openapi: "3.0.3"
info:
  title: Trading Journal API
  version: "1.0.0"
  description: OpenAPI description generated from [`app.py`](app.py) and DTOs in [`trading_journal/dto.py`](trading_journal/dto.py).
servers:
  - url: "http://127.0.0.1:18881{basePath}"
    variables:
      basePath:
        default: "/api/v1"
        description: "API base path (matches settings.settings.api_base)"
components:
  securitySchemes:
    session_cookie:
      type: apiKey
      in: cookie
      name: session_token
  schemas:
    UserCreate:
      $ref: "#/components/schemas/UserCreate_impl"
    UserCreate_impl:
      type: object
      required:
        - username
        - password
      properties:
        username:
          type: string
        is_active:
          type: boolean
          default: true
        password:
          type: string
    UserLogin:
      type: object
      required:
        - username
        - password
      properties:
        username:
          type: string
        password:
          type: string
    UserRead:
      type: object
      required:
        - id
        - username
      properties:
        id:
          type: integer
        username:
          type: string
        is_active:
          type: boolean
    SessionsBase:
      type: object
      required:
        - user_id
      properties:
        user_id:
          type: integer
    SessionsCreate:
      allOf:
        - $ref: "#/components/schemas/SessionsBase"
        - type: object
          required:
            - expires_at
          properties:
            expires_at:
              type: string
              format: date-time
    ExchangesBase:
      type: object
      required:
        - name
      properties:
        name:
          type: string
        notes:
          type: string
          nullable: true
    ExchangesRead:
      allOf:
        - $ref: "#/components/schemas/ExchangesBase"
        - type: object
          required:
            - id
          properties:
            id:
              type: integer
    CycleBase:
      type: object
      properties:
        friendly_name:
          type: string
          nullable: true
        status:
          type: string
        end_date:
          type: string
          format: date
          nullable: true
        funding_source:
          type: string
          nullable: true
        capital_exposure_cents:
          type: integer
          nullable: true
        loan_amount_cents:
          type: integer
          nullable: true
        loan_interest_rate_tenth_bps:
          type: integer
          nullable: true
        trades:
          type: array
          items:
            $ref: "#/components/schemas/TradeRead"
          nullable: true
        exchange:
          $ref: "#/components/schemas/ExchangesRead"
          nullable: true
    CycleCreate:
      allOf:
        - $ref: "#/components/schemas/CycleBase"
        - type: object
          required:
            - user_id
            - symbol
            - exchange_id
            - underlying_currency
            - start_date
          properties:
            user_id:
              type: integer
            symbol:
              type: string
            exchange_id:
              type: integer
            underlying_currency:
              type: string
            start_date:
              type: string
              format: date
    CycleUpdate:
      allOf:
        - $ref: "#/components/schemas/CycleBase"
        - type: object
          required:
            - id
          properties:
            id:
              type: integer
    CycleRead:
      allOf:
        - $ref: "#/components/schemas/CycleCreate"
        - type: object
          required:
            - id
          properties:
            id:
              type: integer
    TradeBase:
      type: object
      required:
        - symbol
        - underlying_currency
        - trade_type
        - trade_strategy
        - trade_date
        - quantity
        - price_cents
        - commission_cents
      properties:
        friendly_name:
          type: string
          nullable: true
        symbol:
          type: string
        exchange_id:
          type: integer
        underlying_currency:
          type: string
        trade_type:
          type: string
        trade_strategy:
          type: string
        trade_date:
          type: string
          format: date
        quantity:
          type: integer
        price_cents:
          type: integer
        commission_cents:
          type: integer
        notes:
          type: string
          nullable: true
        cycle_id:
          type: integer
          nullable: true
    TradeCreate:
      allOf:
        - $ref: "#/components/schemas/TradeBase"
        - type: object
          properties:
            user_id:
              type: integer
              nullable: true
            trade_time_utc:
              type: string
              format: date-time
              nullable: true
            gross_cash_flow_cents:
              type: integer
              nullable: true
            net_cash_flow_cents:
              type: integer
              nullable: true
            quantity_multiplier:
              type: integer
              default: 1
            expiry_date:
              type: string
              format: date
              nullable: true
            strike_price_cents:
              type: integer
              nullable: true
            is_invalidated:
              type: boolean
              default: false
            invalidated_at:
              type: string
              format: date-time
              nullable: true
            replaced_by_trade_id:
              type: integer
              nullable: true
    TradeNoteUpdate:
      type: object
      required:
        - id
      properties:
        id:
          type: integer
        notes:
          type: string
          nullable: true
    TradeFriendlyNameUpdate:
      type: object
      required:
        - id
        - friendly_name
      properties:
        id:
          type: integer
        friendly_name:
          type: string
    TradeRead:
      allOf:
        - $ref: "#/components/schemas/TradeCreate"
        - type: object
          required:
            - id
          properties:
            id:
              type: integer
paths:
  /status:
    get:
      summary: "Get API status"
      security: [] # no auth required
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
  /register:
    post:
      summary: "Register user"
      security: [] # no auth required
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/UserCreate"
      responses:
        "201":
          description: Created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UserRead"
        "400":
          description: Bad Request (user exists)
        "500":
          description: Internal Server Error
  /login:
    post:
      summary: "Login"
      security: [] # no auth required
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/UserLogin"
      responses:
        "200":
          description: OK (sets session cookie)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SessionsBase"
          headers:
            Set-Cookie:
              description: session cookie
              schema:
                type: string
        "401":
          description: Unauthorized
        "500":
          description: Internal Server Error
  /exchanges:
    post:
      summary: "Create exchange"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/ExchangesBase"
      responses:
        "201":
          description: Created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ExchangesRead"
        "400":
          description: Bad Request
        "401":
          description: Unauthorized
    get:
      summary: "List user exchanges"
      security:
        - session_cookie: []
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/ExchangesRead"
        "401":
          description: Unauthorized
  /exchanges/{exchange_id}:
    patch:
      summary: "Update exchange"
      security:
        - session_cookie: []
      parameters:
        - name: exchange_id
          in: path
          required: true
          schema:
            type: integer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/ExchangesBase"
      responses:
        "200":
          description: Updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ExchangesRead"
        "404":
          description: Not found
        "400":
          description: Bad request
  /cycles:
    post:
      summary: "Create cycle (currently returns 405 in code)"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CycleBase"
      responses:
        "405":
          description: Method not allowed (app currently returns 405)
    patch:
      summary: "Update cycle"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CycleUpdate"
      responses:
        "200":
          description: Updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CycleRead"
        "400":
          description: Invalid data
        "404":
          description: Not found
  /cycles/{cycle_id}:
    get:
      summary: "Get cycle by id"
      security:
        - session_cookie: []
      parameters:
        - name: cycle_id
          in: path
          required: true
          schema:
            type: integer
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CycleRead"
        "404":
          description: Not found
  /cycles/user/{user_id}:
    get:
      summary: "Get cycles by user id"
      security:
        - session_cookie: []
      parameters:
        - name: user_id
          in: path
          required: true
          schema:
            type: integer
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/CycleRead"
  /trades:
    post:
      summary: "Create trade"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/TradeCreate"
      responses:
        "201":
          description: Created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TradeRead"
        "400":
          description: Invalid trade data
        "500":
          description: Internal Server Error
  /trades/{trade_id}:
    get:
      summary: "Get trade by id"
      security:
        - session_cookie: []
      parameters:
        - name: trade_id
          in: path
          required: true
          schema:
            type: integer
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TradeRead"
        "404":
          description: Not found
  /trades/friendlyname:
    patch:
      summary: "Update trade friendly name"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/TradeFriendlyNameUpdate"
      responses:
        "200":
          description: Updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TradeRead"
        "404":
          description: Not found
  /trades/notes:
    patch:
      summary: "Update trade notes"
      security:
        - session_cookie: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/TradeNoteUpdate"
      responses:
        "200":
          description: Updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TradeRead"
        "404":
          description: Not found