const fs = require('fs');

const API_KEY = "DUMUqJrNeyuaPDSZSsMf91qjgwc5K3N7";

const collection = {
  info: {
    name: "AI Pharmacy Core API",
    description: "Complete Postman testing collection for AI Pharmacy Core API with pre-configured headers, authentication, and sample payloads.",
    schema: "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  variable: [
    {
      key: "baseUrl",
      value: "http://localhost:8080",
      type: "string"
    },
    {
      key: "token",
      value: "",
      type: "string"
    },
    {
      key: "apiKey",
      value: API_KEY,
      type: "string"
    }
  ],
  auth: {
    type: "bearer",
    bearer: [
      {
        key: "token",
        value: "{{token}}",
        type: "string"
      }
    ]
  },
  item: []
};

const sampleBodies = {
  "/v1/auth/register": {
    username: "pharmacist_jayam",
    password: "Pharmacy@2026",
    hospital_id: "hosp_001",
    pharmacy_name: "Jayam Medicos & Pharmacy",
    dl_number: "DL-TN-123456",
    gstin: "33AAAAA0000A1Z5",
    pharmacist_reg_number: "REG-TN-987654",
    address: "123 Main Road, Anna Nagar, Chennai, Tamil Nadu - 600040"
  },
  "/v1/auth/login": {
    username: "pharmacist_jayam",
    password: "Pharmacy@2026"
  },
  "/v1/auth/token": {
    grant_type: "client_credentials",
    client_id: "pharmacy-v1-staging",
    client_secret: "my_secret_key"
  },
  "/v1/drugs": {
    id: "drg_101",
    generic_name: "Amoxicillin and Potassium Clavulanate",
    atc_code: "J01CR02",
    schedule: "H1",
    is_nti: false,
    pregnancy_category: "B"
  },
  "/v1/inventory/grn": {
    supplier_id: "sup_001",
    product_id: "prd_4410",
    batch_no: "BATCH-2026-01",
    expiry: "2027-12-31",
    qty_on_hand: 500,
    purchase_price: 45.00
  },
  "/v1/orders": {
    subject_ref: "patient_001",
    prescription_id: "rx_001",
    payment_method: "cash",
    items: [
      {
        batch_no: "B4421",
        qty: 10,
        unit_price: 7.85
      }
    ]
  },
  "/v1/integration/hospital/patient-sync": {
    hospital_patient_id: "PAT-2026-8891",
    full_name: "Ramesh Kumar",
    contact_number: "9876543210",
    email: "ramesh@example.com",
    allergies: "Penicillin"
  }
};

function createFolder(name, endpoints, prefix) {
  const items = endpoints.map(ep => {
    const method = ep.method.toUpperCase();
    const fullPath = (prefix + ep.path).replace(/\/$/, "");
    const urlParts = fullPath.split('/').filter(p => p !== '');

    const headers = [
      {
        key: "x-api-key",
        value: "{{apiKey}}",
        type: "text"
      }
    ];

    if (['POST', 'PUT', 'PATCH'].includes(method)) {
      headers.push({
        key: "Content-Type",
        value: "application/json",
        type: "text"
      });
    }

    const request = {
      method: method,
      header: headers,
      url: {
        raw: `{{baseUrl}}${fullPath}`,
        host: ["{{baseUrl}}"],
        path: urlParts
      }
    };

    if (['POST', 'PUT', 'PATCH'].includes(method)) {
      const sample = sampleBodies[fullPath] || sampleBodies[ep.path] || {};
      request.body = {
        mode: "raw",
        raw: JSON.stringify(sample, null, 2),
        options: {
          raw: {
            language: "json"
          }
        }
      };
    }

    return {
      name: ep.name || `${method} ${ep.path}`,
      request: request
    };
  });

  return {
    name: name,
    item: items
  };
}

const modules = [
  {
    name: "1. Auth & Identity",
    prefix: "/v1/auth",
    endpoints: [
      { method: "POST", path: "/register", name: "Register Pharmacist" },
      { method: "POST", path: "/login", name: "Pharmacist Login" },
      { method: "POST", path: "/token", name: "Hospital M2M Auth Token" },
      { method: "GET", path: "/me", name: "Get Current Profile" },
      { method: "PUT", path: "/me", name: "Update Profile" },
      { method: "POST", path: "/logout", name: "Logout" }
    ]
  },
  {
    name: "2. Catalogue",
    prefix: "/v1",
    endpoints: [
      { method: "GET", path: "/drugs", name: "Get All Drugs" },
      { method: "POST", path: "/drugs", name: "Create Drug" },
      { method: "GET", path: "/drugs/search", name: "Search Drugs" },
      { method: "GET", path: "/products/prd_4410/batches", name: "Get Product Batches" }
    ]
  },
  {
    name: "3. Inventory",
    prefix: "/v1/inventory",
    endpoints: [
      { method: "POST", path: "/grn", name: "Create Goods Received Note (GRN)" },
      { method: "GET", path: "/expiring", name: "Get Expiring Stock" },
      { method: "GET", path: "/low-stock", name: "Get Low Stock" },
      { method: "POST", path: "/adjustments", name: "Stock Adjustment" },
      { method: "GET", path: "/recall/B4421", name: "Recall Batch" }
    ]
  },
  {
    name: "4. Dispensing & Orders",
    prefix: "/v1/orders",
    endpoints: [
      { method: "POST", path: "/", name: "Create Dispensing Order" },
      { method: "GET", path: "/history", name: "Get Order History" },
      { method: "GET", path: "/h1-register", name: "Get H1 Register" },
      { method: "GET", path: "/ord_001/invoice/pdf", name: "Get Invoice PDF" }
    ]
  },
  {
    name: "5. Integration (Hospital & Telegaruda)",
    prefix: "/v1/integration",
    endpoints: [
      { method: "POST", path: "/hospital/patient-sync", name: "Sync Hospital Patient" },
      { method: "GET", path: "/hospital/patients", name: "Get Hospital Patients" },
      { method: "GET", path: "/hospital/prescriptions", name: "Get Hospital Prescriptions" },
      { method: "POST", path: "/telegaruda/prescription", name: "Receive Telegaruda Rx" }
    ]
  },
  {
    name: "6. Audit & Analytics",
    prefix: "/v1/audit",
    endpoints: [
      { method: "GET", path: "/dashboard-metrics", name: "Get Dashboard Metrics" },
      { method: "GET", path: "/ai-calls", name: "Get AI Calls Log" },
      { method: "GET", path: "/overrides", name: "Get Safety Overrides Log" }
    ]
  }
];

modules.forEach(mod => {
  collection.item.push(createFolder(mod.name, mod.endpoints, mod.prefix));
});

fs.writeFileSync('postman_collection.json', JSON.stringify(collection, null, 2));
console.log('Collection successfully generated and saved to postman_collection.json');