openapi: 3.0.3
info:
  title: CRM Linear Demo API
  version: 1.0.0
  description: |
    Demo OpenAPI for a strict linear CRM scenario:
    1) get recent leads,
    2) qualify leads,
    3) prepare offers,
    4) send offers.
servers:
  - url: http://demo-api:8010
  - url: http://localhost:8010
paths:
  /crm/leads/recent:
    get:
      operationId: getRecentLeads
      tags: [crm-linear-workflow]
      summary: Get recent leads
      parameters:
        - in: query
          name: limit
          required: false
          schema:
            type: integer
            minimum: 1
            maximum: 50
            default: 20
        - in: query
          name: source
          required: false
          schema:
            type: string
      responses:
        "200":
          description: Leads list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/RecentLeadsResponse"

  /crm/leads/qualify:
    post:
      operationId: qualifyLeadsForOffer
      tags: [crm-linear-workflow]
      summary: Qualify leads
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/QualifyLeadsRequest"
      responses:
        "200":
          description: Qualified leads
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/QualifyLeadsResponse"

  /crm/offers/prepare:
    post:
      operationId: prepareOffersForLeads
      tags: [crm-linear-workflow]
      summary: Prepare offers from qualified leads
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/PrepareOffersRequest"
      responses:
        "200":
          description: Prepared offers
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PrepareOffersResponse"

  /crm/offers/send:
    post:
      operationId: sendPreparedOffers
      tags: [crm-linear-workflow]
      summary: Send prepared offers
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/SendOffersRequest"
      responses:
        "200":
          description: Send summary
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SendOffersResponse"

components:
  schemas:
    Lead:
      type: object
      required: [lead_id, email, source]
      properties:
        lead_id:
          type: string
        email:
          type: string
          format: email
        source:
          type: string

    QualifiedLead:
      type: object
      required: [lead_id, email, score, tier]
      properties:
        lead_id:
          type: string
        email:
          type: string
          format: email
        score:
          type: integer
        tier:
          type: string

    PreparedOffer:
      type: object
      required: [offer_id, lead_id, channel, message]
      properties:
        offer_id:
          type: string
        lead_id:
          type: string
        channel:
          type: string
        message:
          type: string

    RecentLeadsResponse:
      type: object
      required: [leads]
      properties:
        leads:
          type: array
          items:
            $ref: "#/components/schemas/Lead"

    QualifyLeadsRequest:
      type: object
      required: [leads]
      properties:
        leads:
          type: array
          items:
            $ref: "#/components/schemas/Lead"

    QualifyLeadsResponse:
      type: object
      required: [qualified_leads]
      properties:
        qualified_leads:
          type: array
          items:
            $ref: "#/components/schemas/QualifiedLead"

    PrepareOffersRequest:
      type: object
      required: [qualified_leads]
      properties:
        qualified_leads:
          type: array
          items:
            $ref: "#/components/schemas/QualifiedLead"

    PrepareOffersResponse:
      type: object
      required: [offers]
      properties:
        offers:
          type: array
          items:
            $ref: "#/components/schemas/PreparedOffer"

    SendOffersRequest:
      type: object
      required: [offers]
      properties:
        offers:
          type: array
          items:
            $ref: "#/components/schemas/PreparedOffer"

    FailedLeadDelivery:
      type: object
      required: [lead_id, reason]
      properties:
        lead_id:
          type: string
        reason:
          type: string

    SendOffersResponse:
      type: object
      required: [sent_count, failed_count, failed]
      properties:
        sent_count:
          type: integer
        failed_count:
          type: integer
        failed:
          type: array
          items:
            $ref: "#/components/schemas/FailedLeadDelivery"