#include "csv_parser.h"

struct node* parse_csv() {

  FILE * file;
  file = fopen("movies_sample_1.csv", "r");

  // Buffer File For chars
  char* buffer;
  size_t buff_size = 1000;
  size_t chars = -2;
  buffer = malloc(buff_size * sizeof(char));

  // Deal with Top of CSV
  getline(&buffer, &buff_size, file);
  chars = getline(&buffer, &buff_size, file);

  struct node* head = appendv_node(NULL, parse_line(buffer));

  chars = getline(&buffer, &buff_size, file);

  // Actually Store the CSV
  while(chars != -1) {
  
    appendv_node(head, parse_line(buffer));

    chars = getline(&buffer, &buff_size, file);
  }

  // Free unecessary buffer files
  free(buffer);
  fclose(file);

  return head;

}

struct csv* parse_line(char* line) {

  struct csv* mov = malloc(sizeof(struct csv));

  char* sub = strtok(line, ",");
  char* title = malloc(sizeof(char) *(strlen(sub) + 1));
  strcpy(title,sub);
  mov->title = title;

  mov->year = atoi(strtok(NULL, ","));

  sub = strtok(NULL, ",");
  char* languages = malloc(sizeof(char) *(strlen(sub) + 1));
  strcpy(languages, sub);
  mov->languages = languages;
  //printf("%s\n", csv->languages);

  mov->rating = atof(strtok(NULL, ""));

  return mov;
}

void print_movies(struct node* head) {

  if(!head) {
    printf("You F'd up mate (print_movies)");
    return;
  }

  struct node* node = head;

  while(1) {

    print_line(node->data);

    if(node->node)
      node = node->node;
    else
      return;
  }
}

void print_line(struct csv* printer) {

  printf("%s, %i, %s, %f\n", printer->title, printer->year, printer->languages, printer->rating);

}