package org.yzh.protocol.commons.transform.attribute;

import io.github.yezhihao.protostar.Schema;
import io.github.yezhihao.protostar.util.ByteBufUtils;
import io.netty.buffer.ByteBuf;
import org.yzh.commons.util.Byte2NumberUtils;

import java.util.Arrays;

/**
 * 胎压 0x05
 * length 30
 */

public class Battery {

    public static final Integer key = 0Xe3;

    public static final Schema<Battery> SCHEMA = new TirePressureSchema();

    private byte[] value;
    private Integer capacity;//电池电量
    private Float voltage;//电池电压
    private Float chargeVoltage;//充电电压

    public Integer getCapacity() {
        return capacity;
    }

    public void setCapacity(Integer capacity) {
        this.capacity = capacity;
    }

    public Float getVoltage() {
        return voltage;
    }

    public void setVoltage(Float voltage) {
        this.voltage = voltage;
    }

    public Float getChargeVoltage() {
        return chargeVoltage;
    }

    public void setChargeVoltage(Float chargeVoltage) {
        this.chargeVoltage = chargeVoltage;
    }

    public Battery() {
    }

    /**
     * byte[] data={0x01,0x02,0x03,0x04,0x05,0x06}
     * 电池电量是 0x0102，
     * 电池电压是0x0304，
     * 充电电压是 0x0506,
     * 电压单位是0.001v，
     * 上传 1000表示 1v。
     * @param value
     */
    public Battery(byte[] value) {
        this.value = value;
        if(value!=null && value.length>2){
            this.setCapacity(Byte2NumberUtils.bytesToInteger(new byte[]{value[0],value[1]}));
        }
        if(value!=null && value.length>4){
            try {
                this.setVoltage((float) (Byte2NumberUtils.bytesToInteger(new byte[]{value[2],value[3]}) * 0.01));
            }catch (Exception e){

            }
        }
        if(value!=null && value.length>6){
            try {
                this.setChargeVoltage((float) (Byte2NumberUtils.bytesToInteger(new byte[]{value[4],value[4]}) * 0.01));
            }catch (Exception e){

            }
        }
    }

    public byte[] getValue() {
        return value;
    }

    public void setValue(byte[] value) {
        this.value = value;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder(32);
        sb.append("Battery{value=").append(Arrays.toString(value));
        sb.append('}');
        return sb.toString();
    }

    private static class TirePressureSchema implements Schema<Battery> {

        private TirePressureSchema() {
        }

        @Override
        public Battery readFrom(ByteBuf input) {
            int len = input.readableBytes();
            if (len > 30)
                len = 30;
            byte[] value = new byte[len];
            input.readBytes(value);
            return new Battery(value);
        }

        @Override
        public void writeTo(ByteBuf output, Battery message) {
            ByteBufUtils.writeFixedLength(output, 30, message.value);
        }
    }
}