/* Copyright 2020 Jaakko Keränen <jaakko.keranen@iki.fi>

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

#pragma once

#include <the_Foundation/objectlist.h>
#include <the_Foundation/string.h>
#include <the_Foundation/stringset.h>
#include <the_Foundation/stringarray.h>
#include <the_Foundation/time.h>

#include "prefs.h"

#if defined (iPlatformAppleMobile)
extern iBool isPhone_iOS(void);
#endif

iDeclareType(Bookmarks);
iDeclareType(DocumentWidget);
iDeclareType(CommandLine);
iDeclareType(Gamepad);
iDeclareType(GmCerts);
iDeclareType(MainWindow);
iDeclareType(MimeHooks);
iDeclareType(Periodic);
iDeclareType(Root);
iDeclareType(Visited);
iDeclareType(Window);

typedef void iAnyWindow;

/* Command line options strings. */
#define dump_CommandLineOption              "dump;d"
#define dumpIdentity_CommandLineOption      "dump-identity;I"
#define userDataDir_CommandLineOption       "user;U"
#define listTabUrls_CommandLineOption       "list-tab-urls;L"
#define openUrlOrSearch_CommandLineOption   "url-or-search;u"
#define replaceTab_CommandLineOption        "replace-tab"
#define windowWidth_CommandLineOption       "width;w"
#define windowHeight_CommandLineOption      "height;h"
#define uiTheme_CommandLineOption           "theme;t"

enum iAppDeviceType {
    desktop_AppDeviceType,
    tablet_AppDeviceType,
    phone_AppDeviceType,
};

enum iAppEventMode {
    waitForNewEvents_AppEventMode,
    postedEventsOnly_AppEventMode,
};

enum iUserEventCode {
    command_UserEventCode = 1,
    refresh_UserEventCode,
    asleep_UserEventCode,
    periodic_UserEventCode,
    /* The start of a potential touch tap event is notified via a custom event because
       sending SDL_MOUSEBUTTONDOWN would be premature: we don't know how long the tap will
       take, it could turn into a tap-and-hold for example. */
    widgetTapBegins_UserEventCode,
    widgetTouchEnds_UserEventCode, /* finger lifted, but momentum may continue */
    releaseObject_UserEventCode,   /* object that needs releasing in the main thread */
};

enum iNewTabFlag {
    switchTo_NewTabFlag   = iBit(1),
    append_NewTabFlag     = iBit(2),
    reuseBlank_NewTabFlag = iBit(3),
};

iLocalDef enum iAppDeviceType deviceType_App(void) {
#if defined (iPlatformMobilePhone)
    return phone_AppDeviceType;
#elif defined (iPlatformMobileTablet)
    return tablet_AppDeviceType;
#elif defined (iPlatformAppleMobile)
    return isPhone_iOS() ? phone_AppDeviceType : tablet_AppDeviceType;
#elif defined (iPlatformAndroidMobile)
    return phone_AppDeviceType; /* TODO: Java side could tell us via cmdline if this is a tablet. */
#else
    return desktop_AppDeviceType;
#endif
}

int                 run_App                     (int argc, char **argv);
void                processEvents_App           (enum iAppEventMode mode);
iBool               handleCommand_App           (const char *cmd);
void                refresh_App                 (void);

iBool               isFinishedLaunching_App     (void);
iBool               isRunningUnderWindowSystem_App(void);
iBool               isRunningUnderWayland_App   (void);
iBool               isRefreshPending_App        (void);
iBool               isSuspended_App             (void); /* one should not be doing anything when suspended */
iBool               isLandscape_App             (void);
iLocalDef iBool     isPortrait_App              (void) { return !isLandscape_App(); }
iLocalDef iBool     isPortraitPhone_App         (void) { return isPortrait_App() && deviceType_App() == phone_AppDeviceType; }
iLocalDef iBool     isLandscapePhone_App        (void) { return isLandscape_App() && deviceType_App() == phone_AppDeviceType; }
uint32_t            elapsedSinceLastTicker_App  (void); /* milliseconds */
iBool               isTextInputActive_App       (void);

const iPrefs *      prefs_App                   (void);
iBool               forceSoftwareRender_App     (void);
void                setForceSoftwareRender_App  (iBool sw);
void                setInputZoomLevel_App       (int level);
void                setEditorZoomLevel_App      (int level);
void                setRecentMenuBarIndex_App   (int index);
enum iColorTheme    colorTheme_App              (void);
const iString *     schemeProxy_App             (iRangecc scheme);
iBool               schemeProxyHostAndPort_App  (iRangecc scheme, const iString **host, uint16_t *port);
iBool               willUseProxy_App            (const iRangecc scheme);
const iString *     searchQueryUrl_App          (const iString *queryStringUnescaped);
const iString *     fileNameForUrl_App          (const iString *url, const iString *mime);
const iString *     temporaryPathForUrl_App     (const iString *url, const iString *mime); /* deleted before quitting */
const iString *     downloadPathForUrl_App      (const iString *url, const iString *mime);

const iString *     execPath_App                (void);
const iString *     dataDir_App                 (void);
const iString *     fontsDir_App                (void);
const iString *     downloadDir_App             (void);
const iString *     debugInfo_App               (void);
const iCommandLine *commandLine_App             (void);
iGmCerts *          certs_App                   (void);
iVisited *          visited_App                 (void);
iBookmarks *        bookmarks_App               (void);
iMimeHooks *        mimeHooks_App               (void);
iPeriodic *         periodic_App                (void);
iRoot *             submenuRoot_MacOS           (void);
iGamepad *          gamepad_App                 (void);

iDocumentWidget *   document_App                (void);
iObjectList *       listDocuments_App           (const iRoot *rootOrNull); /* NULL for all roots of current window */
iStringSet *        listOpenURLs_App            (void); /* all tabs */
iDocumentWidget *   newTab_App                  (const iDocumentWidget *duplicateOf, int newTabFlags);

void                trimCache_App               (void);
void                trimMemory_App              (void);
void                saveState_App               (void); /* full save including cached content */
void                saveStateQuickly_App        (void); /* excluding cached content */
void                deferVisitedSave_App        (void);
void                setTextInputActive_App      (iBool);

const iStringArray *recentlySubmittedInput_App  (void);
void                saveSubmittedInput_App      (const iString *queryInput);
void                clearSubmittedInput_App     (void);
void                setRecentMisfinId_App       (const iGmIdentity *ident);
iBool               checkSavedWidth_App         (const iString *resizeId, float *gaps_out);

typedef void (*iTickerFunc)(iAny *);

void        addTicker_App           (iTickerFunc ticker, iAny *context);
void        addTickerRoot_App       (iTickerFunc ticker, iRoot *root, iAny *context);
void        removeTicker_App        (iTickerFunc ticker, iAny *context);

void        addWindow_App           (iMainWindow *win);
void        removeWindow_App        (iMainWindow *win);
iPtrArray * listWindows_App         (void);
void        setActiveWindow_App     (iAnyWindow *mainOrExtraWin);
iWindow *   activeWindow_App        (void);
void        closeWindow_App         (iWindow *win); /* main or extra window */
size_t      numWindows_App          (void);
size_t      windowIndex_App         (const iMainWindow *win);
void        postRefreshAllWindows_App(void);
iWindow *   findWindow_App          (int windowType, const char *widgetId);

iMainWindow *newMainWindow_App      (void);
const iPtrArray *mainWindows_App    (void);
const iPtrArray *regularWindows_App (void);
const iPtrArray *popupWindows_App   (void);
iMainWindow *    mainWindow_App     (void); /* currently active main window */
void        addExtraWindow_App      (iWindow *extra);
void        removeExtraWindow_App   (iWindow *extra);
void        addPopup_App            (iWindow *popup);
void        removePopup_App         (iWindow *popup);
void        closePopups_App         (iBool doForce);

void        postCommand_Root        (iRoot *, const char *command);
void        postCommandf_Root       (iRoot *, const char *command, ...);
void        postCommandf_App        (const char *command, ...);

iLocalDef void postCommandString_Root(iRoot *d, const iString *command) {
    if (command) {
        postCommand_Root(d, cstr_String(command));
    }
}
iLocalDef void postCommand_App(const char *command) {
    postCommand_Root(NULL, command);
}

iDocumentWidget *document_Command       (const char *cmd);

iAny *      findWidget_App              (const char *id);
iBool       moveFocusWithArrows_App     (const void *sdlEvent);
iBool       moveFocusInsideMenu_App     (const void *sdlEvent);
void        commitFile_App              (const char *path, const char *tempPathWithNewContents); /* latter will be removed */
void        openInDefaultBrowser_App    (const iString *url, const iString *mime);
void        revealPath_App              (const iString *path);
void        updateCACertificates_App    (void);
void        resetFonts_App              (void);
void        availableFontsChanged_App   (void);