const fs = require('fs');

const collection = {
  info: {
    name: "Pharmacy Core API",
    description: "API collection for Pharmacy Core API",
    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"
    }
  ],
  auth: {
    type: "bearer",
    bearer: [
      {
        key: "token",
        value: "{{token}}",
        type: "string"
      }
    ]
  },
  item: []
};

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 request = {
      method: method,
      header: [],
      url: {
        raw: `{{baseUrl}}${fullPath}`,
        host: ["{{baseUrl}}"],
        path: urlParts
      }
    };
    
    if (['POST', 'PUT', 'PATCH'].includes(method)) {
      request.body = {
        mode: "raw",
        raw: "{}",
        options: {
          raw: {
            language: "json"
          }
        }
      };
    }

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

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

const modules = [
  {
    name: "Auth / Identity",
    prefix: "/v1/auth",
    endpoints: [
      { method: "GET", path: "/me", name: "Get Current User" },
      { method: "PUT", path: "/me", name: "Update Current User" },
      { method: "POST", path: "/register", name: "Register" },
      { method: "POST", path: "/login", name: "Login" },
      { method: "POST", path: "/logout", name: "Logout" },
      { method: "POST", path: "/token", name: "Refresh Token" }
    ]
  },
  {
    name: "Catalogue",
    prefix: "/v1",
    endpoints: [
      { method: "GET", path: "/drugs", name: "Get Drugs" },
      { method: "POST", path: "/drugs", name: "Create Drug" },
      { method: "GET", path: "/drugs/search", name: "Search Drugs" },
      { method: "GET", path: "/products/:product_id/batches", name: "Get Product Batches" }
    ]
  },
  {
    name: "Inventory",
    prefix: "/v1/inventory",
    endpoints: [
      { method: "POST", path: "/grn", name: "Create 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/:batch_no", name: "Recall Batch" }
    ]
  },
  {
    name: "Dispensing (Orders)",
    prefix: "/v1/orders",
    endpoints: [
      { method: "GET", path: "/history", name: "Get Order History" },
      { method: "GET", path: "/h1-register", name: "Get H1 Register" },
      { method: "GET", path: "/:id/invoice/pdf", name: "Get Invoice PDF" },
      { method: "POST", path: "/", name: "Create Order" },
      { method: "PATCH", path: "/:id/items", name: "Update Order Items" },
      { method: "POST", path: "/:id/precheck", name: "Precheck Order" },
      { method: "POST", path: "/:id/dispense", name: "Dispense Order" }
    ]
  },
  {
    name: "Audit",
    prefix: "/v1/audit",
    endpoints: [
      { method: "GET", path: "/ai-calls", name: "Get AI Calls" },
      { method: "GET", path: "/overrides", name: "Get Overrides" },
      { method: "GET", path: "/h1-register", name: "Get H1 Register Audit" },
      { method: "GET", path: "/sales-register", name: "Get Sales Register" },
      { method: "GET", path: "/dashboard-metrics", name: "Get Dashboard Metrics" }
    ]
  },
  {
    name: "Prescription",
    prefix: "/v1/rx",
    endpoints: [
      { method: "POST", path: "/", name: "Upload Prescription" },
      { method: "GET", path: "/", name: "Get Prescriptions" },
      { method: "GET", path: "/:id", name: "Get Prescription by ID" },
      { method: "POST", path: "/:id/confirm", name: "Confirm Prescription" }
    ]
  },
  {
    name: "AI",
    prefix: "/v1/ai",
    endpoints: [
      { method: "POST", path: "/voice", name: "Voice AI" }
    ]
  },
  {
    name: "Integration",
    prefix: "/v1/integration",
    endpoints: [
      { method: "POST", path: "/hospital/patient-sync", name: "Sync Hospital Patient" },
      { method: "GET", path: "/hospital/patients", name: "Get Hospital Patients" },
      { method: "POST", path: "/telegaruda/prescription", name: "Receive Telegaruda Rx" },
      { method: "GET", path: "/telegaruda/patient/:patientId", name: "Fetch Telegaruda Patient" },
      { method: "GET", path: "/hospital/prescriptions", name: "Get Hospital Prescriptions" }
    ]
  },
  {
    name: "Upload",
    prefix: "/v1/upload",
    endpoints: [
      { method: "POST", path: "/", name: "Upload File" },
      { method: "GET", path: "/presigned", name: "Get Presigned URL" }
    ]
  }
];

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

// Write to file
fs.writeFileSync('postman_collection.json', JSON.stringify(collection, null, 2));
console.log('Collection generated at postman_collection.json');