@extends('layouts.master')

@section('styles')
    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
@endsection

@section('content')
<div class="page-header d-flex align-items-center justify-content-between mb-4">
    <div>
        <h2 class="fw-semibold mb-0">Offers & Ads</h2>
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-0 mt-1">
                <li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}">Dashboard</a></li>
                <li class="breadcrumb-item active" aria-current="page">Offers & Ads</li>
            </ol>
        </nav>
    </div>

    <div class="d-flex align-items-center">
        <select id="offersRange" class="form-select form-select-sm me-2" style="width:auto">
            <option value="24h">Last 24 hours</option>
            <option value="yesterday">Yesterday</option>
            <option value="7">Last 7 days</option>
            <option value="15">Last 15 days</option>
            <option selected value="30">Last 30 days</option>
        </select>
        <button id="offersRefresh" class="btn btn-primary btn-sm">Refresh</button>
    </div>
</div>

{{-- Server-side KPI row (render from $initial if passed) --}}
<div id="offers-kpi-row" class="row g-3 mb-4">
    @foreach(($initial['kpis'] ?? []) as $k)
        <div class="col-xxl-3 col-xl-4 col-lg-6 col-md-6">
            <x-ui.stat-card
                number="{{ $k['value'] }}"
                title="{{ $k['title'] }}"
                deltaClass="{{ $k['deltaClass'] ?? 'bg-success-transparent' }}"
                iconClass="{{ $k['icon'] ?? 'ri-advertisement-line' }}"
                iconColor="{{ $k['iconColor'] ?? 'rgba(99,102,241,1)' }}"
                circleBg="{{ $k['circleBg'] ?? 'linear-gradient(135deg, rgba(237,233,255,0.9), rgba(242,245,255,0.9))' }}"
            />
        </div>
    @endforeach
</div>

{{-- Charts --}}
<div class="row g-3 mb-4">
    <div class="col-md-6">
        <div class="card custom-card">
            <div class="card-body">
                <h6 class="card-title">Offerwall Revenue (Last <span id="offers-label-days">30</span>)</h6>
                <div id="offerRevenueChart" style="height:360px;"></div>
            </div>
        </div>
    </div>

    <div class="col-md-6">
        <div class="card custom-card">
            <div class="card-body">
                <h6 class="card-title">Offer Conversions</h6>
                <div id="offerConversionChart" style="height:360px;"></div>
            </div>
        </div>
    </div>
</div>

{{-- Top Offers + Recent Offer Events --}}
<div class="row g-3">
    <div class="col-lg-4">
        <div class="card custom-card">
            <div class="card-body">
                <h6 class="card-title">Top Offers</h6>
                <ul id="topOffers" class="list-group list-group-flush"></ul>
            </div>
        </div>
    </div>

    <div class="col-lg-8">
        <div class="card custom-card">
            <div class="card-body">
                <h6 class="card-title">Recent Offer Events</h6>
                <div class="table-responsive">
                    <table class="table table-sm table-striped align-middle" id="recentOfferTable">
                        <thead class="table-light">
                            <tr>
                                <th>ID</th>
                                <th>User</th>
                                <th>Offer</th>
                                <th>Type</th>
                                <th>Revenue</th>
                                <th>Time</th>
                            </tr>
                        </thead>
                        <tbody></tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@section('scripts')
@include('layouts.components.scripts')
@include('layouts.components.common-script')
<script src="{{ asset('build/assets/libs/apexcharts/apexcharts.min.js') }}"></script>

<script>
document.addEventListener('DOMContentLoaded', function(){
    const rangeEl = document.getElementById('offersRange');
    const refreshBtn = document.getElementById('offersRefresh');
    const labelDays = document.getElementById('offers-label-days');

    // chart instances
    let offerRevenueChart = null;
    let offerConversionChart = null;

    function safeLabels(l){ if(!l) return []; if(Array.isArray(l)) return l; if(typeof l==='object') return Object.keys(l); return [String(l)]; }
    function toNumberSeries(rows, key){ if(!rows) return []; if(Array.isArray(rows) && rows.every(x=>typeof x==='number')) return rows; if(Array.isArray(rows) && rows.length && typeof rows[0]==='object'){ const k=key|| (rows[0].count? 'count': (rows[0].total? 'total': null)); if(k) return rows.map(r=>Number(r[k]||0)); return rows.map(r=>Number(Object.values(r).find(v=>!isNaN(Number(v)))||0)); } if(typeof rows==='object') return Object.values(rows).map(v=>Number(v||0)); return []; }

    function mapRangeValue(selected){
        if(selected==='24h') return { range:1, mode:'24h' };
        if(selected==='yesterday') return { range:1, mode:'yesterday' };
        return { range: Number(selected), mode: 'days' };
    }

    // KPI renderer (keeps your stat-card appearance if JS updates)
    function renderKPIs(kpis){
      const container = document.getElementById('offers-kpi-row');
      if(!container) return;
      container.innerHTML = '';
      if(!Array.isArray(kpis) || kpis.length===0){
        container.insertAdjacentHTML('beforeend','<div class="col-12"><div class="alert alert-info py-2 mb-0">No KPI data</div></div>');
        return;
      }
      kpis.forEach(k => {
        const html = `
          <div class="col-xxl-3 col-xl-4 col-lg-6 col-md-6">
            <div class="card custom-card overflow-hidden h-100">
              <div class="m-3 bg-light rounded-1 border">
                <div class="card-body pb-4 mb-2 d-flex align-items-center justify-content-between">
                  <div>
                    <p class="mb-1 text-muted fw-medium">${k.title}</p>
                    <h4 class="mb-0 fw-medium">${k.value}</h4>
                  </div>
                  <div class="text-end">
                    <div class="text-muted fs-12">Last ${rangeEl.value}</div>
                    <div class="mt-1"><i class="${k.icon ?? 'ri-advertisement-line'} fs-4" style="color:${k.iconColor ?? 'rgba(99,102,241,1)'}"></i></div>
                  </div>
                </div>
              </div>
            </div>
          </div>`;
        container.insertAdjacentHTML('beforeend', html);
      });
    }

    // Offer Revenue area chart
    function renderOfferRevenue(labels, series){
      if(!document.querySelector('#offerRevenueChart')) return;
      const opts = {
        chart:{ type:'area', height:360, toolbar:{show:false} },
        series:[{ name:'Offer Revenue', data: series }],
        xaxis:{ categories: labels },
        stroke:{ curve:'smooth' },
        colors:['#6366f1']
      };
      if(offerRevenueChart){ try{ offerRevenueChart.updateOptions(opts); offerRevenueChart.updateSeries([{ name:'Offer Revenue', data: series }]); } catch(e){ offerRevenueChart.destroy(); offerRevenueChart = new ApexCharts(document.querySelector('#offerRevenueChart'), opts); offerRevenueChart.render(); } }
      else { offerRevenueChart = new ApexCharts(document.querySelector('#offerRevenueChart'), opts); offerRevenueChart.render(); }
    }

    // Offer conversions (bar or line)
    function renderOfferConversion(labels, conversionSeries){
      if(!document.querySelector('#offerConversionChart')) return;
      const opts = {
        chart:{ type:'bar', height:360, toolbar:{show:false} },
        series:[{ name:'Conversions', data: conversionSeries }],
        xaxis:{ categories: labels },
        plotOptions:{ bar:{ columnWidth:'60%'}},
        colors:['#10b981']
      };
      if(offerConversionChart){ try{ offerConversionChart.updateOptions(opts); offerConversionChart.updateSeries([{ name:'Conversions', data: conversionSeries }]); } catch(e){ offerConversionChart.destroy(); offerConversionChart = new ApexCharts(document.querySelector('#offerConversionChart'), opts); offerConversionChart.render(); } }
      else { offerConversionChart = new ApexCharts(document.querySelector('#offerConversionChart'), opts); offerConversionChart.render(); }
    }

    function renderTopOffers(rows){
      const list = document.getElementById('topOffers'); if(!list) return; list.innerHTML = '';
      (rows||[]).forEach(r=>{
        const title = r.title || r.offer_name || r.offer_id || 'Offer';
        const cnt = r.count ?? r.completions ?? r.paid ?? 0;
        list.insertAdjacentHTML('beforeend', `<li class="list-group-item d-flex justify-content-between align-items-center">${title}<span class="fw-bold">${cnt}</span></li>`);
      });
    }

    function renderRecentOffers(rows){
      const tbody = document.querySelector('#recentOfferTable tbody');
      if(!tbody) return; tbody.innerHTML = '';
      (rows||[]).forEach(r=>{
        const tr = document.createElement('tr');
        tr.innerHTML = `<td>${r.id ?? ''}</td><td>${r.user_id ?? ''}</td><td>${r.offer_name ?? r.offer_id ?? ''}</td><td>${r.type ?? ''}</td><td>${r.revenue ?? r.amount ?? 0}</td><td>${r.created_at ?? ''}</td>`;
        tbody.appendChild(tr);
      });
    }

    // Main fetch
    function fetchOffersData(){
      const sel = rangeEl ? rangeEl.value : '30';
      const mapped = mapRangeValue(sel);
      labelDays.innerText = (sel==='24h' ? '24h' : (sel==='yesterday' ? 'Yesterday' : sel));
      axios.get("{{ route('admin.dashboard.offers.data') }}", { params: { range: mapped.range, mode: mapped.mode } })
        .then(res=>{
          const p = res.data || {};
          console.log('Offers payload', p);

          // KPIs
          const kpis = p.kpis || (p.meta ? [
            { key:'offers', title:'Active Offers', value: p.meta.activeOffers ?? 0, icon:'ri-advertisement-line' },
            { key:'comps', title:'Completions', value: p.meta.completions ?? 0, icon:'ri-check-line' },
            { key:'revenue', title:'Offer Revenue', value: p.meta.offerRevenue ?? 0, icon:'ri-wallet-line' },
            { key:'pending', title:'Pending Credits', value: p.meta.pendingCredits ?? 0, icon:'ri-time-line' },
          ] : []);
          renderKPIs(kpis);

          // Offer revenue
          const labels = p.charts?.labels || [];
          const revenueSeries = p.charts?.offer_revenue?.series || p.charts?.offer_revenue || [];
          renderOfferRevenue(labels, revenueSeries);

          // conversions
          const convSeries = p.charts?.conversions?.series || p.charts?.conversions || [];
          const convLabels = p.charts?.conversions?.labels || labels;
          renderOfferConversion(convLabels, convSeries);

          // top offers + recent
          renderTopOffers(p.top_offers || p.charts?.top_offers || []);
          renderRecentOffers(p.recent?.events || p.recent_events || p.recent_offers || []);
        })
        .catch(err=>{ console.error('offers data fetch failed', err); });
    }

    // init dropdown options
    (function ensureOpts(){
      if(!rangeEl) return;
      const cur = rangeEl.value;
      rangeEl.innerHTML = '';
      [['24h','Last 24 hours'], ['yesterday','Yesterday'], ['7','Last 7 days'], ['15','Last 15 days'], ['30','Last 30 days']].forEach(o=>{
        const op = document.createElement('option'); op.value=o[0]; op.text=o[1]; rangeEl.appendChild(op);
      });
      rangeEl.value = Array.from(rangeEl.options).some(op=>op.value===cur)? cur : '30';
    })();

    if(refreshBtn) refreshBtn.addEventListener('click', fetchOffersData);
    if(rangeEl) rangeEl.addEventListener('change', fetchOffersData);

    // initial
    fetchOffersData();
});
</script>
@endsection