#ifndef MAINFORM_H
#define MAINFORM_H

#include "sqltextedit.h"
#include "sqlitedb.h"

#include <QMainWindow>
#include <QStandardItemModel>
#include <QMap>

class QDragEnterEvent;
class EditDialog;
class SQLiteSyntaxHighlighter;
class QStandardItemModel;
class QIntValidator;
class QLabel;
class QModelIndex;
class SqliteTableModel;
class DbStructureModel;
class QNetworkReply;
class QNetworkAccessManager;
class QTreeWidgetItem;

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget* parent = 0);
    ~MainWindow();

    DBBrowserDB* getDb() { return &db; }

private:
    struct PragmaValues
    {
        int autovacuum;
        int automatic_index;
        int checkpoint_fullsync;
        int foreign_keys;
        int fullfsync;
        int ignore_check_constraints;
        QString journal_mode;
        int journal_size_limit;
        QString locking_mode;
        int max_page_count;
        int page_size;
        int recursive_triggers;
        int secure_delete;
        int synchronous;
        int temp_store;
        int user_version;
        int wal_autocheckpoint;
    } pragmaValues;

    enum PlotColumns
    {
        PlotColumnField = 0,
        PlotColumnX = 1,
        PlotColumnY = 2,
        PlotColumnDummy = 3
    };

    Ui::MainWindow* ui;

    SqliteTableModel* m_browseTableModel;
    SqliteTableModel* m_currentPlotModel;
    QMenu *popupTableMenu;
    QMenu *recentFilesMenu;

    QLabel* statusEncodingLabel;

    SQLiteSyntaxHighlighter* sqliteHighlighterLogUser;
    SQLiteSyntaxHighlighter* sqliteHighlighterLogApp;

    DbStructureModel* dbStructureModel;

    enum { MaxRecentFiles = 5 };
    QAction *recentFileActs[MaxRecentFiles];
    QAction *recentSeparatorAct;

    int curBrowseOrderByIndex;
    Qt::SortOrder curBrowseOrderByMode;
    QMap<QString, QMap<int, int> > browseTableColumnWidths;

    EditDialog* editWin;
    QIntValidator* gotoValidator;

    DBBrowserDB db;

    QStandardItemModel completerModelTables;
    SqlTextEdit::FieldCompleterModelMap completerModelsFields;

    QNetworkAccessManager* m_NetworkManager;

    void init();
    void clearCompleterModelsFields();

    void updateRecentFileActions();
    void setCurrentFile(const QString& fileName);
    void activateFields(bool enable = true);
    void loadExtensionsFromSettings();

protected:
    void closeEvent(QCloseEvent *);
    void dragEnterEvent(QDragEnterEvent *event);
    void dropEvent(QDropEvent *event);
    void resizeEvent(QResizeEvent *event);

public slots:
    bool fileOpen(const QString& fileName);
    void logSql(const QString &sql, int msgtype);
    void dbState(bool dirty);
    void browseRefresh();

private slots:
    void createTreeContextMenu(const QPoint & qPoint);
    void changeTreeSelection();
    void fileOpen();
    void fileNew();
    void populateStructure();
    void populateTable(const QString& tablename);
    void resetBrowser();
    void fileClose();
    void addRecord();
    void deleteRecord();
    void selectTableLine( int lineToSelect );
    void navigatePrevious();
    void navigateNext();
    void navigateGoto();
    void setRecordsetLabel();
    void createTable();
    void createIndex();
    void compact();
    void deleteObject();
    void editTable();
    void helpWhatsThis();
    void helpAbout();
    void updateRecordText(int row, int col, const QByteArray& newtext);
    void editWinAway();
    void editText(const QModelIndex& index);
    void doubleClickTable(const QModelIndex& index);
    void executeQuery();
    void importTableFromCSV();
    void exportTableToCSV();
    void fileSave();
    void fileRevert();
    void exportDatabaseToSQL();
    void importDatabaseFromSQL();
    void openPreferences();
    void openRecentFile();
    void loadPragmas();
    void updatePragmaUi();
    void savePragmas();
    void mainTabSelected( int tabindex );
    void browseTableHeaderClicked(int logicalindex);
    void createSyntaxHighlighters();
    unsigned int openSqlTab(bool resetCounter = false);
    void closeSqlTab(int index, bool force = false);
    void openSqlFile();
    void saveSqlFile();
    void loadExtension();
    void reloadSettings();
    void httpresponse(QNetworkReply* reply);
    void updatePlot(SqliteTableModel* model, bool update = true);
    void on_treePlotColumns_itemChanged(QTreeWidgetItem *item, int column);
    void on_treePlotColumns_itemDoubleClicked(QTreeWidgetItem *item, int column);
    void on_butSavePlot_clicked();
    void on_actionWiki_triggered();
    void on_actionBug_report_triggered();
    void on_actionWebsite_triggered();
    void updateBrowseDataColumnWidth(int section, int /*old_size*/, int new_size);
    bool loadProject(QString filename = QString());
    void saveProject();
};

#endif