#ifndef MAIN_INTERFACE_H
#define MAIN_INTERFACE_H
#include<iostream>
#include<string>
#include<ctime>
#include<array>
#include<chrono>
#include<limits>
#include<vector>
#include"global.h"
#include"month.h"
#include"year.h"
#include"day_interface.h"
#include"manage_interface.h"
#include"user.h"
#include"dialogue_interface.h"



//下标年=年份-2023，下标月=月份-1,下标日=号数-1
//函数
const std::vector<year> get_year_vec();
//void welcome_interface();
void print_daiban_schedule();
void list_chengyuan(std::vector<user>& user_vec);
//变量
extern std::vector<riqi>riqi_vec;
extern std::vector<year> year_vec;
extern std::vector<user>user_vec;

//跳转到当前月份
const std::array<unsigned int,2> skip_default()
{
	year_vec[now_year - 2023].get_month_arr()[now_month - 1].display_month();
	return {now_year,now_month};
}
//跳转任意月份
const std::array<unsigned int,2> skip(unsigned int display_year,unsigned int display_month,std::string user_name)//不能返回引用
{
	if(std::cin.get() == '\n')
	{
		system("cls");
		std::string text = '*' + user_name + '*';
		// 计算文本两侧的空格数，使文本居中
		int padding = (139 - text.length()) / 2;
		// 设置填充字符
		std::cout << std::setfill(' ');
		// 输出居中的文本
		std::cout << std::setw(padding + text.length()) << text << std::endl;
		std::cout <<  "键入help/h获取帮助..." << std::endl;
		std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
		print_daiban_schedule();
		std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
		skip_default();
		return {now_year,now_month};
	}
	unsigned int year_2000 = 0,month = 0;
	if(!(std::cin >> year_2000) || (year_2000 + 2000) < 2023 || (year_2000 + 2000) > (2023 + 49))
	{
		if(year_2000 >= 1 && year_2000 <= 12)//默认情况
		{

			std::cin.ignore();
			system("cls");
			std::string text = '*' + user_name + '*';
			// 计算文本两侧的空格数，使文本居中
			int padding = (139 - text.length()) / 2;
			// 设置填充字符
			std::cout << std::setfill(' ');
			// 输出居中的文本
			std::cout << std::setw(padding + text.length()) << text << std::endl;
			std::cout <<  "键入help/h获取帮助..." << std::endl;
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
			print_daiban_schedule();
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
			month = year_2000;
			year_vec[display_year - 2023].get_month_arr()[month - 1].
				display_month();
			return {display_year,month};
		}
		else
		{
			std::cin.clear();
			std::cin.ignore(std::numeric_limits<std::streamsize>::max(),'\n');
			std::cout << f_red << "操作失败：输入格式不正确！" << reset << std::endl;
			return{display_year,display_month};
		}
	}
	if(!(std::cin >> month) || month < 1 || month>12)
	{
		std::cin.clear();
		std::cin.ignore(std::numeric_limits<std::streamsize>::max(),'\n');
		std::cout << f_red << "操作失败：输入格式不正确！" << reset << std::endl;
		return{display_year,display_month};
	}
	//正常情况
	std::cin.ignore();
	system("cls");
	std::string text = '*' + user_name + '*';
	// 计算文本两侧的空格数，使文本居中
	int padding = (139 - text.length()) / 2;
	// 设置填充字符
	std::cout << std::setfill(' ');
	// 输出居中的文本
	std::cout << std::setw(padding + text.length()) << text << std::endl;
	std::cout <<  "键入help/h获取帮助..." << std::endl;
	std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
	print_daiban_schedule();
	std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
	year_vec[year_2000 + 2000 - 2023].get_month_arr()[month - 1].
		display_month();
	return {year_2000 + 2000,month};
}




//主界面帮助菜单
void main_interface_qunzhu_help()
{
	std::cout << f_qingse;
	std::cout << "manage/m:管理成员\n";
	std::cout << "dialogue/d:进入对话\n";
	std::cout << "today/t:查看今天日程\n";
	std::cout << "n(n为号数)：查看此天日程\n";
	std::cout << "skip:跳转到当前月份\n";
	std::cout << "skip a:跳转到当年a月\n";
	std::cout << "skip a（a为年份后两位）b:跳转到a年b月\n";
	std::cout << "back/b:回到上一级" << std::endl;
	std::cout << "exit/e:退出日历" << std::endl;
	std::cout << reset;
}
void main_interface_guanliyuan_qunchengyuan_help()
{
	std::cout << f_qingse;
	std::cout << "dialogue/d:进入对话\n";
	std::cout << "today/t:查看今天日程\n";
	std::cout << "n(n为号数)：查看此天日程\n";
	std::cout << "skip:跳转到当前月份\n";
	std::cout << "skip a:跳转到当年a月\n";
	std::cout << "skip a（a为年份后两位）b:跳转到a年b月\n";
	std::cout << "back/b:回到上一级" << std::endl;
	std::cout << "exit/e:退出日历" << std::endl;
	std::cout << reset;
}



//主界面接受命令
std::string acceptcommand(std::string command,unsigned int diaplay_year_number,
	unsigned int display_month_number,user u)
{
	std::string user_name = u.get_user_name();
	if(u.get_user_shenfen() == "群主")
	{
		if(string_is_space(command))
		{
			return command;
		}
		else if(command == "help"||command=="h")
		{
			std::cin.ignore();
			main_interface_qunzhu_help();
			return command;
		}
		else if(command == "manage"||command=="m")
		{
			manage_interface(user_vec, user_name);
			system("cls");
			std::string text = '*' + user_name + '*';
			// 计算文本两侧的空格数，使文本居中
			int padding = (139 - text.length()) / 2;
			// 设置填充字符
			std::cout << std::setfill(' ');
			// 输出居中的文本
			std::cout << std::setw(padding + text.length()) << text << std::endl;
			std::cout << "键入help/h获取帮助..." << std::endl;
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
			print_daiban_schedule();
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
			year_vec[diaplay_year_number - 2023].get_month_arr()[display_month_number - 1].display_month();
			return command;
		}
		else if(command == "dialogue"||command=="d")
		{
			dialogue_interface(user_vec, user_name);
			system("cls");
			std::string text = '*' + user_name + '*';
			// 计算文本两侧的空格数，使文本居中
			int padding = (139 - text.length()) / 2;
			// 设置填充字符
			std::cout << std::setfill(' ');
			// 输出居中的文本
			std::cout << std::setw(padding + text.length()) << text << std::endl;
			std::cout << "键入help/h获取帮助..." << std::endl;
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------" << std::endl;
			print_daiban_schedule();
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------" << std::endl;
			year_vec[diaplay_year_number - 2023].get_month_arr()[display_month_number - 1].display_month();
			return command;
		}
		else if(string_is_number(command))
		{
			std::cin.ignore();
			auto command_number = string_to_unsigned(command);
			if(command_number >= 1 && command_number <= year_vec[diaplay_year_number - 2023].get_month_arr()[display_month_number - 1].get_day_vec_size())
			{
				day_interface(diaplay_year_number, display_month_number, command_number, u);
				return command;
			}
			else
			{
				std::cout << f_red << "操作失败：输入格式不正确！" << reset << std::endl;
				return command;
			}
		}
		else if(command == "today"||command=="t")
		{
			std::cin.ignore();
			day_interface(now_year, now_month, now_day,u);
			return command;
		}

		else if(command == "back"||command=="b")
		{
			return command;
		}
		else if(command == "exit"||command=="e")
		{
			return command;
		}
		else
		{
			std::cin.ignore();
			std::cout << f_red << "操作失败：未找到该指令！" << reset << std::endl;
			return command;
		}
	}




	else if(u.get_user_shenfen() == "管理员"|| u.get_user_shenfen() == "群成员")
	{
		if(string_is_space(command))
		{
			return command;
		}
		else if(command == "help"||command=="h")
		{
			std::cin.ignore();
			main_interface_guanliyuan_qunchengyuan_help();
			return command;
		}
		else if(command == "dialogue"||command=="d")
		{
			dialogue_interface(user_vec, user_name);
			system("cls");
			std::string text = '*' + user_name + '*';
			// 计算文本两侧的空格数，使文本居中
			int padding = (139 - text.length()) / 2;
			// 设置填充字符
			std::cout << std::setfill(' ');
			// 输出居中的文本
			std::cout << std::setw(padding + text.length()) << text << std::endl;
			std::cout << "键入help/h获取帮助..." << std::endl;
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------" << std::endl;
			print_daiban_schedule();
			std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------" << std::endl;
			year_vec[diaplay_year_number - 2023].get_month_arr()[display_month_number - 1].display_month();
			return command;
		}
		else if(string_is_number(command))
		{
			std::cin.ignore();
			auto command_number = string_to_unsigned(command);
			if(command_number >= 1 && command_number <= year_vec[diaplay_year_number - 2023].get_month_arr()[display_month_number - 1].get_day_vec_size())
			{
				day_interface(diaplay_year_number, display_month_number, command_number, u);
				return command;
			}
			else
			{
				std::cout << f_red << "操作失败：输入格式不正确！" << reset << std::endl;
				return command;
			}
		}
		else if(command == "today"||command=="t")
		{
			std::cin.ignore();
			day_interface(now_year, now_month, now_day, u);
			return command;
		}
		else if(command == "back"||command=="b")
		{
			return command;
		}
		else if(command == "exit"||command=="e")
		{
			return command;
		}
		else
		{
			std::cin.ignore();
			std::cout << f_red << "操作失败：未找到该指令！" << reset << std::endl;
			return command;
		}
	}
}



//主界面
std::string main_interface(user u)
{
	std::string user_name = u.get_user_name();
	std::string text = '*' + user_name + '*';
	// 计算文本两侧的空格数，使文本居中
	int padding = (139 - text.length()) / 2;
	// 设置填充字符
	std::cout << std::setfill(' ');
	// 输出居中的文本
	std::cout << std::setw(padding + text.length()) << text << std::endl;
	std::cout << "键入help/h获取帮助..." << std::endl;
	std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------"<<std::endl;
	print_daiban_schedule();
	std::cout << "  ---------------------------------------------------------------------------------------------------------------------------------" << std::endl;
	//展示本月日历
	skip_default();
	std::array<unsigned int, 2>arr = {now_year,now_month};
	//接受命令
	std::string com;
	std::cout << "@" << user_name << ":~$ ";
	while(true)
	{
		while(std::cin.peek() == '\n')
		{
			std::cout << "@" << user_name << ":~$ ";
			std::cin.ignore();
		}
		std::cin >> com;

		if(com == "skip")
		{
			arr = skip(arr[0], arr[1],user_name);
			std::cout << "@" << user_name << ":~$ ";
			continue;
		}
		std::string command = acceptcommand(com, arr[0], arr[1], u);
		if(command != "back"&&command!="b" && command != "exit" && command != "e")
		{
			std::cout << "@" << user_name << ":~$ ";
			continue;
		}
		return command;
	}
	std::cout << f_red << "程序异常退出！" << reset << std::endl;
	exit(7);
}

#endif // !MAIN_H