openapi: 3.0.1
info:
  title: Employee wage sum
  description: 'Wage sum - demo application with GO language'
  contact:
    email: lsmhun@github
  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
  version: 0.4.0
#servers:
#- url: https://wagesum.org/v1
tags:
- name: emp
  description: Everything about employee
- name: sal
  description: Everything about salary
- name: monitoring
  description: Monitoring interface
paths:
  /api/v1/emp:
    put:
      tags:
        - emp
      summary: Update an existing emp
      description: Update an existing emp by Id
      operationId: updateEmp
      requestBody:
        description: Update an existent emp in the store
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Emp'
            examples:
              exampleEmployee:
                $ref: '#/components/examples/exampleEmployee' 
        required: true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Emp'
              examples:
                exampleEmployee:
                  $ref: '#/components/examples/exampleEmployee'         
        '400':
          description: Invalid ID supplied
        '404':
          description: emp not found
        '405':
          description: Validation exception

    post:
      tags:
        - emp
      summary: Add a new emp to the store
      description: Add a new emp to the store
      operationId: addEmp
      requestBody:
        description: Create a new emp in the store
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Emp'
            examples:
              exampleEmployee:
                $ref: '#/components/examples/exampleEmployee' 
        required: true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Emp'
              examples:
                exampleEmployee:
                  $ref: '#/components/examples/exampleEmployee'           
        '405':
          description: Invalid input

  /api/v1/emp/findByType:
    get:
      tags:
        - emp
      summary: Finds emps by type
      description: Multiple status values can be provided with comma separated strings
      operationId: findEmpsByType
      parameters:
        - name: type
          in: query
          description: Status values that need to be considered for filter
          required: false
          explode: true
          schema:
            type: string
            default: MANAGER
            example: EMPLOYEE
            enum:
              - MANAGER
              - EMPLOYEE
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Emp'
                  example:
                    exampleEmployee:
                      $ref: '#/components/examples/exampleEmployee' 
        '400':
          description: Invalid status value

  /api/v1/emp/findByMgrId:
    get:
      tags:
        - emp
      summary: Finds emps by mgrId
      description: Multiple status values can be provided with comma separated strings
      operationId: findEmpsByMgrId
      parameters:
        - name: mgrId
          in: query
          description: Manager id
          required: true
          schema:
            type: integer
            format: int64
            example: 1
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Emp'
                  example:
                    exampleEmployee:
                      $ref: '#/components/examples/exampleEmployee' 
        '400':
          description: Invalid status value

  /api/v1/emp/{empId}:
    get:
      tags:
        - emp
      summary: Find emp by ID
      description: Returns a single emp
      operationId: getEmpById
      parameters:
        - name: empId
          in: path
          description: ID of emp to return
          required: true
          schema:
            type: integer
            format: int64
            example: 10
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Emp'
              examples:
                exampleEmployee:
                  $ref: '#/components/examples/exampleEmployee'         
        '400':
          description: Invalid ID supplied
        '404':
          description: emp not found

    delete:
      tags:
        - emp
      summary: Deletes an emp
      description: delete an emp
      operationId: deleteEmp
      parameters:
        - name: api_key
          in: header
          description: ''
          required: false
          schema:
            type: string
        - name: empId
          in: path
          description: emp id to delete
          required: true
          schema:
            type: integer
            format: int64
            example: 10
      responses:
        '400':
          description: Invalid emp value

  /api/v1/sal/{empId}:
    get:
      tags:
        - sal
      summary: Find sal by ID
      description: Returns a single emp
      operationId: getSalByEmpId
      parameters:
        - name: empId
          in: path
          description: ID of emp 
          required: true
          schema:
            type: integer
            format: int64
            example: 10
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                type: string 
                example: "100000"       
        '400':
          description: Invalid ID supplied
        '404':
          description: sal not found
    post:
      tags:
        - sal
      summary: Updates a sal in the store with form data
      description: ''
      operationId: updateSalWithForm
      parameters:
        - name: empId
          in: path
          description: ID of emp that needs to be updated
          required: true
          schema:
            type: integer
            format: int64
            example: "100000"
        - name: value
          in: query
          description: Name of sal that needs to be updated
          schema:
            type: string
            example: "100000"
      responses:
        '405':
          description: Invalid input
    delete:
      tags:
        - sal
      summary: Deletes a sal
      description: delete a sal
      operationId: deleteSal
      parameters:
        - name: empId
          in: path
          description: emp id to delete salary
          required: true
          schema:
            type: integer
            format: int64
            example: "100000"
      responses:
        '400':
          description: Invalid sal value
  /api/v1/sal/wagesum/{empId}:
    get:
      tags:
        - sal
      summary: Find sum sal by manager ID
      description: Returns a summary of salaries under mgrId
      operationId: getWageSumByMgrId
      parameters:
        - name: empId
          in: path
          description: ID of manager 
          required: true
          schema:
            type: integer
            format: int64
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                type: string
                example: "100000"    
        '400':
          description: Invalid ID supplied
        '404':
          description: sal not found
  
  /api/health:
    get:
      tags:
        - monitoring
      summary: Health endpoint
      description: Returns a health status
      operationId: health
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true

components:
  schemas:
    Emp:
      type: object
      properties:
        id:
          type: integer
          format: int64
        empId:
          type: integer
          format: int64
        userName: 
          type: string
        firstName:
          type: string
        lastName:
          type: string
        mgrId:
          type: integer
          format: int64
        type:
          type: string
          description: Employee Type
          enum:
          - MANAGER
          - EMPLOYEE
        status:
          type: string
          description: Employee Status
          enum:
          - ACTIVE
          - INACTIVE
          - DELETED
      xml:
        name: Emp
  examples:
    exampleEmployee:
      summary: example employee - not manager
      value:
        id: 100
        empId: 10
        userName: "johndoe"
        firstName: "John"
        lastName: "Doe"
        mgrId: 1
        type: "EMPLOYEE"
        status: "ACTIVE"