// Central mock data + the live-estimate pricing model shared by the order flow.
// No real backend yet — the configurator's price/timeline/confidence come from
// computeEstimate(); replace with a call to the FastAPI /estimates later.

export type ProvLevel = 0 | 1 | 2 | 3; // 0 licens/ej · 1 en källa · 2 delvis · 3 flera källor

export interface Market {
  code: string;
  name: string;
  live: boolean;
  coverage: number; // %
}

// 20 European markets (Nordics live first, rest "kommande").
export const MARKETS: Market[] = [
  { code: "SE", name: "Sverige", live: true, coverage: 98 },
  { code: "NO", name: "Norge", live: true, coverage: 96 },
  { code: "DK", name: "Danmark", live: true, coverage: 94 },
  { code: "FI", name: "Finland", live: true, coverage: 89 },
  { code: "IS", name: "Island", live: false, coverage: 0 },
  { code: "NL", name: "Nederländerna", live: false, coverage: 0 },
  { code: "DE", name: "Tyskland", live: false, coverage: 0 },
  { code: "BE", name: "Belgien", live: false, coverage: 0 },
  { code: "IE", name: "Irland", live: false, coverage: 0 },
  { code: "FR", name: "Frankrike", live: false, coverage: 0 },
  { code: "GB", name: "Storbritannien", live: false, coverage: 0 },
  { code: "AT", name: "Österrike", live: false, coverage: 0 },
  { code: "CH", name: "Schweiz", live: false, coverage: 0 },
  { code: "IT", name: "Italien", live: false, coverage: 0 },
  { code: "ES", name: "Spanien", live: false, coverage: 0 },
  { code: "PT", name: "Portugal", live: false, coverage: 0 },
  { code: "PL", name: "Polen", live: false, coverage: 0 },
  { code: "CZ", name: "Tjeckien", live: false, coverage: 0 },
  { code: "HU", name: "Ungern", live: false, coverage: 0 },
  { code: "LU", name: "Luxemburg", live: false, coverage: 0 },
];

export type EntityType = "Bolag" | "Beslutsfattare" | "Fordon";
export const ENTITY_TYPES: { id: EntityType; mult: number }[] = [
  { id: "Bolag", mult: 1.0 },
  { id: "Beslutsfattare", mult: 1.4 },
  { id: "Fordon", mult: 1.2 },
];

export interface Field {
  id: string;
  name: string;
  sub: string;
  level: ProvLevel;
  source: string;
  freshness: string;
  weight: number;
  locked?: boolean;
}

// Each field carries its honest provenance: source · freshness · confidence level.
export const FIELDS: Field[] = [
  { id: "identity", name: "Identitet & säte", sub: "org.nr, namn, adress", level: 3, source: "GLEIF · Brreg", freshness: "daglig", weight: 1.0, locked: true },
  { id: "lei", name: "LEI / cross-border-nyckel", sub: "GLEIF golden copy", level: 3, source: "GLEIF", freshness: "daglig", weight: 0.8 },
  { id: "financials", name: "Finansiellt", sub: "omsättning, resultat, nyckeltal", level: 2, source: "register", freshness: "årlig", weight: 1.6 },
  { id: "ubo", name: "Verklig huvudman (UBO)", sub: "ägarkedja", level: 2, source: "register", freshness: "vid ändring", weight: 1.4 },
  { id: "contact", name: "Kontakt: e-post & telefon", sub: "licens krävs i DE/FR", level: 1, source: "publik webb", freshness: "veckovis", weight: 1.8 },
  { id: "intent", name: "Köpsignaler & intent", sub: "jobbannonser, nyheter, tech", level: 1, source: "webb", freshness: "veckovis", weight: 1.5 },
];

export interface Enrichment {
  id: string;
  label: string;
  weight: number;
}
export const ENRICHMENTS: Enrichment[] = [
  { id: "dedup", label: "Dedup mot min fil", weight: 0.1 },
  { id: "crm", label: "Matcha & berika min CRM-export", weight: 0.2 },
  { id: "sanctions", label: "Sanktioner / PEP-flagg", weight: 0.15 },
  { id: "nace", label: "Branschklassning (NACE/SNI)", weight: 0.1 },
  { id: "tech", label: "Webbplats & teknikstack", weight: 0.15 },
];

export type Frequency = "Engångs" | "Veckovis" | "Dagligt flöde";
export const FREQUENCIES: Frequency[] = ["Engångs", "Veckovis", "Dagligt flöde"];

export const DELIVERY_FORMATS = [
  "CSV",
  "Tabellvy (NocoDB)",
  "Parquet",
  "JSON",
  "Dashboard (Metabase)",
  "API / webhook",
  "Push → FiveCRM",
];

const FIELD_RATE = 240; // kr per field-weight per 1000 rows per market

export interface EstimateInput {
  markets: string[];
  type: EntityType;
  fieldIds: string[];
  enrichmentIds: string[];
  volume: number;
  frequency: Frequency;
  confidence: number; // target 80–99
}

export interface Estimate {
  price: number;
  deposit: number;
  remainder: number;
  timelineDays: number;
  estConfidence: number;
  recurring: boolean;
}

export function computeEstimate(input: EstimateInput): Estimate {
  const markets = Math.max(1, input.markets.length);
  const fields = FIELDS.filter((f) => input.fieldIds.includes(f.id) || f.locked);
  const fieldWeight = fields.reduce((s, f) => s + f.weight, 0) || 1;
  const entityMult = ENTITY_TYPES.find((e) => e.id === input.type)?.mult ?? 1;
  const confidenceMult = 1 + Math.max(0, input.confidence - 90) * 0.03;
  const enrichWeight = ENRICHMENTS.filter((e) => input.enrichmentIds.includes(e.id)).reduce((s, e) => s + e.weight, 0);

  const base = fieldWeight * markets * FIELD_RATE * (input.volume / 1000) * entityMult * confidenceMult;
  const price = Math.round((base * (1 + enrichWeight)) / 5) * 5; // round to 5 kr
  const deposit = Math.round(price / 2);

  const timelineDays = Math.min(
    14,
    Math.max(1, Math.round(1 + markets * 0.4 + input.volume / 6000 + fields.length * 0.25)),
  );

  // Honest estimated confidence: bounded by the provenance of the chosen fields.
  const avgLevel = fields.reduce((s, f) => s + f.level, 0) / fields.length; // 0..3
  const fieldCeiling = Math.round(82 + avgLevel * 5); // ~82..97
  const estConfidence = Math.min(input.confidence, fieldCeiling);

  return {
    price,
    deposit,
    remainder: price - deposit,
    timelineDays,
    estConfidence,
    recurring: input.frequency !== "Engångs",
  };
}

export function formatSEK(n: number): string {
  return new Intl.NumberFormat("sv-SE").format(Math.round(n)) + " kr";
}

// Sample Nordic rows reused by the validation table.
export interface SampleRow {
  orgnr: string;
  bolag: string;
  sate: string;
  sni: string;
  anstallda: number;
  oms: number; // tkr
  epost: string;
  epostLevel: ProvLevel;
  lei: string;
}
export const SAMPLE_ROWS: SampleRow[] = [
  { orgnr: "556016-0680", bolag: "Volvo Group", sate: "Göteborg", sni: "29100", anstallda: 95000, oms: 553000000, epost: "info@volvo.com", epostLevel: 2, lei: "5493000XYZ..." },
  { orgnr: "556036-0793", bolag: "Spotify AB", sate: "Stockholm", sni: "63110", anstallda: 9800, oms: 132000000, epost: "press@spotify.com", epostLevel: 2, lei: "549300ABC..." },
  { orgnr: "915933149", bolag: "Equinor ASA", sate: "Stavanger", sni: "06100", anstallda: 22000, oms: 980000000, epost: "kontakt@equinor.no", epostLevel: 1, lei: "549300NOR..." },
  { orgnr: "25052943", bolag: "Maersk A/S", sate: "København", sni: "50200", anstallda: 100000, oms: 510000000, epost: "info@maersk.dk", epostLevel: 1, lei: "549300DNK..." },
  { orgnr: "0112038-9", bolag: "Nokia Oyj", sate: "Espoo", sni: "26300", anstallda: 86000, oms: 221000000, epost: "", epostLevel: 0, lei: "549300FIN..." },
];