pa-in (1100 baht/person)\n");
                        printf("4.Sukhothai (2500 baht/person)\n");
                        fgets(input,32,stdin);
                        sscanf(input,"%d",&tourType[tourNumber]);
                        if (tourType[tourNumber] = 1)
                            {
                            tour1Count += 1;
                            }
                        else if (tourType[tourNumber] = 2)
                            {
                            tour2Count += 1;
                            }
                        else if (tourType[tourNumber] = 3)
                            {
                            tour3Count += 1;
                            }
                        else if (tourType[tourNumber] = 4)
                            {
                            tour4Count += 1;
                            }
                        }
                    tourCount += 1;
                    printf("How many people?\n");
                    fgets(input,32,stdin);
                    sscanf(input,"%d",&tourCustomer[tourNumber]);

                    while (tourCustomer[tourNumber] < 1)
                        {
                        printf("How many people?\n");
                        fgets(input,32,stdin);
                        sscanf(input,"%d",&tourCustomer[tourNumber]);
                        }
                    }
                }
            }
        }
    }