#include "key_functions_modbus.h"

uint8_t mod_trx_set_flag = 0;       //trx的屏幕是否加载过
void key_functions_modbus(void)
{
    if( key_pv.status == KEY_STATUS_DISABLE ) return;

    uint8_t calculate_temp = 0;     //临时变量，替代枚举变量进行计算

    switch (key_pv.tag)
    {
        case KEY_UP:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                    mod_mas_conf_cursor_prv = mod_mas_conf_cursor;

                    calculate_temp = (uint8_t)mod_mas_conf_cursor;
                    if(calculate_temp == 0)
                    {
                        calculate_temp = 7;
                    }
                    else
                    {
                        calculate_temp -= 1;
                    }
                    mod_mas_conf_cursor = (MOD_CONF_ITEMS)calculate_temp;

                    config_items_check(mod_mas_conf_cursor, mod_mas_conf_cursor_prv);
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    if(mod_mas_trx_cursor)
                    {
                        mod_mas_trx_cursor_prv = mod_mas_trx_cursor; 
                        mod_mas_trx_cursor = MOD_TRX_DATA;

                        trx_items_check(mod_mas_trx_cursor, mod_mas_trx_cursor_prv);
                    }
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;

        case KEY_DOWN:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                   mod_mas_conf_cursor_prv = mod_mas_conf_cursor;

                    calculate_temp = (uint8_t)mod_mas_conf_cursor;
                    if(calculate_temp == 7)
                    {
                        calculate_temp = 0;
                    }
                    else
                    {
                        calculate_temp += 1;
                    }
                    mod_mas_conf_cursor = (MOD_CONF_ITEMS)calculate_temp;

                    config_items_check(mod_mas_conf_cursor, mod_mas_conf_cursor_prv);
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    if(!mod_mas_trx_cursor)
                    {
                        mod_mas_trx_cursor_prv = mod_mas_trx_cursor; 
                        mod_mas_trx_cursor = MOD_TRX_PREVIOUS;

                        trx_items_check(mod_mas_trx_cursor, mod_mas_trx_cursor_prv);
                    }
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;

        case KEY_LEFT:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                    mod_mas_conf_cursor_prv = mod_mas_conf_cursor;

                    calculate_temp = (uint8_t)mod_mas_conf_cursor;
                    calculate_temp -= 4;
                    if(calculate_temp > 200)
                    {
                        calculate_temp = (uint8_t)mod_mas_conf_cursor_prv + 4;
                    }
                    mod_mas_conf_cursor = (MOD_CONF_ITEMS)calculate_temp;

                    config_items_check(mod_mas_conf_cursor, mod_mas_conf_cursor_prv);
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    if(mod_mas_trx_cursor)
                    {
                        mod_mas_trx_cursor_prv = mod_mas_trx_cursor;
                        
                        calculate_temp = (uint8_t)mod_mas_trx_cursor;
                        calculate_temp -= 1;
                        if(calculate_temp == 0) calculate_temp = 3;
                        mod_mas_trx_cursor = (MOD_TRX_ITEMS)calculate_temp;

                        trx_items_check(mod_mas_trx_cursor, mod_mas_trx_cursor_prv);
                    }
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;

        case KEY_RIGHT:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                    mod_mas_conf_cursor_prv = mod_mas_conf_cursor;

                    calculate_temp = (uint8_t)mod_mas_conf_cursor;
                    calculate_temp += 4;
                    if(calculate_temp > 7)
                    {
                        calculate_temp = (uint8_t)mod_mas_conf_cursor_prv - 4;
                    }
                    mod_mas_conf_cursor = (MOD_CONF_ITEMS)calculate_temp;

                    config_items_check(mod_mas_conf_cursor, mod_mas_conf_cursor_prv);
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    if(mod_mas_trx_cursor)
                    {
                        mod_mas_trx_cursor_prv = mod_mas_trx_cursor;
                        
                        calculate_temp = (uint8_t)mod_mas_trx_cursor;
                        calculate_temp += 1;
                        if(calculate_temp > 3) calculate_temp = 1;
                        mod_mas_trx_cursor = (MOD_TRX_ITEMS)calculate_temp;

                        trx_items_check(mod_mas_trx_cursor, mod_mas_trx_cursor_prv);
                    }
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;

        case KEY_OK:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                    if(mod_mas_conf_cursor == MOD_CONF_NEXT)
                    {
                        if(!mod_trx_set_flag)
                        {
                            mod_trx_set_flag = 1;
                            setup_scr_screen_modbus_trx(&guider_ui);
                            delay_cnt(200);                                 //不加延时有概率卡死
                        }
                        //加载trx界面
                        scr_modbus_trx_recover();
                        lv_scr_load(guider_ui.screen_modbus_trx); 
                        lv_obj_clear_flag(guider_ui.screen_modbus_trx, LV_OBJ_FLAG_HIDDEN); 

                        menu_data.scr_now = SCREEN_MODBUS_MASTER_TRX;
                        
                        //隐藏配置界面，熄灭当前游标
                        lv_obj_add_flag(guider_ui.screen_modbus_config, LV_OBJ_FLAG_HIDDEN);
                        config_items_check(MOD_CONF_NONE, mod_mas_conf_cursor);

                        current_operation = MODBUS_MASTER_TRX;
                    }
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    switch (mod_mas_trx_cursor)
                    {
                        case MOD_TRX_DATA:
                        {
                        }
                        break;

                        case MOD_TRX_PREVIOUS:
                        {
                            key = KEY_BACK_VAL;
                            key_char2struct();
                        }
                        break;

                        case MOD_TRX_SET:
                        {
                            trx_focus = 1;

                            trx_items_check(mod_mas_trx_cursor, MOD_TRX_NONE);
                        }
                        break;

                        case MOD_TRX_SEND:
                        {
                            trx_focus = 1;

                            trx_items_check(mod_mas_trx_cursor, MOD_TRX_NONE);
                        }
                        break;
                    
                        default:
                        break;
                    }
                    
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;

        case KEY_BACK:
        {
            key = 0;
            key_char2struct();

            switch (current_operation)
            {
                case MODBUS_MASTER_CONFIG:
                {
                    //加载设置界面的内容
                    setup_scr_screen_setting(&guider_ui);
                    scr_setting_recover();
                    delay_cnt(200);                                 //不加延时有概率卡死
                    
                    lv_scr_load(guider_ui.screen_setting);          //加载菜单界面

                    //删除modbus的相关内容，释放内存
                    lv_obj_del_async(guider_ui.screen_modbus_config);
                    if(mod_trx_set_flag)
                    {   
                        //加载过的情况下才能删除，否则会进入硬件错误中断    
                        mod_trx_set_flag = 0;
                        lv_obj_del_async(guider_ui.screen_modbus_trx);
                    }

                    menu_data.scr_now = SCREEN_SETTING;
   
                    //进入拓展功能选项卡
                    tabdata.item_cursor = ITEM_2;
                    tabdata.item_cursor_prv = ITEM_0;
                    setting_items_check(tabdata.item_cursor, tabdata.item_cursor_prv);

                    //进入通讯选择
                    tabdata.content_focus = 0;
                    lv_obj_set_style_bg_color(guider_ui.screen_setting_label_21, lv_color_hex(COLOR_ITEMS_UNCHECKED), LV_PART_MAIN|LV_STATE_DEFAULT);
                    communication_switch();
                    current_operation = SET_COMMUNICATION_SWITCH;
                    key_config_update(current_operation);
                    
                }
                break;

                case MODBUS_MASTER_TRX:
                {
                    //加载配置界面
                    scr_modbus_config_recover();
                    lv_scr_load(guider_ui.screen_modbus_config);
                    lv_obj_clear_flag(guider_ui.screen_modbus_config, LV_OBJ_FLAG_HIDDEN);

                    menu_data.scr_now = SCREEN_MODBUS_MASTER_CONFIG;

                    //隐藏trx界面
                    lv_obj_add_flag(guider_ui.screen_modbus_trx, LV_OBJ_FLAG_HIDDEN);

                    //熄灭当前游标
                    trx_items_check(MOD_TRX_NONE, mod_mas_trx_cursor);

                    current_operation = MODBUS_MASTER_CONFIG;
                }
                break;

                case MODBUS_MASTER_TRX_MODIFY:
                {}
                break;
            
                default:
                break;
            }
        }
        break;
    
        default:
        break;
    }
}