#include "cfg.h"

#include "../iniparser/iniparser.h"

#include "../iniparser/dictionary.h"

#include <stdio.h>

static void freeCfgMeta(flib_cfg_meta *cfg) {

	if(cfg) {

		if(cfg->settings) {

			for(int i=0; i<cfg->settingCount; i++) {

				free(cfg->settings[i].iniName);

				free(cfg->settings[i].title);

				free(cfg->settings[i].engineCommand);

				free(cfg->settings[i].image);

			}

			free(cfg->settings);

		}

		if(cfg->mods) {

			for(int i=0; i<cfg->modCount; i++) {

				free(cfg->mods[i].iniName);

			}

			free(cfg->mods);

		}

		free(cfg);

	}

}

flib_cfg_meta *flib_cfg_meta_from_ini(const char *settingpath, const char *modpath) {

	if(!settingpath || !modpath) {

		return NULL;

	}

	flib_cfg_meta *result = calloc(1, sizeof(flib_cfg_meta));

	dictionary *settingfile = iniparser_load(settingpath);

	dictionary *modfile = iniparser_load(modpath);

	if(!result || !settingfile || !modfile) {

		goto handleError;

	}

	result->settingCount = iniparser_getnsec(settingfile);

	result->modCount = iniparser_getnsec(modfile);

	result->settings = calloc(result->settingCount, sizeof(flib_cfg_setting_meta));

	result->mods = calloc(result->modCount, sizeof(flib_cfg_mod_meta));

	if(!result->settings || !result->mods) {

		goto handleError;

	}

	for(int i=0; i<result->settingCount; i++) {

		char *sectionName = iniparser_getsecname(settingfile, i);

		if(!sectionName) {

			goto handleError;

		}

		bool error = false;

		result->settings[i].iniName = flib_strdupnull(sectionName);

		result->settings[i].title = inihelper_getstringdup(settingfile, &error, sectionName, "title");

		result->settings[i].engineCommand = inihelper_getstringdup(settingfile, &error, sectionName, "command");

		result->settings[i].image = inihelper_getstringdup(settingfile, &error, sectionName, "image");

		result->settings[i].checkOverMax = inihelper_getbool(settingfile, &error, sectionName, "checkOverMax");

		result->settings[i].times1000 = inihelper_getbool(settingfile, &error, sectionName, "times1000");

		result->settings[i].min = inihelper_getint(settingfile, &error, sectionName, "min");

		result->settings[i].max = inihelper_getint(settingfile, &error, sectionName, "max");

		result->settings[i].def = inihelper_getint(settingfile, &error, sectionName, "default");

		if(error) {

			flib_log_e("Missing or malformed ini parameter in file %s, section %s", settingpath, sectionName);

			goto handleError;

		}

	}

	for(int i=0; i<result->modCount; i++) {

		char *sectionName = iniparser_getsecname(modfile, i);

		if(!sectionName) {

			goto handleError;

		}

		bool error = false;

		result->mods[i].iniName = flib_strdupnull(sectionName);

		result->mods[i].bitmaskIndex = inihelper_getint(modfile, &error, sectionName, "bitmaskIndex");

		if(error) {

			flib_log_e("Missing or malformed ini parameter in file %s, section %s", modpath, sectionName);

			goto handleError;

		}

	}

	iniparser_freedict(settingfile);

	iniparser_freedict(modfile);

	return result;

	handleError:

	freeCfgMeta(result);

	iniparser_freedict(settingfile);

	iniparser_freedict(modfile);

	return NULL;

}

void flib_cfg_meta_destroy(flib_cfg_meta *metainfo) {

	freeCfgMeta(metainfo);

}

flib_cfg *flib_cfg_create(const flib_cfg_meta *meta, const char *schemeName) {

	flib_cfg *result = calloc(1, sizeof(flib_cfg));

	if(!meta || !result || !schemeName) {

		return NULL;

	}

	result->modCount = meta->modCount;

	result->settingCount = meta->settingCount;

	result->schemeName = flib_strdupnull(schemeName);

	result->mods = calloc(meta->modCount, sizeof(*result->mods));

	result->settings = calloc(meta->settingCount, sizeof(*result->settings));

	if(!result->mods || !result->settings || !result->schemeName) {

		flib_cfg_destroy(result);

		return NULL;

	}

	for(int i=0; i<meta->settingCount; i++) {

		result->settings[i] = meta->settings[i].def;

	}

	return result;

}

flib_cfg *flib_cfg_from_ini_handleError(flib_cfg *result, dictionary *settingfile) {

	iniparser_freedict(settingfile);

	flib_cfg_destroy(result);

	return NULL;

}

flib_cfg *flib_cfg_from_ini(const flib_cfg_meta *meta, const char *filename) {

	if(!meta || !filename) {

		return NULL;

	}

	dictionary *settingfile = iniparser_load(filename);

	if(!settingfile) {

		return NULL;

	}

	bool error = false;

	char *schemename = inihelper_getstring(settingfile, &error, "Scheme", "name");

	if(!schemename) {

		return flib_cfg_from_ini_handleError(NULL, settingfile);

	}

	flib_cfg *result = flib_cfg_create(meta, schemename);

	for(int i=0; i<meta->settingCount; i++) {

		char *key = inihelper_createDictKey("BasicSettings", meta->settings[i].iniName);

		if(!key) {

			return flib_cfg_from_ini_handleError(result, settingfile);

		}

		result->settings[i] = iniparser_getint(settingfile, key, meta->settings[i].def);

		free(key);

	}

	for(int i=0; i<meta->modCount; i++) {

		char *key = inihelper_createDictKey("GameMods", meta->mods[i].iniName);

		if(!key) {

			return flib_cfg_from_ini_handleError(result, settingfile);

		}

		result->mods[i] = iniparser_getboolean(settingfile, key, false);

		free(key);

	}

	iniparser_freedict(settingfile);

	return result;

}

int flib_cfg_to_ini(const flib_cfg_meta *meta, const char *filename, const flib_cfg *config) {

	int result = -1;

	if(meta && filename && config && config->modCount==meta->modCount && config->settingCount==meta->settingCount) {

		dictionary *dict = dictionary_new(0);

		if(dict) {

			bool error = false;

			// Add the sections

			error |= iniparser_set(dict, "Scheme", NULL);

			error |= iniparser_set(dict, "BasicSettings", NULL);

			error |= iniparser_set(dict, "GameMods", NULL);

			// Add the values

			error |= inihelper_setstr(dict, "Scheme", "name", config->schemeName);

			for(int i=0; i<config->settingCount; i++) {

				error |= inihelper_setint(dict, "BasicSettings", meta->settings[i].iniName, config->settings[i]);

			}

			for(int i=0; i<config->modCount; i++) {

				error |= inihelper_setbool(dict, "GameMods", meta->mods[i].iniName, config->mods[i]);

			}

			if(!error) {

				FILE *inifile = fopen(filename, "wb");

				if(inifile) {

					iniparser_dump_ini(dict, inifile);

					fclose(inifile);

					result = 0;

				}

			}

			dictionary_del(dict);

		}

	}

	return result;

}

void flib_cfg_destroy(flib_cfg* cfg) {

	if(cfg) {

		free(cfg->mods);

		free(cfg->settings);

		free(cfg->schemeName);

		free(cfg);

	}

}