/*----------------------------------------------------------------------------
 * Copyright (c) Fenda Technologies Co., Ltd. 2021. All rights reserved.
 *
 * Description: ble_sleep_server.c
 *
 * Author: shey.tanxiaoyu
 *
 * Create: 2021-09-13
 *--------------------------------------------------------------------------*/

#include "ble_sleep_server.h"
#include "ble_data_transmission.h"
#include "health_api.h"
#include "FreeRTOS.h"

#define SLEEP_DATA_BUFF_SIZE                3072  // 3k 空间用于7天睡眠数据发送
#define SLEEP_DATA_FRAME_NUMBER_MAX         190   // 根据 SLEEP_DATA_BUFF_SIZE - 回复固定部分（4）） / 睡眠数据片段数组(16) 
                                                  // 由于睡眠数据未分帧，目前采取大缓存的发送方式，若睡眠数据大于190条，会死机

/* 4.6.1 APP获取睡眠帧数 */
void ble_get_sleep_measure_frame_number(uint8_t *in_data, uint16_t in_len, uint8_t *out_data, uint16_t *out_len)
{
    uint16_t write_idx = 0;
    protocol_data_info_t data_info = {0};
    uint32_t start_timestamp = 0;
    uint32_t end_timestamp = 0;
    uint32_t frame_num = 0;

    data_info.error = FENDA_SUCCESS;
    do {
        user_get_data_info(&data_info, &in_data, &in_len);
        switch(data_info.type & 0x7F) {
            case SLEEP_FRAME_START_TIME_TYPE:
                start_timestamp += (*in_data++) << 24;
                start_timestamp += (*in_data++) << 16;
                start_timestamp += (*in_data++) << 8;
                start_timestamp += (*in_data);
                break;

            case SLEEP_FRAME_END_TIME_TYPE:
                end_timestamp += (*in_data++) << 24;
                end_timestamp += (*in_data++) << 16;
                end_timestamp += (*in_data++) << 8;
                end_timestamp += (*in_data);

                health_api_sleep_frame_number_get(SLEEP_DATA_FRAME_NUMBER_MAX, start_timestamp, end_timestamp, &frame_num);
                break;

            default:
                break;
        }

        in_data = data_info.p_data;
        in_data += (data_info.len);
        in_len -= (2 + data_info.len);
        if (in_len > FRAM_MAX_SIZ) {
            in_len = 0;
        }
    } while (in_len);

    out_data[write_idx++] = 4;
    out_data[write_idx++] = SLEEP_FRAME_COUNT_TYPE;
    out_data[write_idx++] = frame_num >> 8;
    out_data[write_idx++] = frame_num;

    *out_len = write_idx;
}

/* 4.6.2 设备主动通知APP获取睡眠数据 */
void ble_sleep_measure_report(void)
{
    uint16_t write_idx = 0;
    uint8_t buf_temp[TEMP_NUM_MAX] = {0};
    buf_temp[write_idx++] = 0x03; //LTV L
    buf_temp[write_idx++] = SLEEP_ACTIVE_NOTIFY_TYPE; //type
    buf_temp[write_idx++] = 0;

    BLE_SendFrameById(SLEEP_SERVER, SLEEP_MEASURE_REPORT_ID, buf_temp, write_idx);
}

/* 4.6.3 APP获取睡眠详情片段数据 */
void ble_get_sleep_measure_frame_detail(uint8_t *in_data, uint16_t in_len, uint8_t *out_data, uint16_t *out_len)
{
    uint16_t write_idx = 0;
    protocol_data_info_t data_info = {0};
    uint32_t frame_index = 0;
    uint32_t item_num = 0;

    health_sleep_item_t* item_buf = (health_sleep_item_t*)pvPortMalloc(SLEEP_DATA_FRAME_NUMBER_MAX * sizeof(health_sleep_item_t));
    uint8_t* send_data = pvPortMalloc(SLEEP_DATA_BUFF_SIZE);

    data_info.error = FENDA_SUCCESS;
    if(send_data == NULL || item_buf == NULL) {
        data_info.error = REQ_MEMORY_ERROR;
        write_idx = user_set_protocol_error(out_data, SLEEP_SERVER, data_info.error);
        *out_len = write_idx;
        return;
    }

    do {
        user_get_data_info(&data_info, &in_data, &in_len);
        switch(data_info.type & 0x7F) {
            case SLEEP_FRAME_INDEX_TYPE:
                frame_index += (*in_data++) << 8;
                frame_index += (*in_data);
                health_api_sleep_frame_detail_get(SLEEP_DATA_FRAME_NUMBER_MAX, frame_index, &item_num, item_buf);
                break;

            default:
                break;
        }

        in_data = data_info.p_data;
        in_data += (data_info.len);
        in_len -= (2 + data_info.len);
        if (in_len > FRAM_MAX_SIZ) {
            in_len = 0;
        }
    } while (in_len);

    send_data[write_idx++] = 0x04;//DIAL_NUM LTV
    send_data[write_idx++] = SLEEP_FRAME_INDEX_TYPE;
    send_data[write_idx++] = frame_index / 0x100;
    send_data[write_idx++] = frame_index % 0x100;
    for(uint16_t i = 0; i < item_num; i++) {
        send_data[write_idx++] = 3;
        send_data[write_idx++] = SLEEP_FRAME_LIST_TYPE;
        send_data[write_idx++] = 3 + 6 + 4;  // SLEEP_TYPE len + SLEEP_START_TIME_TYPE len + SLEEP_TIME_OFFSET_TYPE len
        send_data[write_idx++] = 3;
        send_data[write_idx++] = SLEEP_TYPE_TYPE;
        send_data[write_idx++] = item_buf[i].sleep_type;
        send_data[write_idx++] = 6;
        send_data[write_idx++] = SLEEP_START_TIME_TYPE;
        send_data[write_idx++] = (item_buf[i].timestamp & 0xff000000) >> 24;
        send_data[write_idx++] = (item_buf[i].timestamp & 0x00ff0000) >> 16;
        send_data[write_idx++] = (item_buf[i].timestamp & 0x0000ff00) >> 8;
        send_data[write_idx++] = item_buf[i].timestamp & 0xff;
        send_data[write_idx++] = 4;
        send_data[write_idx++] = SLEEP_TIME_OFFSET_TYPE;
        send_data[write_idx++] =  item_buf[i].duration / 0x100;
        send_data[write_idx++] =  item_buf[i].duration % 0x100;
    }

    BLE_SendFrameById(SLEEP_SERVER, GET_SLEEP_MEASURE_FRAME_DETAIL_ID, send_data, write_idx);

    vPortFree(item_buf);
    vPortFree(send_data);

    *out_len = 0;
}

/* 4.6.4 睡眠检测开关 */
void ble_set_sleep_measure_switch(uint8_t *in_data, uint16_t in_len, uint8_t *out_data, uint16_t *out_len)
{
    uint16_t write_idx = 0;
    protocol_data_info_t data_info = {0};
    uint8_t sleep_measure_switch = 0;

    data_info.error = FENDA_SUCCESS;
    do {
        user_get_data_info(&data_info, &in_data, &in_len);
        switch ((data_info.type & 0x7F)) {
            case SET_SLEEP_MEASURING_SWITCH_TYPE:
                sleep_measure_switch = *in_data;
                health_api_set_sleep_measure_sw(sleep_measure_switch);
                break;

            default:
                break;
        }

        in_data = data_info.p_data;
        in_data += (data_info.len);
        in_len -= (2 + data_info.len);
        if (in_len > FRAM_MAX_SIZ) {
            in_len = 0;
        }
    } while (in_len);

    write_idx = user_set_protocol_error(out_data, SLEEP_SERVER, data_info.error);
    *out_len = write_idx;
}

const p_func_t sleep_server_func[SLEEP_SERVERE_MAX_ID] = {
    user_null_func,
    ble_get_sleep_measure_frame_number, //4.6.1 APP获取睡眠帧数
    user_null_func,                     //4.6.2 设备主动通知APP获取睡眠数据
    ble_get_sleep_measure_frame_detail, //4.6.3 APP获取睡眠详情片段数据
    ble_set_sleep_measure_switch,       //4.6.4 睡眠检测开关
};