/*
 *  commandoptions.h  -  extract command line options
 *  Program:  kalarm
 *  Copyright © 2001-2020 David Jarvie <djarvie@kde.org>
 *
 *  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.
 */

#ifndef COMMANDOPTIONS_H
#define COMMANDOPTIONS_H

#include "editdlg.h"
#include "eventid.h"

#include <KAlarmCal/KAEvent>
#include <KAlarmCal/KARecurrence>
#include <KAlarmCal/KADateTime>

#include <QColor>
#include <QStringList>
class QCommandLineParser;
class QCommandLineOption;

using namespace KAlarmCal;

class CommandOptions
{
    public:
        enum Command
        {
            CMD_ERROR,        // error in command line options
            NONE,             // no command
            EXIT,             // print outputText() and exit
            TRAY,             // --tray
            TRIGGER_EVENT,    // --triggerEvent
            CANCEL_EVENT,     // --cancelEvent
            EDIT,             // --edit
            EDIT_NEW_PRESET,  // --edit-new-preset
            EDIT_NEW,         // --edit-new-display, --edit-new-command, --edit-new-email
            NEW,              // --file, --exec-display, --exec, --mail, message
            LIST              // --list
        };
        QStringList setOptions(QCommandLineParser*, const QStringList& args);
        static CommandOptions* firstInstance()        { return mFirstInstance; }
        CommandOptions();
        void                parse();
        void                process();
        Command             command() const           { return mCommand; }
        QString             commandName() const       { return optionName(mCommandOpt); }
        QString             eventId() const           { return mEventId; }
        QString             resourceId() const        { return mResourceId; }
        QString             templateName() const      { return mTemplateName; }
        EditAlarmDlg::Type  editType() const          { return mEditType; }
        KAEvent::SubAction  editAction() const        { return mEditAction; }
        QString             text() const              { return mText; }
        KADateTime          alarmTime() const         { return mAlarmTime; }
        KARecurrence*       recurrence() const        { return mRecurrence; }
        int                 subRepeatCount() const    { return mRepeatCount; }
        KCalendarCore::Duration  subRepeatInterval() const { return mRepeatInterval; }
        int                 lateCancel() const        { return mLateCancel; }
        QColor              bgColour() const          { return mBgColour; }
        QColor              fgColour() const          { return mFgColour; }
        int                 reminderMinutes() const   { return mReminderMinutes; }
        QString             audioFile() const         { return mAudioFile; }
        float               audioVolume() const       { return mAudioVolume; }
        KCalendarCore::Person::List addressees() const     { return mAddressees; }
        QStringList         attachments() const       { return mAttachments; }
        QString             subject() const           { return mSubject; }
        uint                fromID() const            { return mFromID; }
        KAEvent::Flags      flags() const             { return mFlags; }
        bool                disableAll() const        { return mDisableAll; }
        QString             outputText() const        { return mError; }
#ifndef NDEBUG
        KADateTime          simulationTime() const    { return mSimulationTime; }
#endif
        static void         printError(const QString& errmsg);

    private:
        enum Option
        {
            ACK_CONFIRM,
            ATTACH,
            AUTO_CLOSE,
            BCC,
            BEEP,
            COLOUR,
            COLOURFG,
            OptCANCEL_EVENT,
            DISABLE,
            DISABLE_ALL,
            EXEC,
            EXEC_DISPLAY,
            OptEDIT,
            EDIT_NEW_DISPLAY,
            EDIT_NEW_COMMAND,
            EDIT_NEW_EMAIL,
            EDIT_NEW_AUDIO,
            OptEDIT_NEW_PRESET,
            FILE,
            FROM_ID,
            INTERVAL,
            KORGANIZER,
            LATE_CANCEL,
            OptLIST,
            LOGIN,
            MAIL,
            PLAY,
            PLAY_REPEAT,
            RECURRENCE,
            REMINDER,
            REMINDER_ONCE,
            REPEAT,
            SPEAK,
            SUBJECT,
#ifndef NDEBUG
            TEST_SET_TIME,
#endif
            TIME,
            OptTRAY,
            OptTRIGGER_EVENT,
            UNTIL,
            VOLUME,
            Num_Options,       // number of Option values
            Opt_Message        // special value representing "message"
        };

        bool        checkCommand(Option, Command, EditAlarmDlg::Type = EditAlarmDlg::NO_TYPE);
        void        setError(const QString& error);
        void        setErrorRequires(Option opt, Option opt2, Option opt3 = Num_Options);
        void        setErrorParameter(Option);
        void        setErrorIncompatible(Option opt1, Option opt2);
        void        checkEditType(EditAlarmDlg::Type type, Option opt)
                                  { checkEditType(type, EditAlarmDlg::NO_TYPE, opt); }
        void        checkEditType(EditAlarmDlg::Type, EditAlarmDlg::Type, Option);
        QString     arg(int n);
        QString     optionName(Option, bool shortName = false) const;

        static CommandOptions* mFirstInstance;       // the first instance
        QCommandLineParser* mParser {nullptr};
        QVector<QCommandLineOption*> mOptions;       // all possible command line options
        QStringList         mNonExecArguments;       // arguments except for --exec or --exec-display parameters
        QStringList         mExecArguments;          // arguments for --exec or --exec-display
        QString             mError;                  // error message
        Command             mCommand {NONE};         // the selected command
        Option              mCommandOpt;             // option for the selected command
        QString             mEventId;                // TRIGGER_EVENT, CANCEL_EVENT, EDIT: event ID
        QString             mResourceId;             // TRIGGER_EVENT, CANCEL_EVENT, EDIT: optional resource ID
        QString             mTemplateName;           // EDIT_NEW_PRESET: template name
        EditAlarmDlg::Type  mEditType;               // NEW, EDIT_NEW_*: alarm edit type
        KAEvent::SubAction  mEditAction;             // NEW: alarm edit sub-type
        bool                mEditActionSet {false};  // NEW: mEditAction is valid
        QString             mText;                   // NEW: alarm text
        KADateTime          mAlarmTime;              // NEW: alarm time
        KARecurrence*       mRecurrence {nullptr};   // NEW: recurrence
        int                 mRepeatCount {0};        // NEW: sub-repetition count
        KCalendarCore::Duration mRepeatInterval {0}; // NEW: sub-repetition interval
        int                 mLateCancel {0};         // NEW: late-cancellation interval
        QColor              mBgColour;               // NEW: background colour
        QColor              mFgColour;               // NEW: foreground colour
        int                 mReminderMinutes {0};    // NEW: reminder period
        QString             mAudioFile;              // NEW: audio file path
        float               mAudioVolume {-1.0f};    // NEW: audio file volume
        KCalendarCore::Person::List mAddressees;     // NEW: email addressees
        QStringList         mAttachments;            // NEW: email attachment file names
        QString             mSubject;                // NEW: email subject
        uint                mFromID {0};             // NEW: email sender ID
        KAEvent::Flags      mFlags;                  // NEW: event flags
        bool                mDisableAll {false};     // disable all alarm monitoring
#ifndef NDEBUG
        KADateTime          mSimulationTime;         // system time to be simulated, or invalid if none
#endif
};

#endif // COMMANDOPTIONS_H

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