#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "conf.h"

void readConfs(ptConf confChain) {
    FILE *file = fopen("./data/confs", "r");
    char line[100];
    char *token;

    if (file == NULL) {
        printf("ça marche pas.");
        return;
    }

    while (fgets(line, sizeof(line), file)) {
        int id = atoi(strtok(line, ","));
        char *title = strtok(NULL, ",");
        char *speaker = strtok(NULL, ",");
        int day = atoi(strtok(NULL, ","));
        int month = atoi(strtok(NULL, ","));
        int year = atoi(strtok(NULL, ","));

        addConf(confChain, id, title, speaker, day, month, year);
    }

    fclose(file);
}

void readListeners(ptListener listenerChain) {
    FILE *file = fopen("./data/listeners", "r");
    char line[100];
    char *token;

    if (file == NULL) {
        printf("ça marche pas.");
        return;
    }

    while (fgets(line, sizeof(line), file)) {
        int id = atoi(strtok(line, ","));
        char *name = strtok(NULL, ",");
        int day = atoi(strtok(NULL, ","));
        int month = atoi(strtok(NULL, ","));
        addListener(listenerChain, id, name, day, month);
    }

    fclose(file);
}

void readRelations(ptConf confChain, ptListener listenerChain) {
	FILE *file = fopen("./data/relations", "r");
	char line[100];
	char *token1;
    char *token2;
	
	if (file == NULL) {
		printf("ça marche pas.");
		return;
	}
	
	while (fgets(line, sizeof(line), file)) {
        int confId = atoi(strtok(line, ":"));

        while ((token1 = strtok(NULL, ";")) != NULL && (token2 = strtok(NULL, ",")) != NULL) {
            participateToConf(confChain, listenerChain, confId, atoi(token1), atoi(token2));
        }
    }

    fclose(file);
}

void saveConf(ptConf confChain) {
    FILE *file = fopen("./data/confs", "w");
    ptConf px = confChain;
    while(px -> next != NULL){
        fprintf(file,"%d,%s,%s,%d,%d,%d\n",px -> id,px -> title,px -> speaker,px -> day,px -> month,px -> year);
        px = px -> next;
    }
    fclose(file);
}

void saveListeners(ptListener listenerChain) {
    FILE *file = fopen("./data/listeners", "w");
    ptListener px = listenerChain;
    while(px -> next != NULL){
        fprintf(file,"%d,%s,%d,%d\n",px -> id,px -> name,px -> age,px -> level);
        px = px -> next;
    }
    fclose(file);
}

void saveRelations(ptConf confChain) {
    FILE *file = fopen("./data/relations", "w");
    ptConf px = confChain;
    ptListenerList py;
    while(px -> next != NULL){
        py = px -> listeners;

        if (py -> next != NULL) {
            fprintf(file, "%d:", px -> id);
        }            

        while (py -> next != NULL) {
            fprintf(file, "%d;%d", py -> listener -> id, py -> grade);
            if (py -> next -> next != NULL) {
                fprintf(file, ",");
            } else {
                fprintf(file, "\n");
            }
            py = py -> next;
        }

        px = px -> next;
    }
    fclose(file);
}