#include "frame_keyboard.h"

uint16_t textsize = 26;

void key_textclear_cb(epdgui_args_vector_t &args) {
    ((EPDGUI_Textbox*)(args[0]))->SetText("");
}

void key_textsize_plus_cb(epdgui_args_vector_t &args) {
    textsize += 4;
    if(textsize > 96) {
        textsize = 96;
    }
    char buf[10];
    sprintf(buf, "%d", textsize);
    ((EPDGUI_Button*)(args[1]))->setLabel(buf);
    ((EPDGUI_Button*)(args[1]))->Draw(UPDATE_MODE_GL16);
    ((EPDGUI_Textbox*)(args[0]))->SetTextSize(textsize);
}

void key_textsize_minus_cb(epdgui_args_vector_t &args) {
    textsize -= 4;
    if(textsize < 12) {
        textsize = 12;
    }
    char buf[10];
    sprintf(buf, "%d", textsize);
    ((EPDGUI_Button*)(args[1]))->setLabel(buf);
    ((EPDGUI_Button*)(args[1]))->Draw(UPDATE_MODE_GL16);
    ((EPDGUI_Textbox*)(args[0]))->SetTextSize(textsize);
}

void key_textsize_reset_cb(epdgui_args_vector_t &args) {
    textsize = 26;
    char buf[10];
    sprintf(buf, "%d", textsize);
    ((EPDGUI_Button*)(args[1]))->setLabel(buf);
    ((EPDGUI_Button*)(args[1]))->Draw(UPDATE_MODE_GL16);
    ((EPDGUI_Textbox*)(args[0]))->SetTextSize(textsize);
}

Frame_Keyboard::Frame_Keyboard() : Frame_Base() {
    _frame_name = "Frame_Keyboard";
    const uint16_t kKeyBaseY = 628;
    inputbox = new EPDGUI_Textbox(4, 100, 532, 512);
    key_textclear = new EPDGUI_Button("CLR", 4, kKeyBaseY, 260, 52);
    key_textsize_plus = new EPDGUI_Button("+", 448, kKeyBaseY, 88, 52);
    key_textsize_reset = new EPDGUI_Button("26", 360, kKeyBaseY, 88, 52);
    key_textsize_minus = new EPDGUI_Button("-", 272, kKeyBaseY, 88, 52);
    
    inputbox->SetState(EPDGUI_Textbox::EVENT_PRESSED);

    keyboard = new EPDGUI_Keyboard();
    
    key_textclear->AddArgs(EPDGUI_Button::EVENT_RELEASED, 0, (void*)inputbox);
    key_textclear->Bind(EPDGUI_Button::EVENT_RELEASED, key_textclear_cb);
    key_textsize_plus->AddArgs(EPDGUI_Button::EVENT_RELEASED, 0, (void*)inputbox);
    key_textsize_plus->AddArgs(EPDGUI_Button::EVENT_RELEASED, 1, (void*)key_textsize_reset);
    key_textsize_plus->Bind(EPDGUI_Button::EVENT_RELEASED, key_textsize_plus_cb);
    key_textsize_reset->AddArgs(EPDGUI_Button::EVENT_RELEASED, 0, (void*)inputbox);
    key_textsize_reset->AddArgs(EPDGUI_Button::EVENT_RELEASED, 1, (void*)key_textsize_reset);
    key_textsize_reset->Bind(EPDGUI_Button::EVENT_RELEASED, key_textsize_reset_cb);
    key_textsize_minus->AddArgs(EPDGUI_Button::EVENT_RELEASED, 0, (void*)inputbox);
    key_textsize_minus->AddArgs(EPDGUI_Button::EVENT_RELEASED, 1, (void*)key_textsize_reset);
    key_textsize_minus->Bind(EPDGUI_Button::EVENT_RELEASED, key_textsize_minus_cb);

    exitbtn("Home");
    _canvas_title->drawString("Keyboard", 270, 34);
    
    _key_exit->AddArgs(EPDGUI_Button::EVENT_RELEASED, 0, (void*)(&_is_run));
    _key_exit->Bind(EPDGUI_Button::EVENT_RELEASED, &Frame_Base::exit_cb);
}

Frame_Keyboard::~Frame_Keyboard() {
    delete inputbox;
    delete keyboard;
    delete key_textclear;
    delete key_textsize_plus;
    delete key_textsize_reset;
    delete key_textsize_minus;
}

int Frame_Keyboard::init(epdgui_args_vector_t &args) {
    _is_run = 1;
    M5.EPD.Clear();
    _canvas_title->pushCanvas(0, 8, UPDATE_MODE_NONE);
    EPDGUI_AddObject(inputbox);
    EPDGUI_AddObject(keyboard);
    EPDGUI_AddObject(_key_exit);
    EPDGUI_AddObject(key_textclear);
    EPDGUI_AddObject(key_textsize_plus);
    EPDGUI_AddObject(key_textsize_reset);
    EPDGUI_AddObject(key_textsize_minus);
    return 6;
}

int Frame_Keyboard::run(void) {
    inputbox->AddText(keyboard->getData());
    return 1;
}