// Production - The Idle Game: Desktop Inspector & Supply Chain Analytics Panel

import { PRODUCTS, SECTORS, getProduct } from '../data/products.js';
import { fmtCurrency, fmtNum } from '../core/formatters.js';

export function renderInspector(container, state, onAction) {
    const selectedId = state.selectedProductId || 'wheat';
    const product = getProduct(selectedId) || PRODUCTS[0];
    const pState = state.products[product.id] || { stock: 0, lines: 0, logistics: 0, unlocked: false };
    const sector = SECTORS.find(s => s.id === product.sector);

    // Find downstream products that consume this product
    const downstream = PRODUCTS.filter(p => p.inputs && p.inputs.some(inp => inp.id === product.id));

    // Calculate liquidation value
    const totalLiquidationValue = (pState.stock || 0) * product.basePrice;
    const halfLiquidationValue = totalLiquidationValue * 0.5;

    let html = `
        <div class="inspector-card">
            <div class="inspector-header">
                <div class="inspector-badge-row">
                    <span class="sector-tag" style="background: ${product.color}15; color: ${product.color};">
                        <iconify-icon icon="${product.icon}"></iconify-icon> ${sector?.name}
                    </span>
                    <span class="tier-tag">Tier ${product.tier}</span>
                </div>
                <h3 class="inspector-title">${product.name}</h3>
                <p class="inspector-desc">${product.description}</p>
            </div>

            <!-- Real-time metrics grid -->
            <div class="inspector-metrics-grid">
                <div class="metric-box">
                    <span class="metric-label">Warehouse Stock:</span>
                    <strong class="metric-val font-mono">${fmtNum(pState.stock, 0)} ${product.unit}</strong>
                </div>
                <div class="metric-box">
                    <span class="metric-label">Wholesale Price:</span>
                    <strong class="metric-val font-mono">${fmtCurrency(product.basePrice)}</strong>
                </div>
                <div class="metric-box">
                    <span class="metric-label">Production Lines:</span>
                    <strong class="metric-val font-mono">${pState.lines} active</strong>
                </div>
                <div class="metric-box">
                    <span class="metric-label">Logistics Fleets:</span>
                    <strong class="metric-val font-mono">${pState.logistics || 0} active</strong>
                </div>
            </div>

            <!-- Instant Wholesale Market Liquidation -->
            <div class="inspector-section">
                <h4 class="section-heading">
                    <iconify-icon icon="lucide:dollar-sign"></iconify-icon> Instant Wholesale Liquidation
                </h4>
                <p class="section-subtext">Liquidate stockpiles immediately onto the wholesale spot market.</p>
                <div class="liquidation-buttons">
                    <button class="btn-corp-secondary btn-liquidate-half" data-product="${product.id}" ${pState.stock >= 2 ? '' : 'disabled'}>
                        Sell 50% (${fmtCurrency(halfLiquidationValue)})
                    </button>
                    <button class="btn-primary-corp btn-liquidate-all" data-product="${product.id}" ${pState.stock >= 1 ? '' : 'disabled'}>
                        Sell 100% (${fmtCurrency(totalLiquidationValue)})
                    </button>
                </div>
            </div>

            <!-- Upstream & Downstream Supply Chain Flow -->
            <div class="inspector-section">
                <h4 class="section-heading">
                    <iconify-icon icon="lucide:git-fork"></iconify-icon> Supply Chain Dependencies
                </h4>

                <!-- Inputs (Upstream) -->
                <div class="chain-box">
                    <span class="chain-title">Direct Inputs:</span>
                    ${(!product.inputs || product.inputs.length === 0) ? `
                        <div class="chain-empty">Primary commodity &bull; Direct extraction from natural deposits.</div>
                    ` : `
                        <div class="chain-items">
                            ${product.inputs.map(inp => {
                                const parent = getProduct(inp.id);
                                const parentStock = state.products[inp.id]?.stock || 0;
                                return `
                                    <div class="chain-item-row" data-product="${parent.id}">
                                        <div class="chain-item-left">
                                            <iconify-icon icon="${parent.icon}" style="color: ${parent.color};"></iconify-icon>
                                            <span>${parent.name}</span>
                                        </div>
                                        <span class="chain-item-ratio font-mono">${inp.amount} per unit (${fmtNum(parentStock, 0)} on hand)</span>
                                    </div>
                                `;
                            }).join('')}
                        </div>
                    `}
                </div>

                <!-- Downstream Consumers -->
                <div class="chain-box">
                    <span class="chain-title">Downstream Consumers:</span>
                    ${downstream.length === 0 ? `
                        <div class="chain-empty">End-tier consumer or industrial finished product.</div>
                    ` : `
                        <div class="chain-items">
                            ${downstream.map(child => {
                                const isUnlocked = state.products[child.id]?.unlocked;
                                return `
                                    <div class="chain-item-row" data-product="${child.id}">
                                        <div class="chain-item-left">
                                            <iconify-icon icon="${child.icon}" style="color: ${child.color};"></iconify-icon>
                                            <span>${child.name}</span>
                                        </div>
                                        <span class="chain-badge ${isUnlocked ? 'badge-open' : 'badge-locked'}">
                                            ${isUnlocked ? 'Active' : 'Locked'}
                                        </span>
                                    </div>
                                `;
                            }).join('')}
                        </div>
                    `}
                </div>
            </div>
        </div>
    `;

    container.innerHTML = html;

    const halfBtn = container.querySelector('.btn-liquidate-half');
    if (halfBtn) {
        halfBtn.onclick = () => onAction({ type: 'LIQUIDATE_STOCK', productId: product.id, ratio: 0.5 });
    }

    const allBtn = container.querySelector('.btn-liquidate-all');
    if (allBtn) {
        allBtn.onclick = () => onAction({ type: 'LIQUIDATE_STOCK', productId: product.id, ratio: 1.0 });
    }

    container.querySelectorAll('.chain-item-row').forEach(row => {
        row.onclick = () => onAction({ type: 'SELECT_PRODUCT', productId: row.dataset.product });
    });
}