/**
 * tenantConfig.js — Estimate Wizard tenant-configurable defaults.
 *
 * Spec §14 (Admin Controls) requires that pricing, discounts, warranty text,
 * package scope, service-life, and scoring weights are NOT hard-coded — they are
 * tenant-controlled. For the demo these defaults live here and can be overridden
 * by the admin page (Phase 5). Nothing customer-facing should bypass this object.
 *
 * Manufacturer-neutral by design (spec §3, §15): packages are generic categories,
 * internal SKU/vendor names are intentionally absent from customer-facing fields.
 */

// ── Good / Better / Best packages (spec §7) ──────────────────────────────────
export const DEFAULT_PACKAGES = [
    {
        type: 'GOOD',
        name: 'Standard Architectural',
        category: 'Architectural / laminate shingle system',
        materialClass: 'standard',
        warrantyLabel: '30-year material warranty category',
        position: 'Lowest upfront investment',
        fit: 'Shorter ownership horizon, limited budget, lower hail exposure, or preparing to sell soon.',
        // price rule: per-square installed price (demo). Real pricing engine lives in admin.
        pricePerSquare: 420,
        serviceLifeYears: 28,      // tenant-configurable (e.g. 25–30)
        insuranceDiscountPct: 0,   // Good is not impact-rated → no assumed discount
        hailResistance: 'Standard',
        scope: ['Architectural laminate shingles', 'Code-required underlayment', 'Standard hip/ridge', 'Standard accessories'],
        accent: 'zinc',
    },
    {
        type: 'BETTER',
        name: 'Class 4 Impact-Rated',
        category: 'Class 4 impact-rated architectural shingle system',
        materialClass: 'impact-rated',
        warrantyLabel: 'Enhanced manufacturer warranty category',
        position: 'Balanced protection and budget',
        fit: 'Medium-to-long ownership, meaningful hail exposure, wants stronger protection without premium-system cost.',
        pricePerSquare: 565,
        serviceLifeYears: 35,      // tenant-configurable (e.g. 30–40)
        insuranceDiscountPct: 15,  // illustrative; "ask your carrier to confirm"
        hailResistance: 'Higher',
        scope: ['Class 4 impact-rated shingles', 'Upgraded underlayment', 'Standard hip/ridge', 'Improved hail resistance'],
        accent: 'blue',
    },
    {
        type: 'BEST',
        name: 'Premium Long-Life System',
        category: 'Composite / synthetic or stone-coated steel category',
        materialClass: 'premium',
        warrantyLabel: 'Premium long-life warranty category',
        position: 'Highest long-term protection',
        fit: 'Long ownership, high hail exposure, high premium, wants fewer future roof cycles and strongest curb appeal.',
        pricePerSquare: 950,
        serviceLifeYears: 50,      // tenant-configurable (e.g. 50+)
        insuranceDiscountPct: 20,  // illustrative; "ask your carrier to confirm"
        hailResistance: 'Highest',
        scope: ['Composite/synthetic or stone-coated steel', 'Premium underlayment', 'Upgraded accessories', 'Highest durability positioning'],
        accent: 'amber',
    },
];

// ── Add-ons (spec §8) — plain-language, never fear-based ──────────────────────
export const DEFAULT_ADDONS = [
    {
        id: 'hip-ridge',
        name: 'High-profile hip & ridge',
        value: 'Improves the finished look and strengthens the ridge-line appearance.',
        price: 480,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: ['BEST'],
        triggerKeys: ['aesthetics'],
    },
    {
        id: 'solar-vents',
        name: 'Solar attic vents',
        value: 'Helps move hot attic air and may improve comfort and roof-system health.',
        price: 650,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: [],
        triggerKeys: ['attic_hot', 'energy_bills'],
    },
    {
        id: 'gutter-guards',
        name: 'Gutter guards',
        value: 'Reduces gutter debris buildup and maintenance frequency.',
        price: 900,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: [],
        triggerKeys: ['canopy'],
    },
    {
        id: 'critter-guards',
        name: 'Critter guards',
        value: 'Helps block common rodent and small-animal roofline entry points.',
        price: 350,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: [],
        triggerKeys: ['pests'],
    },
    {
        id: 'upgraded-flashing',
        name: 'Upgraded flashing / penetrations',
        value: 'Improves protection around common leak points.',
        price: 520,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: ['BEST'],
        triggerKeys: ['leak', 'old_roof', 'complex'],
    },
    {
        id: 'enhanced-underlayment',
        name: 'Enhanced underlayment / ice-water zones',
        value: 'Adds protection in vulnerable valleys, eaves, and penetrations.',
        price: 700,
        compatibility: ['GOOD', 'BETTER', 'BEST'],
        recommendedOn: [],
        triggerKeys: ['complex', 'leak'],
    },
];

// ── Scoring weights (spec §9) — deterministic, tenant-adjustable ──────────────
export const DEFAULT_SCORING_WEIGHTS = {
    ownershipHorizon: 0.25,
    hailRisk: 0.25,
    insuranceSavings: 0.20,
    budgetPreference: 0.15,
    roofAge: 0.10,
    aesthetics: 0.05,
};

// ── Storm-risk settings (spec §6, §14) ────────────────────────────────────────
export const DEFAULT_STORM_SETTINGS = {
    windowYears: 20,        // 10 fallback / 30 for smoother trends
    radiusMiles: 10,
    minHailSizeInches: 0.75,
    dedupeWindowHours: 6,
};

// ── Pricing engine knobs (spec §14) ───────────────────────────────────────────
export const DEFAULT_PRICING = {
    wasteFactor: 1.05,
    minJobPrice: 6500,
    pitchFactor: 1.0,        // multiplied per pitch/stories/complexity in admin
    taxPlaceholderPct: 0,
    permitPlaceholder: 0,
    // No measurement source in the wizard (spec §3) → assume an average roof size
    // so the customer sees a PRELIMINARY range. Verified during inspection.
    assumedSquares: 25,      // ~2,500 sq ft of roof surface
    rangeSpread: 0.08,       // ±8% band shown to the customer (low/base/high)
};

// ── Insurance discount scenarios (spec §10/§14) — low/base/high ───────────────
export const DEFAULT_DISCOUNT_SCENARIOS = {
    GOOD: { low: 0, base: 0, high: 0 },
    BETTER: { low: 10, base: 15, high: 18 },
    BEST: { low: 15, base: 18, high: 22 },
};

// ── Report branding (spec §14) ────────────────────────────────────────────────
export const DEFAULT_BRANDING = {
    company: 'LynkedUp Pro',
    phone: '866-259-6533',
    email: 'estimates@lynkeduppro.com',
    serviceArea: 'Texas & surrounding regions',
    primaryColor: '#fda913',
    legalFooter: 'Preliminary estimate. Not a binding quote.',
};

// ── Legal / disclaimer (spec §15) — verbatim required template ────────────────
export const DISCLAIMER_TEMPLATE =
    'This report is an educational, preliminary estimate based on the information provided and available ' +
    'property/storm data. Final pricing requires property measurement and contractor inspection. Insurance ' +
    'premium savings are illustrative only and must be confirmed with your insurance carrier or licensed ' +
    'insurance professional. Historical storm information is not a forecast or guarantee.';

// Schema version of the config shape. The *published* tenant version is this plus
// a revision suffix (e.g. tenant-config-v1.r4) that bumps on every admin save, so
// each report records exactly which package content/pricing produced it (§14, §18).
export const TENANT_CONFIG_VERSION = 'tenant-config-v1';
export const DISCLAIMER_VERSION = 'disclaimer-v1';

// Admin-editable overrides (spec §14). Held in memory only — like the rest of the
// CRM demo store, nothing is written to localStorage, so this resets on a full page
// reload. The wizard merges these over the defaults so pricing/branding/feature
// flags are tenant-controlled, not code. Module-scoped so the value survives route
// changes within a session (admin → wizard → leads) without persistence.
let configOverrides = {};

// Same-tab change signal so an open wizard refreshes when the admin publishes,
// without a hard reload (the in-memory store has no `storage` event to lean on).
export const CONFIG_CHANGE_EVENT = 'lup-estimate-wizard-config-changed';

function notifyConfigChanged() {
    try { window.dispatchEvent(new Event(CONFIG_CHANGE_EVENT)); } catch { /* SSR/no window */ }
}

function defaults() {
    return {
        version: TENANT_CONFIG_VERSION,
        disclaimerVersion: DISCLAIMER_VERSION,
        // Feature flags (spec §18): kill-switch, AI toggle, conservative copy mode.
        featureEnabled: true,
        aiExplanationsEnabled: true,
        conservativeMode: false,
        packages: DEFAULT_PACKAGES,
        addons: DEFAULT_ADDONS,
        scoringWeights: DEFAULT_SCORING_WEIGHTS,
        stormSettings: DEFAULT_STORM_SETTINGS,
        pricing: DEFAULT_PRICING,
        discountScenarios: DEFAULT_DISCOUNT_SCENARIOS,
        branding: DEFAULT_BRANDING,
        disclaimer: DISCLAIMER_TEMPLATE,
    };
}

export function loadConfigOverrides() {
    return configOverrides;
}

export function saveConfigOverrides(overrides) {
    configOverrides = overrides || {};
    notifyConfigChanged();
}

export function resetConfigOverrides() {
    configOverrides = {};
    notifyConfigChanged();
}

/**
 * Publish a new tenant config version (spec §14: "versioned"). Bumps the revision,
 * stamps versionedAt, and appends to a capped version history so admins can see and
 * audit every change. Returns the saved overrides (with the new version metadata).
 */
export function publishConfigOverrides(overrides) {
    const prev = loadConfigOverrides();
    const revision = (Number(prev.revision) || 0) + 1;
    const version = `${TENANT_CONFIG_VERSION}.r${revision}`;
    const versionedAt = new Date().toISOString();
    const history = Array.isArray(prev.versionHistory) ? prev.versionHistory : [];

    const saved = {
        ...overrides,
        revision,
        version,
        versionedAt,
        versionHistory: [{ revision, version, versionedAt }, ...history].slice(0, 25),
    };
    saveConfigOverrides(saved);
    return saved;
}

export function getTenantConfig() {
    const base = defaults();
    const o = loadConfigOverrides();

    // Shallow-merge top-level objects so partial admin edits don't drop defaults.
    // `...o` lets a published version/versionedAt/revision override the base schema
    // version, so getTenantConfig().version reflects the tenant's edits.
    return {
        ...base,
        ...o,
        pricing: { ...base.pricing, ...(o.pricing || {}) },
        branding: { ...base.branding, ...(o.branding || {}) },
        scoringWeights: { ...base.scoringWeights, ...(o.scoringWeights || {}) },
        stormSettings: { ...base.stormSettings, ...(o.stormSettings || {}) },
        discountScenarios: { ...base.discountScenarios, ...(o.discountScenarios || {}) },
        // Packages: merge admin price/label edits by type, keep default scope/copy.
        packages: base.packages.map((p) => {
            const ov = (o.packages || []).find((x) => x.type === p.type);
            return ov ? { ...p, ...ov } : p;
        }),
    };
}