openapi: 3.1.0

info:
  title: Pamietnik API
  version: 0.1.0
  description: Life & travel journal — REST API for trackpoint ingest and data query.

servers:
  - url: http://192.168.1.4:9050
    description: NAS (local)
  - url: http://localhost:9050
    description: Local dev

security:
  - cookieAuth: []

paths:

  /healthz:
    get:
      summary: Health check
      security: []
      responses:
        '200':
          description: Server is up
          content:
            text/plain:
              example: ok

  /readyz:
    get:
      summary: Readiness check
      security: []
      responses:
        '200':
          description: Server is ready

  # --- Ingest ---

  /v1/trackpoints:
    post:
      summary: Ingest single trackpoint
      tags: [Ingest]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TrackpointInput'
      responses:
        '200':
          description: Accepted (or duplicate — idempotent)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /v1/trackpoints:batch:
    post:
      summary: Ingest batch of trackpoints (max 500)
      tags: [Ingest]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/TrackpointInput'
              maxItems: 500
      responses:
        '200':
          description: Processed — check accepted_ids and rejected for details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BatchResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'

  # --- Query ---

  /v1/days:
    get:
      summary: List days with trackpoint activity
      tags: [Query]
      parameters:
        - name: from
          in: query
          required: true
          schema:
            type: string
            format: date
            example: '2026-01-01'
        - name: to
          in: query
          required: true
          schema:
            type: string
            format: date
            example: '2026-12-31'
      responses:
        '200':
          description: List of days
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/DaySummary'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /v1/trackpoints:
    get:
      summary: List trackpoints for a date
      tags: [Query]
      parameters:
        - name: date
          in: query
          required: true
          schema:
            type: string
            format: date
            example: '2026-04-07'
      responses:
        '200':
          description: List of trackpoints
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Trackpoint'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /v1/stops:
    get:
      summary: List stops for a date
      tags: [Query]
      parameters:
        - name: date
          in: query
          required: true
          schema:
            type: string
            format: date
            example: '2026-04-07'
      responses:
        '200':
          description: List of stops
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Stop'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /v1/suggestions:
    get:
      summary: List suggestions for a date
      tags: [Query]
      parameters:
        - name: date
          in: query
          required: true
          schema:
            type: string
            format: date
            example: '2026-04-07'
      responses:
        '200':
          description: List of suggestions
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Suggestion'
        '401':
          $ref: '#/components/responses/Unauthorized'

  # --- Journal ---

  /entries:
    post:
      summary: Create journal entry with optional images
      tags: [Journal]
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required: [date, time]
              properties:
                date:
                  type: string
                  format: date
                  example: '2026-04-07'
                time:
                  type: string
                  example: '14:30'
                title:
                  type: string
                description:
                  type: string
                lat:
                  type: number
                  format: double
                lon:
                  type: number
                  format: double
                images:
                  type: array
                  items:
                    type: string
                    format: binary
                  description: JPEG, PNG, WebP or HEIC — max 10 MB each, 32 MB total
      responses:
        '201':
          description: Entry created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JournalEntry'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'

components:

  securitySchemes:
    cookieAuth:
      type: apiKey
      in: cookie
      name: session

  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Not authenticated
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'

  schemas:

    TrackpointInput:
      type: object
      required: [event_id, device_id, trip_id, timestamp, lat, lon]
      properties:
        event_id:
          type: string
          format: uuid
          description: Client-generated UUID — used for idempotency
        device_id:
          type: string
        trip_id:
          type: string
        timestamp:
          type: string
          format: date-time
          example: '2026-04-07T12:00:00Z'
        lat:
          type: number
          format: double
          minimum: -90
          maximum: 90
        lon:
          type: number
          format: double
          minimum: -180
          maximum: 180
        source:
          type: string
          enum: [gps, manual]
          default: gps
        note:
          type: string
        accuracy_m:
          type: number
          format: double
        speed_mps:
          type: number
          format: double
        bearing_deg:
          type: number
          format: double
        altitude_m:
          type: number
          format: double

    Trackpoint:
      allOf:
        - $ref: '#/components/schemas/TrackpointInput'

    BatchResponse:
      type: object
      properties:
        server_time:
          type: string
          format: date-time
        accepted_ids:
          type: array
          items:
            type: string
        rejected:
          type: array
          items:
            $ref: '#/components/schemas/RejectedItem'

    RejectedItem:
      type: object
      properties:
        event_id:
          type: string
        code:
          type: string
          enum: [VALIDATION_ERROR, DB_ERROR, INVALID_TIMESTAMP]
        message:
          type: string

    DaySummary:
      type: object
      properties:
        date:
          type: string
          format: date
        count:
          type: integer
        first_ts:
          type: string
          format: date-time
        last_ts:
          type: string
          format: date-time

    Stop:
      type: object
      properties:
        stop_id:
          type: string
        device_id:
          type: string
        trip_id:
          type: string
        start_ts:
          type: string
          format: date-time
        end_ts:
          type: string
          format: date-time
        center_lat:
          type: number
          format: double
        center_lon:
          type: number
          format: double
        duration_s:
          type: integer
        place_label:
          type: string
        place_details:
          type: object

    Suggestion:
      type: object
      properties:
        suggestion_id:
          type: string
        stop_id:
          type: string
        type:
          type: string
          enum: [highlight, name_place, add_note]
        title:
          type: string
        text:
          type: string
        created_at:
          type: string
          format: date-time
        dismissed_at:
          type: string
          format: date-time

    JournalEntry:
      type: object
      properties:
        entry_id:
          type: string
        user_id:
          type: string
        entry_date:
          type: string
          format: date
        entry_time:
          type: string
          example: '14:30'
        title:
          type: string
        description:
          type: string
        lat:
          type: number
          format: double
        lon:
          type: number
          format: double
        created_at:
          type: string
          format: date-time
        images:
          type: array
          items:
            $ref: '#/components/schemas/JournalImage'

    JournalImage:
      type: object
      properties:
        image_id:
          type: string
        entry_id:
          type: string
        filename:
          type: string
        original_name:
          type: string
        mime_type:
          type: string
        size_bytes:
          type: integer
          format: int64
        created_at:
          type: string
          format: date-time

    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string