#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define INIT_CAPACITY 2
#define NEW_INIT_CAPACITY 3
typedef struct Info
{
  char name[12];
  char sex[8];
  int age;
  char telephone[12];
  char address[20];
}Info;
typedef struct Address_Book
{
  int num;
  int capacity;
  Info book[0];
}Address_Book;
enum difficult_name
{
  Exit,
  Add,
  Del,
  Search,
  Modify,
  Show,
  Empty,
  Sort
};
void Init(Address_Book** Book);
void Add_info(Address_Book** Book);
void Del_info(Address_Book** Book);
void Store(Address_Book** Book);
void Search_info(Address_Book** Book);
void Modify_info(Address_Book** Book);
void Show_info(Address_Book** Book);
void Empty_info(Address_Book** Book);
void Sort_info(Address_Book** Book);

#include "通讯录啊.h"
int CheckCapacity(Address_Book** Book);
void Init(Address_Book** Book)
{
  assert(Book);
  (*Book)->capacity = INIT_CAPACITY;
  (*Book)->num = 0;
  memset((*Book)->book, 0, sizeof(Info) * (*Book)->capacity);
  FILE* pf = fopen("Book.txt", "rb");
  if (pf == NULL)
  {
    perror("Init");
    printf(__LINE__);
    return;
  }
  Info temp = { 0 };
  while (fread(&temp, sizeof(Info), 1, pf))
  {
    if (0 == CheckCapacity(Book))
    {
      return;
    }
    (*Book)->book[(*Book)->num] = temp;
    (*Book)->num++;
  }
  fclose(pf);
  pf = NULL;
}
int CheckCapacity(Address_Book** Book)
{
  assert(*Book);
  if ((*Book)->num == (*Book)->capacity)
  {
    Address_Book* str = (Address_Book*)realloc(*Book, sizeof(Address_Book) + sizeof(Info) * ((*Book)->capacity + NEW_INIT_CAPACITY));
    if (str == NULL)
    {
      printf("增容失败!\n");
      return 0;
    }
    *Book = str;
    (*Book)->capacity += NEW_INIT_CAPACITY;
    printf("增容成功!!!\n");
    return 1;
  }
}
void Add_info(Address_Book** Book)
{
  if (0 == CheckCapacity(Book))
  {
    return;
  }
  printf("请输入联系人姓名：\n");
  scanf("%s", (*Book)->book[(*Book)->num].name);
  printf("请输入联系人性别：\n");
  scanf("%s", (*Book)->book[(*Book)->num].sex);
  printf("请输入联系人年龄：\n");
  scanf("%d", &(*Book)->book[(*Book)->num].age);
  printf("请输入联系人电话：\n");
  scanf("%s", (*Book)->book[(*Book)->num].telephone);
  printf("请输入联系人地址：\n");
  scanf("%s", (*Book)->book[(*Book)->num].address);
  (*Book)->num++;
  printf("添加成功!\n");
}
int True_False(Address_Book* Book, int* u_flag)
{
  char name[20];
  printf("输入联系人名字:\n");
  scanf("%s", name);
  for (int i = 0; i < Book->num; i++)
  {
    if (strcmp(name, Book->book[i].name) == 0)
    {
      *u_flag = i;
      return 1;
    }
  }
  return 0;
}
void Del_info(Address_Book** Book)
{
  assert(*Book);
  int u_flag = 0;
  int ret = True_False(*Book, &u_flag);
  if (ret == 1)
  {
    for (int i = u_flag; i < (*Book)->num; i++)
    {
      (*Book)->book[i] = (*Book)->book[i + 1];
    }
    printf("删除成功!\n");
  }
  else
  {
    printf("未查询到该联系人，删除失败!\n");
  }
}
void Store(Address_Book** Book)
{
  assert(*Book);
  FILE* pf = fopen("Book.txt", "wb");
  if (pf == NULL)
  {
    perror("Store");
    return;
  }
  for (int i = 0; i < (*Book)->num; i++)
  {
    fwrite((*Book)->book + i, sizeof(Info), 1, pf);
  }
  fclose(pf);
  pf = NULL;
}
void Search_info(Address_Book** Book)
{
  assert(*Book);
  int u_flag = 0;
  int ret = True_False(*Book, &u_flag);
  if (ret == 1)
  {
    printf("找到了:\n");
    //打印信息
    return;
  }
  printf("没找到!\n");
}
void Modify_info(Address_Book** Book)
{
  assert(*Book);
  int u_flag = 0;
  int ret = True_False(*Book, &u_flag);
  if (ret == 1)
  {
    printf("找到了:\n");
    //修改信息
    return;
  }
  printf("没找到!\n");
}
void Show_info(Address_Book** Book)
{
  assert(*Book);
  for (int i = 0; i < (*Book)->num; i++)
  {
    //打印信息
  }
}
void Empty_info(Address_Book** Book)
{
  assert(*Book);
  memset((*Book)->book, 0, sizeof(Info) * (*Book)->num);
  (*Book)->capacity = 0;
  (*Book)->num = 0;
}
int cmp(void* p1, void* p2)
{
  return strcmp(((Info*)p1)->name, ((Info*)p2)->name);
}
void Sort_info(Address_Book** Book)
{
  assert(*Book);
  //排序方式多种，可以Switch选择排序方式，这里名字排序
  qsort((*Book)->book, (*Book)->num, sizeof(Info), cmp);
  printf("排序完成!\n");
}