@extends('layouts.admin')

@section('scripts')
<script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
@endsection

@section('content')
<script>
/**
 * Machine Utilization Dashboard Alpine Component
 * Robust Pattern: Defined as a global function to ensure availability before Alpine initialization.
 */
window.utilizationDashboard = function(initialMachines, initialStats) {
    return {
        startDate: new Date().toISOString().split('T')[0],
        machines: initialMachines || [],
        fleetStats: initialStats || { avgOee: 0, onlineCount: 0, totalSales: 0, totalMachines: 0 },
        searchQuery: '',
        selectedMachineId: null,
        selectedMachine: null,
        loading: false,
        chart: null,
        miniChart: null,

        get filteredMachines() {
            if (!this.searchQuery) return this.machines;
            const q = this.searchQuery.toLowerCase();
            return this.machines.filter(m => 
                m.name.toLowerCase().includes(q) || 
                m.serial_no.toLowerCase().includes(q)
            );
        },

        init() {
            // Ensure ApexCharts and DOM are ready
            this.$nextTick(() => {
                this.initMiniChart();
                if (this.machines.length > 0) {
                    this.selectMachine(this.machines[0]);
                }
            });
        },

        initMiniChart() {
            const options = {
                chart: { type: 'radialBar', height: '100%', sparkline: { enabled: true } },
                series: [this.fleetStats.avgOee || 0],
                colors: ['#06b6d4'],
                plotOptions: {
                    radialBar: {
                        hollow: { size: '40%' },
                        dataLabels: { show: false }
                    }
                },
                stroke: { lineCap: 'round' }
            };
            
            if (this.miniChart) this.miniChart.destroy();
            const el = document.querySelector("#oee-mini-chart");
            if (el) {
                this.miniChart = new ApexCharts(el, options);
                this.miniChart.render();
            }
        },

        async selectMachine(machine) {
            this.selectedMachineId = machine.id;
            this.loading = true;
            window.dispatchEvent(new CustomEvent('show-global-loading'));
            try {
                // Correct route as defined in web.php: /admin/machines/utilization-ajax/{id}
                const res = await fetch(`/admin/machines/utilization-ajax/${machine.id}?date=${this.startDate}`);
                const data = await res.json();
                if (data.success) {
                    this.selectedMachine = { ...machine, ...data.data };
                    this.$nextTick(() => this.updateChart(data.data.chart_data));
                }
            } catch (e) {
                console.error('Failed to fetch machine data:', e);
            } finally {
                this.loading = false;
                window.dispatchEvent(new CustomEvent('hide-global-loading'));
            }
        },

        async fetchData() {
            this.loading = true;
            window.dispatchEvent(new CustomEvent('show-global-loading'));
            try {
                // Fleet-wide data: no ID provided
                const res = await fetch(`/admin/machines/utilization-ajax?date=${this.startDate}`);
                const data = await res.json();
                if (data.success) {
                    this.fleetStats = data.data; // Server returns getFleetStats output
                    this.initMiniChart();
                    if (this.selectedMachineId) {
                        const m = this.machines.find(x => x.id === this.selectedMachineId);
                        if (m) this.selectMachine(m);
                    }
                }
            } catch (e) {
                console.error('Failed to fetch fleet data:', e);
            } finally {
                this.loading = false;
                window.dispatchEvent(new CustomEvent('hide-global-loading'));
            }
        },

        updateChart(chartData) {
            const options = {
                series: [{
                    name: '{{ __("OEE Score") }}',
                    data: chartData ? chartData.values : []
                }],
                chart: {
                    type: 'area',
                    height: 350,
                    toolbar: { show: false },
                    zoom: { enabled: false },
                    fontFamily: 'Plus Jakarta Sans, sans-serif'
                },
                dataLabels: { enabled: false },
                stroke: { curve: 'smooth', width: 4, colors: ['#06b6d4'] },
                fill: {
                    type: 'gradient',
                    gradient: {
                        shadeIntensity: 1,
                        opacityFrom: 0.4,
                        opacityTo: 0,
                        stops: [0, 90, 100],
                        colorStops: [
                            { offset: 0, color: '#06b6d4', opacity: 0.4 },
                            { offset: 100, color: '#06b6d4', opacity: 0 }
                        ]
                    }
                },
                grid: {
                    borderColor: '#f1f5f9',
                    strokeDashArray: 4,
                    padding: { left: 20 }
                },
                xaxis: {
                    categories: chartData ? chartData.labels : [],
                    axisBorder: { show: false },
                    axisTicks: { show: false },
                    labels: {
                        style: { colors: '#94a3b8', fontWeight: 700, fontSize: '10px' }
                    }
                },
                yaxis: {
                    min: 0,
                    max: 100,
                    labels: {
                        style: { colors: '#94a3b8', fontWeight: 700, fontSize: '10px' }
                    }
                },
                tooltip: {
                    theme: 'dark',
                    custom: function({ series, seriesIndex, dataPointIndex, w }) {
                        return '<div class="px-3 py-2 bg-slate-900 text-white rounded-lg border border-slate-700 shadow-xl">' +
                               '<span class="text-[10px] font-black uppercase tracking-widest block opacity-50 mb-1">' + w.globals.categoryLabels[dataPointIndex] + '</span>' +
                               '<span class="text-sm font-black">' + series[seriesIndex][dataPointIndex] + '% {{ __("OEE") }}</span>' +
                               '</div>';
                    }
                }
            };

            const chartEl = document.querySelector("#utilization-chart");
            if (chartEl) {
                if (this.chart) this.chart.destroy();
                this.chart = new ApexCharts(chartEl, options);
                this.chart.render();
            }
        }
    };
}
</script>

<div class="space-y-6" x-data="utilizationDashboard(@js($compactMachines), @js($fleetStats))">
    <!-- Page Header -->
    <div class="flex flex-col md:flex-row md:items-center justify-between gap-6">
        <div>
            <h1 class="text-3xl font-black text-slate-800 dark:text-white tracking-tight">{{ __('Machine Utilization') }}</h1>
            <p class="text-sm font-bold text-slate-400 uppercase tracking-widest mt-1">{{ __('Real-time fleet efficiency and OEE metrics') }}</p>
        </div>
        <div class="flex items-center gap-3 px-4 py-2 rounded-2xl bg-slate-100/50 dark:bg-slate-800/50 border border-slate-200/60 dark:border-slate-700/60 backdrop-blur-sm">
            <span class="flex h-2 w-2 rounded-full bg-cyan-500 animate-pulse"></span>
            <span class="text-[10px] font-black text-slate-500 uppercase tracking-widest">{{ __('Live Fleet Updates') }}</span>
        </div>
    </div>

    <!-- Top Stats Bar -->
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
        <!-- OEE Metric Card -->
        <div class="luxury-card rounded-3xl p-6 relative overflow-hidden group">
            <div class="absolute -right-4 -top-4 w-24 h-24 bg-cyan-500/5 rounded-full blur-2xl group-hover:bg-cyan-500/10 transition-all duration-500"></div>
            <div class="flex items-center justify-between relative z-10">
                <div>
                    <p class="text-[11px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-[0.2em] mb-1">{{ __('Fleet Avg OEE') }}</p>
                    <h3 class="text-3xl font-black text-slate-800 dark:text-white tracking-tight" x-text="(fleetStats.avgOee || 0) + '%'"></h3>
                </div>
                <div class="w-14 h-14" id="oee-mini-chart"></div>
            </div>
            <div class="mt-4 flex items-center gap-2">
                <span class="flex h-2 w-2 rounded-full bg-emerald-500 shadow-[0_0_8px_rgba(16,185,129,0.4)]"></span>
                <span class="text-[10px] font-bold text-slate-500 uppercase tracking-widest">{{ __('Optimized Performance') }}</span>
            </div>
        </div>

        <!-- Online Pulse Card -->
        <div class="luxury-card rounded-3xl p-6 relative overflow-hidden group">
            <div class="absolute -right-4 -top-4 w-24 h-24 bg-emerald-500/5 rounded-full blur-2xl group-hover:bg-emerald-500/10 transition-all duration-500"></div>
            <div class="flex items-center justify-between relative z-10">
                <div>
                    <p class="text-[11px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-[0.2em] mb-1">{{ __('Online Status') }}</p>
                    <div class="flex items-baseline gap-2">
                        <span class="text-3xl font-black text-slate-800 dark:text-white tracking-tight" x-text="fleetStats.onlineCount || 0"></span>
                        <span class="text-sm font-bold text-slate-400">/ <span x-text="fleetStats.totalMachines || 0"></span></span>
                    </div>
                </div>
                <div class="w-12 h-12 rounded-2xl bg-emerald-500/10 flex items-center justify-center">
                    <div class="relative flex h-4 w-4">
                        <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-emerald-400 opacity-75"></span>
                        <span class="relative inline-flex rounded-full h-4 w-4 bg-emerald-500"></span>
                    </div>
                </div>
            </div>
            <div class="mt-4 flex items-center justify-between">
                <div class="h-1.5 flex-1 bg-slate-100 dark:bg-slate-800 rounded-full overflow-hidden">
                    <div class="h-full bg-emerald-500 transition-all duration-1000" :style="'width: ' + ((fleetStats.onlineCount / fleetStats.totalMachines) * 100 || 0) + '%'"></div>
                </div>
            </div>
        </div>

        <!-- Revenue Insights Card -->
        <div class="luxury-card rounded-3xl p-6 relative overflow-hidden group">
            <div class="absolute -right-4 -top-4 w-24 h-24 bg-amber-500/5 rounded-full blur-2xl group-hover:bg-amber-500/10 transition-all duration-500"></div>
            <div class="flex items-center justify-between relative z-10">
                <div>
                    <p class="text-[11px] font-black text-slate-400 dark:text-slate-500 uppercase tracking-[0.2em] mb-1">{{ __('Daily Revenue') }}</p>
                    <h3 class="text-3xl font-black text-slate-800 dark:text-white tracking-tight" x-text="'$' + (fleetStats.totalSales || 0).toLocaleString()"></h3>
                </div>
                <div class="w-12 h-12 rounded-2xl bg-amber-500/10 flex items-center justify-center text-amber-500">
                    <svg class="size-6" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5"><path d="M12 2v20M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
                </div>
            </div>
            <p class="mt-4 text-[10px] font-bold text-slate-400 uppercase tracking-widest">{{ __('Total Gross Value') }}</p>
        </div>

        <!-- Date Control Card -->
        <div class="luxury-card rounded-3xl p-6 border-cyan-500/20 bg-gradient-to-br from-white to-cyan-50/30 dark:from-slate-900 dark:to-cyan-950/20">
            <p class="text-[11px] font-black text-cyan-600 dark:text-cyan-400 uppercase tracking-[0.2em] mb-3">{{ __('Reporting Period') }}</p>
            <div class="relative group">
                <input type="date" x-model="startDate" @change="fetchData"
                       class="w-full bg-transparent border-none p-0 text-xl font-black text-slate-800 dark:text-white focus:ring-0 cursor-pointer">
                <div class="absolute bottom-0 left-0 w-0 h-0.5 bg-cyan-500 group-hover:w-full transition-all duration-500"></div>
            </div>
            <p class="mt-3 text-[10px] font-bold text-slate-400 uppercase tracking-widest">{{ __('Select date to sync data') }}</p>
        </div>
    </div>

    <!-- Master-Detail Interaction Area -->
    <div class="grid grid-cols-1 lg:grid-cols-12 gap-8 items-start">
        <!-- Master: Machine List -->
        <div class="lg:col-span-4 space-y-4">
            <div class="flex items-center justify-between mb-2 px-1">
                <h4 class="text-sm font-black text-slate-800 dark:text-slate-200 uppercase tracking-widest">{{ __('Machine Registry') }}</h4>
                <span class="text-[10px] font-bold px-2 py-0.5 rounded-md bg-slate-100 dark:bg-slate-800 text-slate-500 uppercase" x-text="(filteredMachines.length) + ' {{ __('Units') }}'"></span>
            </div>
            
            <!-- Search -->
            <div class="relative group">
                <span class="absolute inset-y-0 left-0 flex items-center pl-4 pointer-events-none z-10">
                    <svg class="h-4 w-4 text-slate-400 group-focus-within:text-cyan-500 transition-colors"
                        viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                        stroke-linejoin="round">
                        <circle cx="11" cy="11" r="8"></circle>
                        <line x1="21" y1="21" x2="16.65" y2="16.65"></line>
                    </svg>
                </span>
                <input type="text" x-model="searchQuery" 
                    placeholder="{{ __('Search serial or name...') }}"
                    class="luxury-input py-2.5 pl-12 pr-6 block w-full text-sm">
            </div>

            <!-- List Container -->
            <div class="space-y-3 max-h-[600px] overflow-y-auto pr-2 custom-scrollbar">
                <template x-for="machine in filteredMachines" :key="machine.id">
                    <button @click="selectMachine(machine)"
                            :class="selectedMachineId === machine.id ? 'border-cyan-500 ring-4 ring-cyan-500/10 bg-cyan-50/30 dark:bg-cyan-950/20' : 'border-slate-200/60 dark:border-slate-800 hover:border-slate-300 dark:hover:border-slate-700'"
                            class="w-full text-left p-4 rounded-2xl border bg-white dark:bg-slate-900 transition-all duration-300 group">
                        <div class="flex items-center gap-4">
                            <div :class="machine.status === 'online' ? 'bg-emerald-500' : 'bg-slate-300'"
                                 class="w-1.5 h-10 rounded-full transition-colors duration-500"></div>
                            <div class="flex-1 min-w-0">
                                <h5 class="text-sm font-black text-slate-800 dark:text-slate-200 truncate" x-text="machine.name"></h5>
                                <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mt-0.5" x-text="machine.serial_no"></p>
                            </div>
                            <svg :class="selectedMachineId === machine.id ? 'text-cyan-500 translate-x-0 opacity-100' : 'text-slate-300 -translate-x-2 opacity-0'"
                                 class="size-5 transition-all duration-300" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3"><path d="m9 18 6-6-6-6"/></svg>
                        </div>
                    </button>
                </template>

                <!-- Empty State -->
                <template x-if="filteredMachines.length === 0">
                    <div class="py-12 text-center">
                        <div class="size-16 mx-auto bg-slate-100 dark:bg-slate-800 rounded-full flex items-center justify-center text-slate-300 mb-4">
                            <svg class="size-8" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M15 15l6 6m-6-6l-6-6m6 6l6-6m-6 6l-6 6"/></svg>
                        </div>
                        <p class="text-xs font-bold text-slate-500 uppercase tracking-widest">{{ __('No matching machines') }}</p>
                    </div>
                </template>
            </div>
        </div>

        <!-- Detail: Performance Analysis -->
        <div class="lg:col-span-8">
            <template x-if="selectedMachine">
                <div class="space-y-6 animate-fade-in">
                    <!-- Machine Header -->
                    <div class="luxury-card rounded-[2.5rem] p-8 border-b-4 border-b-cyan-500 shadow-xl shadow-cyan-500/5 relative overflow-hidden">
                        <div class="absolute top-0 right-0 p-8">
                            <div class="flex items-center gap-2 px-4 py-2 rounded-full bg-slate-900/5 dark:bg-white/5 backdrop-blur-md">
                                <div :class="selectedMachine.status === 'online' ? 'bg-emerald-500' : 'bg-slate-400'" class="size-2 rounded-full"></div>
                                <span class="text-[10px] font-black uppercase tracking-widest" x-text="selectedMachine.status === 'online' ? '{{ __("Online") }}' : '{{ __("Offline") }}'"></span>
                            </div>
                        </div>

                        <div class="flex items-center gap-6">
                            <div class="size-20 rounded-3xl bg-luxury-gradient flex items-center justify-center text-white shadow-lg shadow-cyan-500/20">
                                <svg class="size-10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M12 2v20M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
                            </div>
                            <div>
                                <h2 class="text-3xl font-black text-slate-800 dark:text-white tracking-tight" x-text="selectedMachine.name"></h2>
                                <p class="text-sm font-bold text-slate-500 uppercase tracking-[0.2em] mt-1" x-text="'{{ __("Serial NO") }}: ' + selectedMachine.serial_no"></p>
                            </div>
                        </div>

                        <!-- Highlights -->
                        <div class="grid grid-cols-2 md:grid-cols-4 gap-6 mt-10 p-6 bg-slate-50 dark:bg-slate-900/50 rounded-3xl border border-slate-100 dark:border-slate-800">
                            <div>
                                <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mb-1">{{ __('OEE Score') }}</p>
                                <p class="text-xl font-black text-cyan-600 dark:text-cyan-400" x-text="(selectedMachine.oee || 0) + '%'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mb-1">{{ __('Utilized Time') }}</p>
                                <p class="text-xl font-black text-slate-800 dark:text-slate-200" x-text="(selectedMachine.utilized_minutes || 0) + ' {{ __("min") }}'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mb-1">{{ __('Output Count') }}</p>
                                <p class="text-xl font-black text-slate-800 dark:text-slate-200" x-text="selectedMachine.output_count || 0"></p>
                            </div>
                            <div>
                                <p class="text-[10px] font-bold text-slate-400 uppercase tracking-widest mb-1">{{ __('Avg Cycle') }}</p>
                                <p class="text-xl font-black text-slate-800 dark:text-slate-200" x-text="(selectedMachine.avg_cycle || 0) + '{{ __("s") }}'"></p>
                            </div>
                        </div>
                    </div>

                    <!-- Utilization Chart -->
                    <div class="luxury-card rounded-[2.5rem] p-8">
                        <div class="flex items-center justify-between mb-8">
                            <div>
                                <h4 class="text-lg font-black text-slate-800 dark:text-white tracking-tight">{{ __('OEE Efficiency Trend') }}</h4>
                                <p class="text-xs font-bold text-slate-500 uppercase tracking-widest mt-1">{{ __('Real-time performance analytics') }}</p>
                            </div>
                            <div class="flex items-center gap-2">
                                <span class="size-3 rounded-full bg-cyan-500"></span>
                                <span class="text-[10px] font-bold text-slate-400 uppercase tracking-widest">{{ __('Cycle Efficiency') }}</span>
                            </div>
                        </div>
                        <div id="utilization-chart" class="w-full h-[350px]"></div>
                    </div>
                </div>
            </template>

            <!-- Detail Placeholder -->
            <template x-if="!selectedMachine">
                <div class="h-full min-h-[500px] flex flex-col items-center justify-center luxury-card rounded-[2.5rem] border-dashed border-2 border-slate-200 dark:border-slate-800 bg-slate-50/20">
                    <div class="size-24 rounded-full bg-slate-100 dark:bg-slate-800 flex items-center justify-center text-slate-300 mb-6 scale-animation">
                        <svg class="size-12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M9 17v-2m3 2v-4m3 4v-6m2 10H7a2 2 0 01-2-2V5a2 2 0 012-2h5.5l7 7V19a2 2 0 01-2 2z"/></svg>
                    </div>
                    <h3 class="text-xl font-black text-slate-800 dark:text-slate-200 tracking-tight">{{ __('No Machine Selected') }}</h3>
                    <p class="text-sm font-bold text-slate-400 uppercase tracking-widest mt-2">{{ __('Select an asset from the left to start analysis') }}</p>
                </div>
            </template>
        </div>
    </div>

</div>
@endsection