import {
  Gauge,
  MailCheck,
  MapPinned,
  ShieldCheck,
  UsersRound,
  type LucideIcon,
} from "lucide-react";

export { dashboardNavigation } from "./dashboard-navigation";

export type PipelineStage = {
  title: string;
  description: string;
  count: number;
  meta: string;
  icon: LucideIcon;
};

export type DashboardKpi = {
  label: string;
  value: string;
  detail: string;
};

export type ReviewQueueItem = {
  title: string;
  company: string;
  detail: string;
};

export type LeadPriority = "high" | "medium" | "low" | "defer" | "blocked";

export type LeadContactStatus =
  | "new"
  | "missing_contact"
  | "audit_ready"
  | "outreach_ready"
  | "contacted"
  | "replied"
  | "do_not_contact";

export type LeadBlacklistStatus = "clear" | "blocked";
export type LeadDuplicateStatus =
  | "unchecked"
  | "unique"
  | "possible_duplicate"
  | "duplicate";

export type OutreachApprovalStatus = "draft" | "approved" | "rejected";
export type OutreachSendStatus = "not_sent" | "queued" | "sent" | "failed";
export type OutreachResponseStatus =
  | "none"
  | "manual_reply_recorded"
  | "no_interest"
  | "follow_up_needed";
export type OutreachSalesStatus =
  | "follow_up_planned"
  | "follow_up_sent"
  | "reply_received"
  | "not_interested"
  | "later"
  | "meeting_scheduled"
  | "proposal_requested"
  | "proposal_sent"
  | "won"
  | "lost"
  | "do_not_pursue";

export type LeadFunnelStageId =
  | "missing_contact"
  | "audit_ready"
  | "review_open"
  | "contacted"
  | "follow_up"
  | "deferred";

export type LeadFunnelStage = {
  id: LeadFunnelStageId;
  title: string;
  description: string;
};

export type LeadFunnelOutreach = {
  approvalStatus?: OutreachApprovalStatus | null;
  sendStatus?: OutreachSendStatus | null;
  responseStatus?: OutreachResponseStatus | null;
  salesStatus?: OutreachSalesStatus | null;
};

export type LeadFunnelInput = {
  id: string;
  companyName: string;
  niche?: string | null;
  address?: string | null;
  city?: string | null;
  postalCode?: string | null;
  priority: LeadPriority;
  contactStatus: LeadContactStatus;
  blacklistStatus: LeadBlacklistStatus;
  email?: string | null;
  phone?: string | null;
  contactPerson?: string | null;
  websiteDomain?: string | null;
  outreach?: LeadFunnelOutreach | null;
};

export type LeadFunnelCard = {
  id: string;
  stageId: LeadFunnelStageId;
  company: string;
  niche: string;
  location: string;
  priorityLabel: string;
  contactStatusLabel: string;
  nextAction: string;
  websiteDomain?: string | null;
  contactDetail: string;
};

export type LeadFunnelGroup = {
  stage: LeadFunnelStage;
  cards: LeadFunnelCard[];
};

export const leadFunnelStages: LeadFunnelStage[] = [
  {
    id: "missing_contact",
    title: "Kontakt fehlt",
    description: "Leads ohne belastbare E-Mail oder Telefonnummer.",
  },
  {
    id: "audit_ready",
    title: "Audit bereit",
    description: "Analyse ist vorbereitet und braucht Einordnung.",
  },
  {
    id: "review_open",
    title: "Freigabe offen",
    description: "Kontaktstrategie, Audit-Link oder Text warten auf Review.",
  },
  {
    id: "contacted",
    title: "Kontaktiert",
    description: "Erstkontakt ist erfolgt; Antwort wird manuell gepflegt.",
  },
  {
    id: "follow_up",
    title: "Follow-up",
    description: "Respektvolle Wiedervorlage ohne automatischen Versand.",
  },
  {
    id: "deferred",
    title: "Zurückgestellt",
    description: "Nicht jetzt kontaktieren oder bewusst pausieren.",
  },
];

export const leadPriorityLabels: Record<LeadPriority, string> = {
  high: "Hoch",
  medium: "Mittel",
  low: "Niedrig",
  defer: "Zurückstellen",
  blocked: "Gesperrt",
};

export const leadContactStatusLabels: Record<LeadContactStatus, string> = {
  new: "Neu",
  missing_contact: "Kontakt fehlt",
  audit_ready: "Audit bereit",
  outreach_ready: "Freigabe offen",
  contacted: "Kontaktiert",
  replied: "Antwort erfasst",
  do_not_contact: "Nicht kontaktieren",
};

export const leadDuplicateStatusLabels: Record<LeadDuplicateStatus, string> = {
  unchecked: "Noch nicht geprüft",
  unique: "Einzigartig",
  possible_duplicate: "Möglicher Doppelter",
  duplicate: "Duplikat",
};

export const leadBlacklistStatusLabels: Record<LeadBlacklistStatus, string> = {
  clear: "Offen",
  blocked: "Gesperrt",
};

export const leadPriorityOptions: LeadPriority[] = [
  "high",
  "medium",
  "low",
  "defer",
  "blocked",
];

export const leadContactStatusOptions: LeadContactStatus[] = [
  "new",
  "missing_contact",
  "audit_ready",
  "outreach_ready",
  "contacted",
  "replied",
  "do_not_contact",
];

export const leadDuplicateStatusOptions: LeadDuplicateStatus[] = [
  "unchecked",
  "unique",
  "possible_duplicate",
  "duplicate",
];

export const leadBlacklistStatusOptions: LeadBlacklistStatus[] = ["clear", "blocked"];

export function getLeadPriorityLabel(priority: LeadPriority): string {
  return leadPriorityLabels[priority];
}

export function getLeadContactStatusLabel(status: LeadContactStatus): string {
  return leadContactStatusLabels[status];
}

export function getLeadDuplicateStatusLabel(status: LeadDuplicateStatus): string {
  return leadDuplicateStatusLabels[status];
}

export function getLeadBlacklistStatusLabel(status: LeadBlacklistStatus): string {
  return leadBlacklistStatusLabels[status];
}

export function toLeadFunnelCard(lead: LeadFunnelInput): LeadFunnelCard {
  return {
    id: lead.id,
    stageId: getLeadFunnelStageId(lead),
    company: lead.companyName,
    niche: lead.niche ?? "Nische offen",
    location: formatLeadLocation(lead),
    priorityLabel: getLeadPriorityLabel(lead.priority),
    contactStatusLabel: getLeadContactStatusLabel(lead.contactStatus),
    nextAction: getLeadNextAction(lead),
    websiteDomain: lead.websiteDomain,
    contactDetail: formatContactDetail(lead),
  };
}

export function groupLeadFunnelCards(
  leads: LeadFunnelInput[],
): LeadFunnelGroup[] {
  const cards = leads.map(toLeadFunnelCard);

  return leadFunnelStages.map((stage) => ({
    stage,
    cards: cards.filter((card) => card.stageId === stage.id),
  }));
}

function getLeadFunnelStageId(lead: LeadFunnelInput): LeadFunnelStageId {
  if (
    lead.blacklistStatus === "blocked" ||
    lead.priority === "defer" ||
    lead.priority === "blocked" ||
    lead.contactStatus === "do_not_contact"
  ) {
    return "deferred";
  }

  if (lead.outreach?.responseStatus === "follow_up_needed") {
    return "follow_up";
  }

  if (
    lead.outreach?.salesStatus === "follow_up_planned" &&
    lead.outreach.sendStatus === "sent"
  ) {
    return "follow_up";
  }

  if (
    lead.contactStatus === "contacted" ||
    lead.contactStatus === "replied" ||
    lead.outreach?.sendStatus === "sent"
  ) {
    return "contacted";
  }

  if (
    lead.contactStatus === "outreach_ready" ||
    lead.outreach?.approvalStatus === "draft"
  ) {
    return "review_open";
  }

  if (lead.contactStatus === "audit_ready") {
    return "audit_ready";
  }

  return "missing_contact";
}

function getLeadNextAction(lead: LeadFunnelInput): string {
  const stageId = getLeadFunnelStageId(lead);

  if (stageId === "deferred") {
    return "Zurückstellung prüfen";
  }

  if (stageId === "follow_up") {
    return "Follow-up manuell prüfen";
  }

  if (stageId === "contacted") {
    return "Antwortstatus nachtragen";
  }

  if (stageId === "review_open") {
    return "Freigabe im Review öffnen";
  }

  if (stageId === "audit_ready") {
    return "Audit prüfen";
  }

  return "Kontaktquelle recherchieren";
}

function formatLeadLocation(lead: LeadFunnelInput): string {
  if (lead.postalCode && lead.city) {
    return `${lead.postalCode} ${lead.city}`;
  }

  return lead.city ?? lead.postalCode ?? lead.address ?? "Ort offen";
}

function formatContactDetail(lead: LeadFunnelInput): string {
  const details = [lead.email, lead.phone].filter(Boolean);

  if (details.length > 0) {
    return details.join(" · ");
  }

  return "Keine Kontaktdaten";
}

export const pipelineStages: PipelineStage[] = [
  {
    title: "Kampagnen",
    description: "Aktive Suchlaeufe nach Kategorie, PLZ und Radius.",
    count: 3,
    meta: "1 Lauf heute geplant",
    icon: MapPinned,
  },
  {
    title: "Lead-Recherche",
    description: "Neue Places-Quellen, Kontaktluecken und Dubletten.",
    count: 18,
    meta: "5 Leads brauchen E-Mail-Quelle",
    icon: UsersRound,
  },
  {
    title: "Audit-Freigabe",
    description: "Interne Audits warten auf manuelle Prüfung.",
    count: 6,
    meta: "2 Seiten bereit zur Veröffentlichung",
    icon: ShieldCheck,
  },
  {
    title: "Outreach",
    description: "Freigegebene E-Mails und Telefon-Skripte.",
    count: 4,
    meta: "Keine automatische Kontaktaufnahme",
    icon: MailCheck,
  },
];

export const dashboardKpis: DashboardKpi[] = [
  {
    label: "Neue Leads",
    value: "18",
    detail: "aus 3 aktiven Kampagnen",
  },
  {
    label: "Audit-Entwürfe",
    value: "6",
    detail: "manuelle Freigabe offen",
  },
  {
    label: "Outreach bereit",
    value: "4",
    detail: "E-Mail und Telefon-Skript",
  },
  {
    label: "Antworten",
    value: "2",
    detail: "manuell nachzutragen",
  },
];

export const reviewQueue: ReviewQueueItem[] = [
  {
    title: "Audit-Freigabe pruefen",
    company: "Malerbetrieb Klein",
    detail: "Mobile Kontaktfuehrung und lokaler CTA fehlen.",
  },
  {
    title: "Kontaktstrategie bestaetigen",
    company: "Physio am Park",
    detail: "Telefon zuerst, E-Mail nach persoenlicher Einordnung.",
  },
  {
    title: "Follow-up vormerken",
    company: "Tischlerei Weber",
    detail: "Respektvolles Follow-up in 5 Tagen, kein Autoversand.",
  },
];

export const pipelineHealth = [
  {
    label: "Recherche",
    value: "hoch",
    icon: Gauge,
  },
  {
    label: "Freigabe",
    value: "manuell",
    icon: ShieldCheck,
  },
  {
    label: "Versand",
    value: "gesperrt bis Review",
    icon: MailCheck,
  },
];