/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author        Notes
 * 2021-10-17     Meco Man      First version
 */
#include <rtthread.h>
#include <lvgl.h>
#define DBG_TAG    "LVGL"
#define DBG_LVL    DBG_INFO
#include <rtdbg.h>
#include <lcd_port.h>
#include <lv_port_indev.h>

#ifndef LV_THREAD_STACK_SIZE
#define LV_THREAD_STACK_SIZE 4096
#endif

#ifndef LV_THREAD_PRIO
#define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX*2/3)
#endif

static void event_handler(lv_event_t * e)
{
    lv_event_code_t code = lv_event_get_code(e);
    lv_obj_t * obj = lv_event_get_target(e);

    if(code == LV_EVENT_VALUE_CHANGED) {
        lv_calendar_date_t date;
        if(lv_calendar_get_pressed_date(obj, &date)) {
            LV_LOG_USER("Clicked date: %02d.%02d.%d", date.day, date.month, date.year);
        }
    }
}

void lv_example_calendar_1(void)
{
    lv_obj_t  * calendar = lv_calendar_create(lv_scr_act());
    lv_obj_set_size(calendar, LCD_WIDTH, LCD_HEIGHT);
    lv_obj_align(calendar, LV_ALIGN_CENTER, 0, 60);
    lv_obj_add_event_cb(calendar, event_handler, LV_EVENT_ALL, NULL);

    lv_calendar_set_today_date(calendar, 2021, 02, 23);
    lv_calendar_set_showed_date(calendar, 2021, 02);

    /*Highlight a few days*/
    static lv_calendar_date_t highlighted_days[3];       /*Only its pointer will be saved so should be static*/
    highlighted_days[0].year = 2021;
    highlighted_days[0].month = 02;
    highlighted_days[0].day = 6;

    highlighted_days[1].year = 2021;
    highlighted_days[1].month = 02;
    highlighted_days[1].day = 11;

    highlighted_days[2].year = 2022;
    highlighted_days[2].month = 02;
    highlighted_days[2].day = 22;

    lv_calendar_set_highlighted_dates(calendar, highlighted_days, 3);

#if LV_USE_CALENDAR_HEADER_DROPDOWN
    lv_calendar_header_dropdown_create(lv_scr_act());
#elif LV_USE_CALENDAR_HEADER_ARROW
    lv_calendar_header_arrow_create(lv_scr_act(), calendar, 25);
#endif
}

static void lvgl_thread(void *parameter)
{
    /*assign buttons to coordinates*/
    const lv_point_t points_array[] =  {{200,35},{0,0},{70,35},{0,0}};
    lv_indev_set_button_points(button_indev, points_array);

    lv_example_calendar_1();

    while(1)
    {
        lv_task_handler();
        rt_thread_mdelay(10);
    }
}

static int lvgl_demo_init(void)
{
    rt_thread_t tid;

    tid = rt_thread_create("LVGL", lvgl_thread, RT_NULL, LV_THREAD_STACK_SIZE, LV_THREAD_PRIO, 0);
    if(tid == RT_NULL)
    {
        LOG_E("Fail to create 'LVGL' thread");
    }
    rt_thread_startup(tid);

    return 0;
}
INIT_APP_EXPORT(lvgl_demo_init);