{
  "paths": {
    "/calendars/{id}/booking-link": {
      "post": {
        "tags": ["Booking"],
        "summary": "Create a booking link",
        "description": "Creates a public booking link for a calendar with configurable duration, buffer time, working hours, and timezone. Only the calendar owner can create booking links. Requires `booking:write` scope.",
        "operationId": "createBookingLink",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": { "type": "string", "format": "uuid" },
            "description": "Calendar ID"
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["duration_minutes", "timezone", "working_hours"],
                "properties": {
                  "duration_minutes": { "type": "integer", "minimum": 5, "example": 30 },
                  "buffer_minutes": { "type": "integer", "minimum": 0, "default": 0, "example": 0 },
                  "timezone": { "type": "string", "example": "America/Asuncion" },
                  "working_hours": {
                    "type": "object",
                    "description": "Working hour windows per day of week",
                    "properties": {
                      "mon": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "tue": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "wed": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "thu": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "fri": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "sat": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } },
                      "sun": { "type": "array", "items": { "$ref": "#/components/schemas/WorkingHourSlot" } }
                    },
                    "example": {
                      "mon": [{ "start": "09:00", "end": "17:00" }],
                      "tue": [{ "start": "09:00", "end": "17:00" }],
                      "wed": [{ "start": "09:00", "end": "17:00" }],
                      "thu": [{ "start": "09:00", "end": "17:00" }],
                      "fri": [{ "start": "09:00", "end": "17:00" }],
                      "sat": [],
                      "sun": []
                    }
                  },
                  "active": { "type": "boolean", "default": true }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Booking link created",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["token", "settings"],
                  "properties": {
                    "token": { "type": "string" },
                    "public_url": { "type": "string", "format": "uri", "example": "https://app.example.com/booking/abc123" },
                    "settings": {
                      "type": "object",
                      "properties": {
                        "duration_minutes": { "type": "integer" },
                        "buffer_minutes": { "type": "integer" },
                        "timezone": { "type": "string" },
                        "working_hours": { "type": "object" },
                        "active": { "type": "boolean" }
                      }
                    }
                  }
                }
              }
            }
          },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "401": { "description": "Not authenticated", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "403": { "description": "Only owner can create booking links", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Calendar not found", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    },
    "/booking/{token}/availability": {
      "get": {
        "tags": ["Booking"],
        "summary": "Get public booking availability",
        "description": "Returns available time slots for a public booking link within a date range. No authentication required. Computes available slots by subtracting busy blocks and applying buffer time to the working hour windows.",
        "operationId": "getBookingAvailability",
        "security": [],
        "parameters": [
          {
            "name": "token",
            "in": "path",
            "required": true,
            "schema": { "type": "string" },
            "description": "Booking link token"
          },
          { "name": "start", "in": "query", "required": true, "schema": { "type": "string", "format": "date-time" }, "description": "Range start (RFC3339)" },
          { "name": "end", "in": "query", "required": true, "schema": { "type": "string", "format": "date-time" }, "description": "Range end (RFC3339)" }
        ],
        "responses": {
          "200": {
            "description": "Available booking slots",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["token", "timezone", "duration_minutes", "slots"],
                  "properties": {
                    "token": { "type": "string" },
                    "timezone": { "type": "string" },
                    "duration_minutes": { "type": "integer" },
                    "slots": {
                      "type": "array",
                      "items": { "$ref": "#/components/schemas/TimeSlot" }
                    }
                  }
                }
              }
            }
          },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Booking link not found or inactive", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    },
    "/booking/{token}/reserve": {
      "post": {
        "tags": ["Booking"],
        "summary": "Reserve a booking slot",
        "description": "Reserves a time slot on a public booking link. Creates an event on the calendar. Uses a database transaction with row locking to prevent double-booking. No authentication required.",
        "operationId": "reserveBookingSlot",
        "security": [],
        "parameters": [
          {
            "name": "token",
            "in": "path",
            "required": true,
            "schema": { "type": "string" },
            "description": "Booking link token"
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["name", "email", "slot_start", "slot_end"],
                "properties": {
                  "name": { "type": "string", "example": "Visitor Name" },
                  "email": { "type": "string", "format": "email", "example": "visitor@example.com" },
                  "slot_start": { "type": "string", "format": "date-time" },
                  "slot_end": { "type": "string", "format": "date-time" },
                  "notes": { "type": "string", "example": "Looking forward to the meeting" }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Booking confirmed",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": ["ok", "event"],
                  "properties": {
                    "ok": { "type": "boolean", "example": true },
                    "event": { "$ref": "#/components/schemas/Event" }
                  }
                }
              }
            }
          },
          "400": { "description": "Validation error", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "404": { "description": "Booking link not found or inactive", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } },
          "409": { "description": "Slot no longer available (conflict)", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/Error" } } } }
        }
      }
    }
  }
}