openapi: "3.0.0"
info:
  version: 2.0.0
  title: Tsearch API
  license:
    name: MIT
servers:
  - url: https://api.tsearch.io
paths:
  /v1/search:
    get:
      operationId: search
      summary: Search for TypeScript functions and types
      parameters:
        - "$ref": "#/components/parameters/search"
      responses:
        "200":
          description: List of search results
          content:
            application/json:
              schema:
                type: array
                items:
                  "$ref": "#/components/schemas/SearchResult"

        "404":
          description: No results found

        "422":
          description: Request is not valid
          content:
            application/json:
              schema:
                "$ref": "#/components/schemas/SearchError"

components:
  parameters:
    search:
      name: q
      in: query
      required: true
      schema:
        type: string
        example: "A => A[]"
  schemas:
    FunctionOrType:
      type: string
      enum:
        - func
        - type

    Function:
      type: object
      required:
        - type
        - name
      properties:
        type:
          "$ref": "#/components/schemas/FunctionOrType"
        name:
          type: string
          example: toLowerCase

    Type:
      type: object
      required:
        - type
        - name
      properties:
        type:
          "$ref": "#/components/schemas/FunctionOrType"
        name:
          type: string
          example: Option

    SearchResult:
      discriminator:
        propertyName: type
        mapping:
          func: "#/components/schemas/Function"
          type: "#/components/schemas/Type"
      oneOf:
        - "$ref": "#/components/schemas/Function"
        - "$ref": "#/components/schemas/Type"

    SearchError:
      type: string
      enum:
        - inavlid-query
        - missing-query