#include "RadioSet.h"
#include "Str.h"
#include "LinkedList.h"
#include "Preset.h"
#include "Utils.h"

#include <cstdio>
#include <ctype.h>
#include <tt_lvgl_toolbar.h>

constexpr const char* TAG = "RadioSet";

/*
void scrollbar_highlight(lv_event_t * e) {
    lv_obj_t * obj = lv_event_get_target(e);
}*/


void RadioSet::onShow(AppHandle appHandle, lv_obj_t* parent) {
    lvglMutex = tt_mutex_alloc(MUTEX_TYPE_RECURSIVE);

    lv_obj_remove_flag(parent, LV_OBJ_FLAG_SCROLLABLE);
    lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
    lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);

    lv_obj_t* toolbar = tt_lvgl_toolbar_create_for_app(parent, appHandle);
    lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);

    uiDropDownMenu = lv_dropdown_create(toolbar);

    lv_dropdown_set_options(uiDropDownMenu, LV_SYMBOL_ENVELOPE " Terminal\n" LV_SYMBOL_SETTINGS " Packet\n" LV_SYMBOL_SETTINGS " Modems");
    lv_dropdown_set_text(uiDropDownMenu, "Menu");
    lv_dropdown_set_symbol(uiDropDownMenu, LV_SYMBOL_DOWN);
    lv_dropdown_set_selected_highlight(uiDropDownMenu, true);
    lv_obj_set_style_border_color(uiDropDownMenu, lv_color_hex(0xFAFAFA), LV_PART_MAIN);
    lv_obj_set_style_border_width(uiDropDownMenu, 1, LV_PART_MAIN);
    lv_obj_align(uiDropDownMenu, LV_ALIGN_RIGHT_MID, 0, 0);
    lv_obj_set_width(uiDropDownMenu, 120);

    lv_obj_t* wrapper = lv_obj_create(parent);
    lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
    lv_obj_set_flex_align(wrapper, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
    lv_obj_set_flex_grow(wrapper, 1);
    lv_obj_set_width(wrapper, LV_PCT(100));
    lv_obj_set_height(wrapper, LV_PCT(100));
    lv_obj_set_style_pad_all(wrapper, 0, LV_PART_MAIN);
    lv_obj_set_style_pad_row(wrapper, 0, LV_PART_MAIN);
    lv_obj_set_style_border_width(wrapper, 0, 0);
    lv_obj_remove_flag(wrapper, LV_OBJ_FLAG_SCROLLABLE);

    termView = new TermView(lvglMutex, wrapper);
    settingsView = new SettingsView(wrapper);

    auto presetMtEu868LongFast = new Preset("MT EU868 LongFast", MODULATION_LORA);
    presetMtEu868LongFast->addParameter(RADIO_FREQUENCY, 869.525);
    presetMtEu868LongFast->addParameter(RADIO_POWER, /*22.0*/ 0);
    presetMtEu868LongFast->addParameter(RADIO_BOOSTEDGAIN, true);
    presetMtEu868LongFast->addParameter(RADIO_BANDWIDTH, 250.0);
    presetMtEu868LongFast->addParameter(RADIO_SPREADFACTOR, 11);
    presetMtEu868LongFast->addParameter(RADIO_CODINGRATE, 5);
    presetMtEu868LongFast->addParameter(RADIO_SYNCWORD, 0x2B);
    presetMtEu868LongFast->addParameter(RADIO_PREAMBLES, 16);

    settingsView->addPreset(presetMtEu868LongFast);
    settingsView->updatePresets();

    for (auto iter = settingsView->radios.begin(); iter != settingsView->radios.end(); iter++) {
        termView->addRadio(*iter);
    }

    showView(View::Terminal);

    lv_obj_add_event_cb(uiDropDownMenu, [](lv_event_t * e) {
        RadioSet* self = (RadioSet*)lv_event_get_user_data(e);
        lv_obj_t* input = lv_event_get_target_obj(e);
        switch (lv_dropdown_get_selected(input)) {
            case 0:
                self->showView(View::Terminal);
                break;
            case 2:
                self->showView(View::Settings);
                break;
            default:
                break;
        }
    }, LV_EVENT_VALUE_CHANGED, this);
}


RadioSet::~RadioSet() {
    if (termView) {
        delete termView;
    }
    if (settingsView) {
        delete settingsView;
    }
}

void RadioSet::showView(View view) {
    tt_mutex_lock(lvglMutex, portMAX_DELAY);
    termView->setVisible(false);
    settingsView->setVisible(false);
    switch (view) {
        case View::Terminal:
            termView->setVisible(true);
            break;
        case View::Settings:
            settingsView->setVisible(true);
            break;
        default:
            break;
    }
    tt_mutex_unlock(lvglMutex);
}


// This function is called with any "pure virtual" method, i.e. it should never happen
// TODO: I was wrong about it being related to the STL, it is a core feature that needs
// to be bridged with the tt_init.cpp symbol table
extern "C" void __cxa_pure_virtual() { crash("Entered the Virtual Zone..."); }