#include "kt_ui.h"
#include "ui_home.h"
#include "ui_bt.h"
#include "ui_music.h"
#include "lvgl.h"
#include "lv_port_disp.h"
#include "drv_st7789.h"
#include "kt.h"
#include "app_task.h"
#include "key_event_deal.h"

void kt_ui_entry(void *priv);

//-----------------------------TIMER 2-----------------------------------
static const u32 __div[] = {
    /*0000*/ 1,
    /*0001*/ 4,
    /*0010*/ 16,
    /*0011*/ 64,
    /*0100*/ 2,
    /*0101*/ 8,
    /*0110*/ 32,
    /*0111*/ 128,
    /*1000*/ 256,
    /*1001*/ 4 * 256,
    /*1010*/ 16 * 256,
    /*1011*/ 64 * 256,
    /*1100*/ 2 * 256,
    /*1101*/ 8 * 256,
    /*1110*/ 32 * 256,
    /*1111*/ 128 * 256,
};

#define APP_TIMER_CLK clk_get("timer")
#define MAX_TIME_CNT 0x7fff
#define MIN_TIME_CNT 0x100

#define TIMER_UNIT_MS 1
#define MAX_TIMER_PERIOD_MS (1000 / TIMER_UNIT_MS)

#define LV_HANDLE_INTERVAL 5 /* 每 5ms 投递一次，避免队列溢出 */

___interrupt
    AT_VOLATILE_RAM_CODE static void
    __timer2_isr(void)
{
    static u8 tick_cnt;
    JL_TIMER2->CON |= BIT(14);
    lv_tick_inc(1);
    if (++tick_cnt >= LV_HANDLE_INTERVAL)
    {
        tick_cnt = 0;
        os_taskq_post_msg(KT_TASK_UI_NAME, 1, KT_TASK_CMD_TIMHANDLE);
    }
}

static void __timer2_init(void)
{
    u32 prd_cnt;
    u8 index;

    for (index = 0; index < (sizeof(__div) / sizeof(__div[0])); index++)
    {
        prd_cnt = TIMER_UNIT_MS * (APP_TIMER_CLK / 1000) / __div[index];
        if (prd_cnt > MIN_TIME_CNT && prd_cnt < MAX_TIME_CNT)
        {
            break;
        }
    }

    JL_TIMER2->CNT = 0;
    JL_TIMER2->PRD = prd_cnt; // 2ms
    request_irq(IRQ_TIME2_IDX, 3, __timer2_isr, 0);
    JL_TIMER2->CON = (index << 4) | BIT(0) | BIT(3);

    printf("PRD : 0x%x / %d", JL_TIMER2->PRD, clk_get("timer"));
}

//-----------------------------TIMER 2  END--------------------------------

void kt_ui_init(void)
{
    printf("kt_ui_init\n");
    os_task_create(kt_ui_entry, NULL, 2, 2048, 2048, KT_TASK_UI_NAME);
}

void kt_ui_show_page(int page_id)
{
    os_taskq_post_msg(KT_TASK_UI_NAME, 2, KT_TASK_CMD_SHOW_PAGE, page_id);
}

void kt_ui_post_key_event(int key_event, int key_value)
{
    printf("kt_ui_post_key_event: key_event:%d, key_value:%d\n", key_event, key_value);
    os_taskq_post_msg(KT_TASK_UI_NAME, 3, KT_TASK_CMD_KEY_EVENT, key_event, key_value);
}

void kt_ui_post_update_play_time(tPlayTime *play_time)
{
    os_taskq_post_msg(KT_TASK_UI_NAME, 4, KT_TASK_CMD_UPDATE_PLAY_TIME, (u32)&play_time);
}

/* 三个页面屏幕 */
static lv_obj_t *scr_home;
static lv_obj_t *scr_bt;
static lv_obj_t *scr_music;
static int current_page_id = KT_PAGE_HOME;

static void lv_show_page(int page_id)
{
    lv_obj_t *scr = NULL;
    switch (page_id)
    {
    case KT_PAGE_HOME:
        scr = scr_home;
        break;
    case KT_PAGE_BT:
        scr = scr_bt;
        break;
    case KT_PAGE_MUSIC:
        scr = scr_music;
        break;
    default:
        return;
    }
    if (scr)
    {
        current_page_id = page_id;
        lv_scr_load(scr);
    }
}

int kt_ui_get_current_page(void)
{
    return current_page_id;
}

/* 按键分发: 根据当前页面调用对应页面的按键处理 */
static void ui_dispatch_key_event(int key_event, int key_value)
{
    //printf("ui_dispatch_key_event: current_page_id:%d, key_event:%d, key_value:%d\n", current_page_id, key_event, key_value);
    switch (current_page_id)
    {
    case KT_PAGE_HOME:
        //printf("ui_dispatch_key_event: KT_PAGE_HOME\n");
        ui_home_on_key(key_event, key_value);
        break;
    case KT_PAGE_BT:
        ui_bt_on_key(key_event, key_value);
        break;
    case KT_PAGE_MUSIC:
        ui_music_on_key(key_event, key_value);
        break;
    default:
        break;
    }
}

static void lv_ui_init(void)
{
    scr_home = ui_home_create();
    scr_bt = ui_bt_create();
    scr_music = ui_music_create();

    lv_show_page(KT_PAGE_HOME);
}

void kt_ui_entry(void *priv)
{
    // tMsg msg_body;
    int msg[8];

    printf(" kt_ui_entry  \n");
    lv_init();
    __timer2_init(); /* 启动 1ms tick + 每 5ms 投递 TIMHANDLE */
    printf(" lv_port_disp_init  \n");
    lv_port_disp_init();
    // printf(" lv_port_indev_init  \n");
    // lv_port_indev_init();
    lv_ui_init();

    while (1)
    {
        int ret = os_taskq_pend(NULL, msg, ARRAY_SIZE(msg));
        if (ret != OS_TASKQ)
        {
            continue;
        }
        if (msg[0] != Q_MSG)
        {
            continue;
        }

        switch (msg[1])
        {
        case KT_TASK_CMD_TIMHANDLE:
            lv_task_handler();
            break;

        case KT_TASK_CMD_SHOW_PAGE:
            if (msg[2] >= KT_PAGE_HOME && msg[2] <= KT_PAGE_MUSIC)
            {
                lv_show_page(msg[2]);
            }
            lv_task_handler();
            break;

        case KT_TASK_CMD_KEY_EVENT:
            //printf("KT_TASK_CMD_KEY_EVENT: key_event:%d, key_value:%d\n", msg[2], msg[3]);
            ui_dispatch_key_event(msg[2], msg[3]);
            lv_task_handler();
            break;

        case KT_TASK_CMD_UPDATE_PLAY_TIME:
            if (current_page_id == KT_PAGE_BT)
            {
                ui_bt_update_play_time();
            }
            lv_task_handler();
            break;

        default:
            break;
        }
    }
}