import type { CartItem } from "@/lib/stores/cartStore";
import type { EmergencyContact } from "@/lib/stores/emergencyContactStore";
import type { FamilyMember } from "@/lib/stores/familyStore";
import type { Order } from "@/lib/stores/ordersStore";
import type {
  DoseLog,
  Prescription,
  Reminder,
} from "@/lib/stores/prescriptionStore";
import type { RefillSubscription } from "@/lib/stores/subscriptionStore";
import { products } from "@/lib/data/products";

function daysAgo(n: number) {
  const d = new Date();
  d.setDate(d.getDate() - n);
  return d.toISOString();
}

function daysFromNow(n: number) {
  const d = new Date();
  d.setDate(d.getDate() + n);
  return d.toISOString();
}

function hoursFromNow(n: number) {
  const d = new Date();
  d.setHours(d.getHours() + n);
  return d.toISOString();
}

const panadol = products.find((p) => p.id === "p1")!;
const metformin = products.find((p) => p.id === "p7")!;
const vitaminC = products.find((p) => p.id === "p14")!;
const azitro = products.find((p) => p.id === "p9")!;
const gofen = products.find((p) => p.id === "p16")!;

function asCartItem(product: (typeof products)[0], quantity: number): CartItem {
  return {
    productId: product.id,
    slug: product.slug,
    name: product.name,
    price: product.price,
    image: product.image,
    unit: product.unit,
    quantity,
    requiresPrescription: product.requiresPrescription,
  };
}

export const seedPrescriptions: Prescription[] = [
  {
    id: "rx_demo_metformin",
    patientName: "Kirukib Abebe",
    memberId: null,
    medicineName: "Metformin 500mg",
    medicines: [
      { name: "Metformin 500mg", status: "ready" },
      { name: "Vitamin B12", status: "ready" },
    ],
    imageUris: [
      "https://images.unsplash.com/photo-1584308666744-24d5c474f2ae?w=800&q=80",
    ],
    daysSupply: 30,
    lastFilledAt: daysAgo(25),
    status: "filled",
    notes: "Take with meals. Monitor fasting glucose weekly.",
    createdAt: daysAgo(26),
  },
  {
    id: "rx_demo_azitro",
    patientName: "Kirukib Abebe",
    memberId: null,
    medicineName: "Azithromycin 500mg",
    medicines: [
      { name: "Azithromycin 500mg", status: "ready" },
      { name: "Cough syrup", status: "review" },
    ],
    imageUris: [
      "https://images.unsplash.com/photo-1587854692152-cbe660dbde88?w=800&q=80",
    ],
    daysSupply: 3,
    lastFilledAt: daysAgo(1),
    status: "approved",
    notes: "3-day course. Finish even if symptoms improve.",
    createdAt: daysAgo(2),
  },
  {
    id: "rx_demo_pending",
    patientName: "Sara Abebe",
    memberId: "fam_demo_sara",
    medicineName: "Amoxicillin 500mg",
    medicines: [
      { name: "Amoxicillin 500mg", status: "review" },
      { name: "ORS sachets", status: "ready" },
    ],
    imageUris: [
      "https://images.unsplash.com/photo-1471864190281-a93a3070b6de?w=800&q=80",
    ],
    daysSupply: 7,
    lastFilledAt: null,
    status: "under_review",
    notes: "Pharmacist verifying dosage for pediatric use.",
    createdAt: daysAgo(0),
  },
];

export const seedReminders: Reminder[] = [
  {
    id: "rem_demo_metformin",
    prescriptionId: "rx_demo_metformin",
    medicineName: "Metformin 500mg",
    times: ["08:00", "20:00"],
    daysOfWeek: [0, 1, 2, 3, 4, 5, 6],
    graceMinutes: 30,
    escalateOnMiss: true,
    memberId: null,
    enabled: true,
  },
  {
    id: "rem_demo_azitro",
    prescriptionId: "rx_demo_azitro",
    medicineName: "Azithromycin 500mg",
    times: ["09:00"],
    daysOfWeek: [1, 2, 3],
    graceMinutes: 20,
    escalateOnMiss: true,
    memberId: null,
    enabled: true,
  },
];

export const seedDoseLogs: DoseLog[] = [
  {
    id: "dose_demo_1",
    reminderId: "rem_demo_metformin",
    scheduledAt: hoursFromNow(-2),
    status: "taken",
    confirmedAt: hoursFromNow(-1.8),
  },
  {
    id: "dose_demo_2",
    reminderId: "rem_demo_metformin",
    scheduledAt: hoursFromNow(4),
    status: "pending",
  },
  {
    id: "dose_demo_3",
    reminderId: "rem_demo_azitro",
    scheduledAt: hoursFromNow(1),
    status: "pending",
  },
];

export const seedOrders: Order[] = [
  {
    id: "ord_demo_active",
    createdAt: daysAgo(0),
    items: [asCartItem(panadol, 2), asCartItem(vitaminC, 1)],
    subtotal: panadol.price * 2 + vitaminC.price,
    deliveryFee: 80,
    discount: 0,
    total: panadol.price * 2 + vitaminC.price + 80,
    fulfillment: "delivery",
    branchId: "bole",
    areaLabel: "Bole, Addis Ababa",
    addressLine: "Rwanda St, Building 12, Apt 4B · Near Edna Mall",
    paymentMethod: "chapa",
    status: "dispatched",
    riderAssigned: true,
    customerName: "Kirukib Abebe",
    customerPhone: "+251911000000",
    notes: "Leave with security if I'm out",
  },
  {
    id: "ord_demo_pickup",
    createdAt: daysAgo(3),
    items: [asCartItem(metformin, 1)],
    subtotal: metformin.price,
    deliveryFee: 0,
    discount: 0,
    total: metformin.price,
    fulfillment: "pickup",
    branchId: "cmc",
    areaLabel: "CMC Michael",
    paymentMethod: "pay_at_branch",
    status: "confirmed",
    riderAssigned: false,
    customerName: "Kirukib Abebe",
    customerPhone: "+251911000000",
    notes: "Prescription refill — patient ID on file",
    pickupCode: "GSH-CMC1",
    anyBranch: false,
  },
  {
    id: "ord_demo_guest_code",
    createdAt: daysAgo(1),
    items: [asCartItem(panadol, 1)],
    subtotal: panadol.price,
    deliveryFee: 0,
    discount: 0,
    total: panadol.price,
    fulfillment: "pickup",
    branchId: null,
    areaLabel: "Any Gishen branch",
    paymentMethod: "pay_at_branch",
    status: "requested",
    riderAssigned: false,
    customerName: "Guest Shopper",
    customerPhone: "+251900111222",
    notes: "Guest pharmacist order code — create in admin",
    pickupCode: "GSH-GUEST",
    anyBranch: true,
    isGuestOrder: true,
  },
  {
    id: "ord_demo_done",
    createdAt: daysAgo(12),
    items: [asCartItem(gofen, 1), asCartItem(azitro, 1)],
    subtotal: gofen.price + azitro.price,
    deliveryFee: 80,
    discount: 32,
    voucherCode: "GISHEN10",
    total: gofen.price + azitro.price + 80 - 32,
    fulfillment: "delivery",
    branchId: "mexico",
    areaLabel: "Mexico Square",
    addressLine: "Gabon St, Yaltopia Tower, Floor 6",
    paymentMethod: "telebirr",
    status: "delivered",
    riderAssigned: true,
    customerName: "Kirukib Abebe",
    customerPhone: "+251911000000",
  },
];

export const seedFamily: FamilyMember[] = [
  {
    id: "fam_demo_sara",
    name: "Sara Abebe",
    relationship: "spouse",
    phone: "+251911223344",
    status: "accepted",
  },
  {
    id: "fam_demo_yonas",
    name: "Yonas Abebe",
    relationship: "child",
    phone: "+251922334455",
    status: "accepted",
  },
  {
    id: "fam_demo_pending",
    name: "Hanna Bekele",
    relationship: "parent",
    phone: "+251933445566",
    status: "pending",
  },
];

export const seedSubscriptions: RefillSubscription[] = [
  {
    id: "sub_demo_metformin",
    productId: "p7",
    productName: "Metformin",
    quantity: 1,
    frequencyDays: 30,
    fulfillment: "delivery",
    paymentMethod: "chapa",
    memberId: null,
    status: "active",
    nextFulfillmentAt: daysFromNow(5),
  },
  {
    id: "sub_demo_vitc",
    productId: "p14",
    productName: "Nat C (Vitamin C)",
    quantity: 2,
    frequencyDays: 60,
    fulfillment: "pickup",
    paymentMethod: "telebirr",
    memberId: null,
    status: "paused",
    nextFulfillmentAt: daysFromNow(20),
  },
];

export const seedEmergencyContacts: EmergencyContact[] = [
  {
    id: "ec_demo_1",
    name: "Sara Abebe",
    phone: "+251911223344",
    relationship: "Spouse",
  },
  {
    id: "ec_demo_2",
    name: "Dr. Michael Tadesse",
    phone: "+251911000111",
    relationship: "Family doctor",
  },
];

export const seedFavoriteIds = ["p1", "p7", "p14", "p16", "p39"];

export const DEMO_USER = {
  id: "u_demo_gishen",
  name: "Kirukib Abebe",
  phone: "+251911000000",
  email: "kirukib@example.com",
  points: 420,
  tier: "silver" as const,
  isGuest: false,
  biometricEnabled: false,
  avatarUri: null as string | null,
  authProvider: "phone" as const,
};