/* 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/stringset.h>

#include "gmdocument.h"
#include "ui/color.h"
#include "ui/text.h"

/* User preferences */

iDeclareType(Prefs)
    
enum iPrefsString {
    /* General */
    uiLanguage_PrefsString,
    downloadDir_PrefsString,
    searchUrl_PrefsString,
        
    /* Network */
    caFile_PrefsString,
    caPath_PrefsString,
    geminiProxy_PrefsString,
    gopherProxy_PrefsString,
    httpProxy_PrefsString,
        
    /* Style */
    uiFont_PrefsString,
    headingFont_PrefsString,
    bodyFont_PrefsString,
    monospaceFont_PrefsString,
    monospaceDocumentFont_PrefsString,
        
    /* Meta */
    max_PrefsString
};

/* Note: These match match the array/struct in Prefs. */
enum iPrefsBool {
    /* Window and User Interface */
    useSystemTheme_PrefsBool,
    customFrame_PrefsBool,
    retainWindowSize_PrefsBool,
    uiAnimations_PrefsBool,
    hideToolbarOnScroll_PrefsBool,
    
    blinkingCursor_PrefsBool,
    
    /* Document presentation */
    sideIcon_PrefsBool,
    time24h_PrefsBool,
    
    /* Behavior */
    hoverLink_PrefsBool,
    smoothScrolling_PrefsBool,
    loadImageInsteadOfScrolling_PrefsBool,
    openDataUrlImagesOnLoad_PrefsBool,
    collapsePreOnLoad_PrefsBool,
    openArchiveIndexPages_PrefsBool,
    
    addBookmarksToBottom_PrefsBool,
    warnAboutMissingGlyphs_PrefsBool,
    
    /* Network */
    decodeUserVisibleURLs_PrefsBool,
    
    /* Style */
    monospaceGemini_PrefsBool,
    monospaceGopher_PrefsBool,
    boldLinkVisited_PrefsBool,
    boldLinkDark_PrefsBool,    
    boldLinkLight_PrefsBool,
    
    fontSmoothing_PrefsBool,
    bigFirstParagraph_PrefsBool,
    quoteIcon_PrefsBool,
    centerShortDocs_PrefsBool,
    plainTextWrap_PrefsBool,
    
    /* Meta */
    max_PrefsBool
};

#define maxNavbarActions_Prefs  4

/* TODO: Use a systematic command naming convention for notifications. */

struct Impl_Prefs {
    iString strings[max_PrefsString];
    union {
        iBool bools[max_PrefsBool];
        /* For convenience, contents of the array are accessible also via these members. */
        struct {
            /* Window and User Interface */
            iBool useSystemTheme;
            iBool customFrame; /* when LAGRANGE_ENABLE_CUSTOM_FRAME is defined */
            iBool retainWindowSize;
            iBool uiAnimations;
            iBool hideToolbarOnScroll;
            
            iBool blinkingCursor;
            
            /* Document presentation */
            iBool sideIcon;
            iBool time24h;
            
            /* Behavior */
            iBool hoverLink;
            iBool smoothScrolling;
            iBool loadImageInsteadOfScrolling;
            iBool openDataUrlImagesOnLoad;
            iBool collapsePreOnLoad;
            iBool openArchiveIndexPages;
            
            iBool addBookmarksToBottom;
            iBool warnAboutMissingGlyphs;
            
            /* Network */
            iBool decodeUserVisibleURLs;
            
            /* Style */
            iBool monospaceGemini;
            iBool monospaceGopher;
            iBool boldLinkVisited;
            iBool boldLinkDark;            
            iBool boldLinkLight;
            
            iBool fontSmoothing;
            iBool bigFirstParagraph;
            iBool quoteIcon;
            iBool centerShortDocs;
            iBool plainTextWrap;
        };
    };
    /* UI state (belongs to state.lgr...) */
    int              dialogTab;
    int              langFrom;
    int              langTo;
    /* Colors */
    enum iColorTheme systemPreferredColorTheme[2]; /* dark, light */
    enum iColorTheme theme;    
    enum iColorAccent accent;
    /* Window and User Interface */
    float            uiScale;
    enum iToolbarAction navbarActions[maxNavbarActions_Prefs];
    enum iToolbarAction toolbarActions[2];
    /* Document presentation */
    int              zoomPercent;
    /* Behavior */
    int              pinSplit; /* 0: no pinning, 1: left doc, 2: right doc */
    int              returnKey;
    int              smoothScrollSpeed[max_ScrollType];
    /* Network */
    int              maxCacheSize; /* MB */
    int              maxMemorySize; /* MB */
    int              maxUrlSize; /* bytes; longer ones will be disregarded */
    /* Style */
    iStringSet *     disabledFontPacks;
    int              gemtextAnsiEscapes;
    int              lineWidth;
    float            lineSpacing;
    enum iImageStyle imageStyle;
    /* Colors */
    enum iGmDocumentTheme docThemeDark;
    enum iGmDocumentTheme docThemeLight;
    float                 saturation;
};

iDeclareTypeConstruction(Prefs)
    
iLocalDef float scrollSpeedFactor_Prefs(const iPrefs *d, enum iScrollType type) {
    iAssert(type >= 0 && type < max_ScrollType);
    return 10.0f / iMax(1, d->smoothScrollSpeed[type]) * (type == mouse_ScrollType ? 0.5f : 1.0f);
}

iLocalDef enum iGmDocumentTheme docTheme_Prefs(const iPrefs *d) {
    return isDark_ColorTheme(d->theme) ? d->docThemeDark : d->docThemeLight;
}