import React from 'react';
import { BatteryCharging, Zap, Thermometer, Sliders } from 'lucide-react';
import { AgvState } from '../types';

interface BmsPanelProps {
    state: AgvState;
    setBatteryLevel: (level: number) => void;
    setIsCharging: (isCharging: boolean) => void;
}

const BmsPanel: React.FC<BmsPanelProps> = ({ state, setBatteryLevel, setIsCharging }) => {
    const currentCapacity = (state.maxCapacity * (state.batteryLevel / 100)).toFixed(1);

    return (
        <div className="bg-gray-800 p-4 border-t border-gray-700 h-auto select-none">
            <h3 className="text-sm font-semibold mb-3 text-gray-300 flex items-center justify-between">
                <span className="flex items-center gap-2"><BatteryCharging size={16} /> BMS Monitor</span>
                <span className="text-xs font-mono text-gray-500">ID: 01</span>
            </h3>

            {/* Main Info Grid */}
            <div className="grid grid-cols-2 gap-2 mb-3">
                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 uppercase tracking-wider">Total Voltage</div>
                    <div className="text-lg font-mono text-white font-bold flex items-baseline gap-1">
                        {(state.cellVoltages.reduce((a, b) => a + b, 0)).toFixed(1)} <span className="text-xs text-gray-400">V</span>
                    </div>
                </div>
                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 flex items-center gap-1 uppercase tracking-wider">
                        <Thermometer size={10} /> Temp 1 / 2
                    </div>
                    <div className="flex flex-col gap-0.5">
                        <div className="text-sm font-mono text-white font-bold flex justify-between">
                            <span className="text-[10px] text-gray-500">1:</span> {state.batteryTemps?.[0]?.toFixed(1)}°C
                        </div>
                        <div className="text-sm font-mono text-white font-bold flex justify-between">
                            <span className="text-[10px] text-gray-500">2:</span> {state.batteryTemps?.[1]?.toFixed(1)}°C
                        </div>
                    </div>
                </div>

                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 uppercase tracking-wider">Capacity (Ah)</div>
                    <div className="text-sm font-mono text-white">
                        <span className="text-yellow-400 font-bold">{currentCapacity}</span>
                        <span className="text-gray-500"> / </span>
                        {state.maxCapacity}
                    </div>
                </div>
                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 uppercase tracking-wider">Level (%)</div>
                    <div className={`text-sm font-mono font-bold ${state.batteryLevel < 20 ? 'text-red-400' : 'text-green-400'}`}>
                        {state.batteryLevel.toFixed(1)}%
                    </div>
                </div>

                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 uppercase tracking-wider">Current (A)</div>
                    <div className={`text-sm font-mono font-bold ${state.isCharging ? 'text-yellow-400' : 'text-blue-400'}`}>
                        {(state.isCharging ? -18.7 : 2.1).toFixed(1)} A
                    </div>
                </div>

                <div className="bg-gray-700/50 p-2 rounded border border-gray-600">
                    <div className="text-[10px] text-gray-400 uppercase tracking-wider">Power (W)</div>
                    <div className={`text-sm font-mono font-bold ${state.isCharging ? 'text-yellow-400' : 'text-blue-400'}`}>
                        {state.isCharging ? -450 : 50} W
                    </div>
                </div>
            </div>

            {/* Charge Button */}
            <div className="mb-3">
                <button
                    onClick={() => setIsCharging(!state.isCharging)}
                    className={`w-full py-1.5 rounded flex items-center justify-center gap-2 text-xs font-bold transition-all ${state.isCharging
                        ? 'bg-yellow-600 text-white shadow-[0_0_10px_rgba(202,138,4,0.5)] border border-yellow-500'
                        : 'bg-gray-700 text-gray-400 hover:bg-gray-600 border border-gray-600'
                        }`}
                >
                    <Zap size={14} className={state.isCharging ? "fill-white animate-pulse" : ""} />
                    {state.isCharging ? 'CHARGING...' : 'START CHARGING'}
                </button>
            </div>

            {/* Manual Slider */}
            <div className="mb-4">
                <div className="flex justify-between text-xs text-gray-400 mb-1">
                    <span className="flex items-center gap-1"><Sliders size={10} /> Manual Adjust</span>
                </div>
                <input
                    type="range"
                    min="0"
                    max="100"
                    step="1"
                    value={state.batteryLevel}
                    onChange={(e) => setBatteryLevel(Number(e.target.value))}
                    className="w-full h-1.5 bg-gray-600 rounded-lg appearance-none cursor-pointer accent-green-500 hover:accent-green-400"
                />
            </div>

            {/* Cells */}
            <div className="space-y-1">
                <div className="text-[10px] text-gray-500 uppercase tracking-wider mb-1">Cell Voltages (V)</div>
                <div className="grid grid-cols-4 gap-1">
                    {state.cellVoltages.map((v, i) => (
                        <div key={i} className={`py-1 px-0.5 text-center rounded text-[10px] font-mono border ${v < 2.9 ? 'bg-red-900/30 border-red-800 text-red-300' :
                            v > 3.5 ? 'bg-blue-900/30 border-blue-800 text-blue-300' :
                                'bg-gray-700/30 border-gray-600 text-gray-300'
                            }`}>
                            {v.toFixed(3)}
                        </div>
                    ))}
                </div>
            </div>
        </div>
    );
};

export default BmsPanel;