/*
 * Hedgewars, a free turn based strategy game
 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "team.h"

#include "../util/inihelper.h"
#include "../util/util.h"
#include "../util/logging.h"

#include <string.h>
#include <stdlib.h>

static flib_team *from_ini_handleError(flib_team *result, flib_ini *settingfile) {
	flib_ini_destroy(settingfile);
	flib_team_destroy(result);
	return NULL;
}

flib_team *flib_team_from_ini(const char *filename) {
	if(log_badargs_if(filename==NULL)) {
		return NULL;
	}

	flib_team *result = flib_calloc(1, sizeof(flib_team));
	flib_ini *ini = NULL;

	if(!result) {
		return from_ini_handleError(result, ini);
	}

	ini = flib_ini_load(filename);
	if(!ini) {
		flib_log_e("Error loading team file %s", filename);
		return from_ini_handleError(result, ini);
	}

	if(flib_ini_enter_section(ini, "team")) {
		flib_log_e("Missing section \"Team\" in team file %s", filename);
		return from_ini_handleError(result, ini);
	}
	bool error = false;
	error |= flib_ini_get_str(ini, &result->name, "name");
	error |= flib_ini_get_str(ini, &result->grave, "grave");
	error |= flib_ini_get_str(ini, &result->fort, "fort");
	error |= flib_ini_get_str(ini, &result->voicepack, "voicepack");
	error |= flib_ini_get_str(ini, &result->flag, "flag");
	error |= flib_ini_get_int(ini, &result->rounds, "rounds");
	error |= flib_ini_get_int(ini, &result->wins, "wins");
	error |= flib_ini_get_int(ini, &result->campaignProgress, "campaignprogress");

	int difficulty = 0;
	error |= flib_ini_get_int(ini, &difficulty, "difficulty");

	if(error) {
		flib_log_e("Missing or malformed entry in section \"Team\" in file %s", filename);
		return from_ini_handleError(result, ini);
	}

	for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
		char sectionName[32];
		if(snprintf(sectionName, sizeof(sectionName), "hedgehog%i", i) <= 0) {
			return from_ini_handleError(result, ini);
		}
		if(flib_ini_enter_section(ini, sectionName)) {
			flib_log_e("Missing section \"%s\" in team file %s", sectionName, filename);
			return from_ini_handleError(result, ini);
		}
		flib_hog *hog = &result->hogs[i];
		error |= flib_ini_get_str(ini, &hog->name, "name");
		error |= flib_ini_get_str(ini, &hog->hat, "hat");
		error |= flib_ini_get_int(ini, &hog->rounds, "rounds");
		error |= flib_ini_get_int(ini, &hog->kills, "kills");
		error |= flib_ini_get_int(ini, &hog->deaths, "deaths");
		error |= flib_ini_get_int(ini, &hog->suicides, "suicides");
		result->hogs[i].difficulty = difficulty;
		result->hogs[i].initialHealth = TEAM_DEFAULT_HEALTH;

		if(error) {
			flib_log_e("Missing or malformed entry in section \"%s\" in file %s", sectionName, filename);
			return from_ini_handleError(result, ini);
		}
	}

	if(!flib_ini_enter_section(ini, "binds")) {
		result->bindingCount = flib_ini_get_keycount(ini);
		if(result->bindingCount<0) {
			flib_log_e("Error reading bindings from file %s", filename);
			result->bindingCount = 0;
		}
		result->bindings = flib_calloc(result->bindingCount, sizeof(flib_binding));
		if(!result->bindings) {
			return from_ini_handleError(result, ini);
		}
		for(int i=0; i<result->bindingCount; i++) {
			char *keyname = flib_ini_get_keyname(ini, i);
			if(!keyname) {
				error = true;
			} else {
				result->bindings[i].action = flib_urldecode(keyname);
				error |= !result->bindings[i].action;
				error |= flib_ini_get_str(ini, &result->bindings[i].binding, keyname);
			}
			free(keyname);
		}
	}

	if(error) {
		flib_log_e("Error reading team file %s", filename);
		return from_ini_handleError(result, ini);
	}

	flib_ini_destroy(ini);
	return result;
}

void flib_team_destroy(flib_team *team) {
	if(team) {
		for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
			free(team->hogs[i].name);
			free(team->hogs[i].hat);
			flib_weaponset_destroy(team->hogs[i].weaponset);
		}
		free(team->name);
		free(team->grave);
		free(team->fort);
		free(team->voicepack);
		free(team->flag);
		if(team->bindings) {
			for(int i=0; i<team->bindingCount; i++) {
				free(team->bindings[i].action);
				free(team->bindings[i].binding);
			}
		}
		free(team->bindings);
		free(team->ownerName);
		free(team);
	}
}

static int writeTeamSection(const flib_team *team, flib_ini *ini) {
	if(flib_ini_create_section(ini, "team")) {
		return -1;
	}
	bool error = false;
	error |= flib_ini_set_str(ini, "name",  team->name);
	error |= flib_ini_set_str(ini, "grave", team->grave);
	error |= flib_ini_set_str(ini, "fort", team->fort);
	error |= flib_ini_set_str(ini, "voicepack", team->voicepack);
	error |= flib_ini_set_str(ini, "flag", team->flag);
	error |= flib_ini_set_int(ini, "rounds", team->rounds);
	error |= flib_ini_set_int(ini, "wins", team->wins);
	error |= flib_ini_set_int(ini, "campaignprogress", team->campaignProgress);
	error |= flib_ini_set_int(ini, "difficulty", team->hogs[0].difficulty);
	return error;
}

static int writeHogSections(const flib_team *team, flib_ini *ini) {
	for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
		const flib_hog *hog = &team->hogs[i];
		char sectionName[32];
		if(snprintf(sectionName, sizeof(sectionName), "hedgehog%i", i) <= 0) {
			return -1;
		}
		if(flib_ini_create_section(ini, sectionName)) {
			return -1;
		}
		bool error = false;
		error |= flib_ini_set_str(ini, "name", hog->name);
		error |= flib_ini_set_str(ini, "hat", hog->hat);
		error |= flib_ini_set_int(ini, "rounds", hog->rounds);
		error |= flib_ini_set_int(ini, "kills", hog->kills);
		error |= flib_ini_set_int(ini, "deaths", hog->deaths);
		error |= flib_ini_set_int(ini, "suicides", hog->suicides);
		if(error) {
			return error;
		}
	}
	return 0;
}

static int writeBindingSection(const flib_team *team, flib_ini *ini) {
	if(team->bindingCount == 0) {
		return 0;
	}
	if(flib_ini_create_section(ini, "binds")) {
		return -1;
	}
	for(int i=0; i<team->bindingCount; i++) {
		bool error = false;
		char *action = flib_urlencode(team->bindings[i].action);
		if(action) {
			error |= flib_ini_set_str(ini, action, team->bindings[i].binding);
			free(action);
		} else {
			error = true;
		}
		if(error) {
			return error;
		}
	}
	return 0;
}

int flib_team_to_ini(const char *filename, const flib_team *team) {
	int result = -1;
	if(!log_badargs_if2(filename==NULL, team==NULL)) {
		flib_ini *ini = flib_ini_create(filename);
		bool error = false;
		error |= writeTeamSection(team, ini);
		error |= writeHogSections(team, ini);
		error |= writeBindingSection(team, ini);
		if(!error) {
			result = flib_ini_save(ini, filename);
		}
		flib_ini_destroy(ini);
	}
	return result;
}

int flib_team_set_weaponset(flib_team *team, const flib_weaponset *set) {
	if(team) {
		for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
			flib_weaponset_destroy(team->hogs[i].weaponset);
			team->hogs[i].weaponset = flib_weaponset_copy(set);
			if(set && !team->hogs[i].weaponset) {
				return -1;
			}
		}
	}
	return 0;
}

void flib_team_set_health(flib_team *team, int health) {
	if(team) {
		for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
			team->hogs[i].initialHealth = health;
		}
	}
}

static char *strdupWithError(const char *in, bool *error) {
	char *out = flib_strdupnull(in);
	if(in && !out) {
		*error = true;
	}
	return out;
}

flib_team *flib_team_copy(const flib_team *team) {
	flib_team *result = NULL;
	if(team) {
		flib_team *tmpTeam = flib_calloc(1, sizeof(flib_team));
		if(tmpTeam) {
			bool error = false;

			for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
				tmpTeam->hogs[i].name = strdupWithError(team->hogs[i].name, &error);
				tmpTeam->hogs[i].hat = strdupWithError(team->hogs[i].hat, &error);
				tmpTeam->hogs[i].rounds = team->hogs[i].rounds;
				tmpTeam->hogs[i].kills = team->hogs[i].kills;
				tmpTeam->hogs[i].deaths = team->hogs[i].deaths;
				tmpTeam->hogs[i].suicides = team->hogs[i].suicides;
				tmpTeam->hogs[i].difficulty = team->hogs[i].difficulty;
				tmpTeam->hogs[i].initialHealth = team->hogs[i].initialHealth;
				tmpTeam->hogs[i].weaponset = flib_weaponset_copy(team->hogs[i].weaponset);
				if(team->hogs[i].weaponset && !tmpTeam->hogs[i].weaponset) {
					error = true;
				}
			}

			tmpTeam->name = strdupWithError(team->name, &error);
			tmpTeam->grave = strdupWithError(team->grave, &error);
			tmpTeam->fort = strdupWithError(team->fort, &error);
			tmpTeam->voicepack = strdupWithError(team->voicepack, &error);
			tmpTeam->flag = strdupWithError(team->flag, &error);
			tmpTeam->ownerName = strdupWithError(team->ownerName, &error);

			tmpTeam->bindingCount = team->bindingCount;
			if(team->bindings) {
				tmpTeam->bindings = flib_calloc(team->bindingCount, sizeof(flib_binding));
				if(tmpTeam->bindings) {
					for(int i=0; i<tmpTeam->bindingCount; i++) {
						tmpTeam->bindings[i].action = strdupWithError(team->bindings[i].action, &error);
						tmpTeam->bindings[i].binding = strdupWithError(team->bindings[i].binding, &error);
					}
				} else {
					error = true;
				}
			}

			tmpTeam->rounds = team->rounds;
			tmpTeam->wins = team->wins;
			tmpTeam->campaignProgress = team->campaignProgress;

			tmpTeam->colorIndex = team->colorIndex;
			tmpTeam->hogsInGame = team->hogsInGame;
			tmpTeam->remoteDriven = team->remoteDriven;

			if(!error) {
				result = tmpTeam;
				tmpTeam = 0;
			}
		}
		flib_team_destroy(tmpTeam);
	}
	return result;
}