meta:
  name: Preview Collection
  type: http
  seq: 1
http:
  method: POST
  url: '{{base_url}}/api/collections/preview'
  auth: inherit
  body:
    type: json
    jsonBody: "{\n  \"library_id\": \"{{library_id}}\",\n  \"rules\": [\n\
      {\n      \"id\": \"rule1\",\n      \"field\": \"genre\",\n\
      \"operator\": \"equals\",\n      \"value\": \"Fiction\",\n\
      \"priority\": 1\n    }\n  ],\n  \"manual_book_ids\": [],\n  \"limit\": 20\n}"
runtime:
  scripts:
  - type: tests
    code: "test(\"status must be 200 with valid request\", function() {\n    expect(res.status).to.eql(200);\n\
      });\n\ntest(\"response contains items array\", function() {\n    expect(res.body.items).to.exist;\n\
         expect(res.body.items).to.be.an('array');\n  });"

docs: |-
  Preview collection with filter rules before saving.

  **Endpoint**: POST /api/collections/preview
  **Auth**: Required (Bearer token)

  ## Request Body

  | Field | Type | Required | Description |
  |-------|------|----------|-------------|
  | library_id | string | Yes | Library UUID |
  | rules | array | No | Filter rules to evaluate |
  | manual_book_ids | array | No | Manually selected book IDs |
  | limit | int | No | Max items to return (default: 20, max: 100) |

  ## Example Request

  ```json
  {
    "library_id": "cc23c3a7-f8fb-451a-a78d-2a16df1b725a",
    "rules": [
      {
        "id": "rule1",
        "field": "genre",
        "operator": "equals",
        "value": "Fiction",
        "priority": 1
      }
    ],
    "manual_book_ids": [],
    "limit": 20
  }
  ```

  ## Response

  Returns array of matching book items.

  This endpoint is used by the Custom Section Builder to show users what books will match their filter rules before they save the collection.