#pragma once
#include "ListDisplay.hpp"
#include "ListE.hpp"
#include "Record.hpp"
#include <ctime>
#include <filesystem>
#include <string>

namespace infoManagerCommand {
namespace home {
enum cmd {
    newRecord = 1,
    removeRecord,
    modifyRecord,
    setFilter,
    unsetFilter,
    setSortBy,
    flipSortOrder,
    help,
    saveFile,
    closeFile,
    quit
};
}

namespace promptFileName {
enum cmd { openFile = 1, newFile };
}

namespace promptSaveBeforeClose {
enum cmd { save = 1, noSave };
}

namespace promptNewRecord {
enum cmd { lateRecord = 1, absentRecord, PersonalLeaveRecord };
}

namespace promptNewInfo {
enum cmd { date = 1, courseName, studentInfo };
}

namespace filterSettings {
enum cmd {
    recordID = 1,
    fromDate,
    toDate,
    courseName,
    studentID,
    studentName,
    recordType,
};
}

namespace sortbySettings {
enum cmd { recordID = 1, date, courseName, studentID, studentName, recordType };
}
} // namespace infoManagerCommand

class StudentInfoManager {
private:
    List<BaseRecord *> recordPtrList;
    std::filesystem::directory_entry file;
    ListDisplay displayer;
    bool hasChangePendingSave;
    // Open the file in this->file. Assumes that the file exists.
    void readFile();
    // Save the file to this->file. If the file does not exists, create one; if
    // such exists, overwrite.
    void saveFile();
    // Reset this->file, and reset BaseRecord::nextRecordID
    void closeFile();
    // Prompt for "open file name" or "new file name". Returns true if user
    // selected open file and needs to call readFile(); returns false if user
    // selects new file and no call to readFile() is needed.
    bool promptForFileName();
    // The following functions are for handling commands user typed in. Returns
    // true when user goes deeper and finally selected  a command. Returns false
    // if user typed 'esc' to quit.
    // The base for listening command.
    bool cmdNew();
    bool cmdRemove();
    bool cmdModify();
    bool cmdSetFilter();
    bool cmdSetSortby();
    void displayHelp();

public:
    // Use when no command line argument exists
    StudentInfoManager();
    // Use when has command line argument
    StudentInfoManager(const std::string _fileName);
    void mainloop();
    ~StudentInfoManager();
};