{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api-evangelist.github.io/scorm/json-schema/scorm-cmi-data-schema.json",
  "title": "SCORM CMI Data Model",
  "description": "Schema representing the SCORM CMI (Computer Managed Instruction) data model used to track learner progress in a Learning Management System",
  "type": "object",
  "properties": {
    "cmi.core.student_id": {
      "type": "string",
      "description": "Unique identifier for the learner (SCORM 1.2)"
    },
    "cmi.core.student_name": {
      "type": "string",
      "description": "Learner's name (SCORM 1.2)"
    },
    "cmi.core.lesson_location": {
      "type": "string",
      "description": "Bookmark of the learner's current location in the SCO"
    },
    "cmi.core.lesson_status": {
      "type": "string",
      "enum": ["passed", "failed", "completed", "incomplete", "browsed", "not attempted"],
      "description": "SCORM 1.2 completion/success status combined field"
    },
    "cmi.core.score.raw": {
      "type": "number",
      "minimum": 0,
      "description": "Raw score earned by the learner"
    },
    "cmi.core.score.min": {
      "type": "number",
      "description": "Minimum possible score"
    },
    "cmi.core.score.max": {
      "type": "number",
      "description": "Maximum possible score"
    },
    "cmi.core.total_time": {
      "type": "string",
      "pattern": "^\\d+:\\d{2}:\\d{2}(\\.\\d+)?$",
      "description": "Total time spent in HH:MM:SS.SS format"
    },
    "cmi.core.session_time": {
      "type": "string",
      "description": "Time spent in the current session"
    },
    "cmi.core.exit": {
      "type": "string",
      "enum": ["time-out", "suspend", "logout", ""],
      "description": "How the learner exited the SCO"
    },
    "cmi.completion_status": {
      "type": "string",
      "enum": ["completed", "incomplete", "not attempted", "unknown"],
      "description": "SCORM 2004 completion status (separate from success status)"
    },
    "cmi.success_status": {
      "type": "string",
      "enum": ["passed", "failed", "unknown"],
      "description": "SCORM 2004 success/mastery status"
    },
    "cmi.score.scaled": {
      "type": "number",
      "minimum": -1,
      "maximum": 1,
      "description": "SCORM 2004 scaled score (-1 to 1)"
    },
    "cmi.score.raw": {
      "type": "number",
      "description": "SCORM 2004 raw score"
    },
    "cmi.score.min": {
      "type": "number",
      "description": "SCORM 2004 minimum score"
    },
    "cmi.score.max": {
      "type": "number",
      "description": "SCORM 2004 maximum score"
    },
    "cmi.location": {
      "type": "string",
      "description": "SCORM 2004 learner progress location bookmark"
    },
    "cmi.progress_measure": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Measure of learner's progress (0 to 1)"
    },
    "cmi.suspend_data": {
      "type": "string",
      "description": "Arbitrary data string for the SCO to save state"
    },
    "cmi.learner_id": {
      "type": "string",
      "description": "SCORM 2004 learner identifier"
    },
    "cmi.learner_name": {
      "type": "string",
      "description": "SCORM 2004 learner name"
    },
    "cmi.mode": {
      "type": "string",
      "enum": ["browse", "normal", "review"],
      "description": "Mode in which the SCO is being launched"
    },
    "cmi.interactions": {
      "type": "array",
      "description": "Collection of learner interaction records",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "description": "Unique identifier for the interaction"
          },
          "type": {
            "type": "string",
            "enum": ["true-false", "choice", "fill-in", "long-fill-in", "matching", "performance", "sequencing", "likert", "numeric", "other"],
            "description": "Type of interaction"
          },
          "learner_response": {
            "type": "string",
            "description": "Learner's response to the interaction"
          },
          "result": {
            "type": "string",
            "enum": ["correct", "incorrect", "unanticipated", "neutral"],
            "description": "Result of the interaction"
          },
          "weighting": {
            "type": "number",
            "description": "Weight given to this interaction"
          },
          "latency": {
            "type": "string",
            "description": "Time taken to complete the interaction"
          }
        }
      }
    }
  }
}