#include <stddef.h>

#include "state.h"
#include "ini.h"


// Running State

// TODO


// Persistent State

void cart_info_done(cart_info* cart) {
    if (cart->file) fclose(cart->file);
    free(cart->filename);
}


void nese_state_done(nese_State* state) {
    cart_info_done(&state->cart);
}


static const ini_datum prefs_schema = {
    .type = ini_section,
    .name = "nese",
    .count = 2,
    .data = (ini_datum[]){
        {
            .type = ini_section,
            .name = ".cart",
            .offset = offsetof(nese_State, cart),
            .count = 1,
            .data = (ini_datum[]){
                {
                    .type = ini_string,
                    .name = "filename",
                    .offset = offsetof(cart_info, filename),
                },
            }
        }, {
            .type = ini_section,
            .name = ".flags",
            .offset = offsetof(nese_State, flags),
            .count = 1,
            .data = (ini_datum[]){
                {
                    .type = ini_flag,
                    .name = "fullscreen",
                    .shift = State_Bit_Fullscreen,
                },
            }
        },
    },
};

int save_prefs_file(const nese_State* state, FILE* file) {
    return write_ini_file(file, &prefs_schema, state);
}

int load_prefs_file(nese_State* state, FILE* file) {
    return read_ini_file(file, &prefs_schema, state);
}

int save_prefs_filename(const nese_State* state,
                        const char* filename) {
    int status = -1;
    FILE* file = fopen(filename, "w");
    if (NULL != file) {
        status = write_ini_file(file, &prefs_schema, state);
        fclose(file);
    }
    return status;
}

int load_prefs_filename(nese_State* state,
                        const char* filename) {
    int status = -1;
    FILE* file = fopen(filename, "r");
    if (NULL != file) {
        status = read_ini_file(file, &prefs_schema, state);
        fclose(file);
    }
    return status;
}