{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://kokunoyumeto.github.io/program-matematika-indonesia/schema/course-capsule-v1/course-capsule-v1.schema.json",
  "title": "Open course capsule v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "$schema",
    "schema_id",
    "schema_version",
    "course_id",
    "locale",
    "learner_directed",
    "open_access_policy",
    "course",
    "course_native",
    "layers",
    "evidence"
  ],
  "properties": {
    "$schema": { "const": "https://kokunoyumeto.github.io/program-matematika-indonesia/schema/course-capsule-v1/course-capsule-v1.schema.json" },
    "schema_id": { "const": "interlanguage/open-course-capsule/v1" },
    "schema_version": { "const": "1.0.0" },
    "course_id": { "$ref": "#/$defs/courseId" },
    "locale": { "const": "id-ID" },
    "learner_directed": { "const": true },
    "open_access_policy": { "$ref": "#/$defs/openAccessPolicy" },
    "course": { "$ref": "#/$defs/course" },
    "course_native": { "$ref": "#/$defs/courseNative" },
    "layers": { "$ref": "#/$defs/layers" },
    "evidence": {
      "type": "array",
      "items": { "$ref": "#/$defs/evidence" }
    }
  },
  "$defs": {
    "courseId": { "type": "string", "pattern": "^[A-D][0-9]{2,3}$" },
    "sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "status": {
      "enum": ["verified", "legacy_verified", "available_unverified", "in_progress", "not_yet_produced", "not_applicable", "unknown"]
    },
    "evidence": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "locator", "verified_date"],
      "properties": {
        "kind": { "type": "string", "minLength": 1 },
        "locator": { "type": "string", "minLength": 1 },
        "verified_date": { "type": "string", "format": "date" },
        "file_name": { "type": "string", "minLength": 1 },
        "bytes": { "type": "integer", "minimum": 1 },
        "sha256": { "$ref": "#/$defs/sha256" },
        "note": { "type": "string", "minLength": 1 }
      }
    },
    "openAccessPolicy": {
      "type": "object",
      "additionalProperties": false,
      "required": ["public_access_required", "private_access_forbidden", "download_restriction_forbidden", "educator_materials_public", "rights_are_not_access_gates"],
      "properties": {
        "public_access_required": { "const": true },
        "private_access_forbidden": { "const": true },
        "download_restriction_forbidden": { "const": true },
        "educator_materials_public": { "const": true },
        "rights_are_not_access_gates": { "const": true }
      }
    },
    "course": {
      "type": "object",
      "additionalProperties": false,
      "required": ["title", "level", "topic", "state", "purpose", "outcome", "prerequisites"],
      "properties": {
        "title": { "type": "string", "minLength": 1 },
        "level": { "enum": ["A", "B", "C", "D"] },
        "topic": { "type": "string", "minLength": 1 },
        "state": { "enum": ["published", "production"] },
        "purpose": { "type": "string", "minLength": 1 },
        "outcome": { "type": "string", "minLength": 1 },
        "prerequisites": {
          "type": "array",
          "uniqueItems": true,
          "items": { "$ref": "#/$defs/courseId" }
        }
      }
    },
    "courseNative": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "corpus"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "version": { "type": "string", "minLength": 1 },
        "corpus": { "type": "string", "minLength": 1 },
        "repository": { "type": "string", "format": "uri" },
        "zenodo": { "type": "string", "format": "uri" },
        "edition": { "type": "string", "format": "uri" },
        "note": { "type": "string", "minLength": 1 }
      }
    },
    "layers": {
      "type": "object",
      "additionalProperties": false,
      "required": ["curriculum", "translation", "production", "learner", "educator", "federation", "interoperability"],
      "properties": {
        "curriculum": { "$ref": "#/$defs/curriculumLayer" },
        "translation": { "$ref": "#/$defs/translationLayer" },
        "production": { "$ref": "#/$defs/productionLayer" },
        "learner": { "$ref": "#/$defs/learnerLayer" },
        "educator": { "$ref": "#/$defs/educatorLayer" },
        "federation": { "$ref": "#/$defs/federationLayer" },
        "interoperability": { "$ref": "#/$defs/interopLayer" }
      }
    },
    "curriculumLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "course_identity", "unit_identity_status", "route_id", "prerequisites", "outcomes"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "course_identity": { "$ref": "#/$defs/courseId" },
        "unit_identity_status": { "$ref": "#/$defs/status" },
        "route_id": { "type": "string", "pattern": "^route:[A-D][0-9]{2,3}$" },
        "prerequisites": { "type": "array", "uniqueItems": true, "items": { "$ref": "#/$defs/courseId" } },
        "outcomes": { "type": "array", "minItems": 1, "items": { "type": "string", "minLength": 1 } }
      }
    },
    "translationLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "source_locale", "target_locale", "ledger_status", "terminology_status", "rights_status", "corrections_status"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "source_locale": { "type": "string", "minLength": 1 },
        "target_locale": { "const": "id-ID" },
        "ledger_status": { "$ref": "#/$defs/status" },
        "terminology_status": { "$ref": "#/$defs/status" },
        "rights_status": { "$ref": "#/$defs/status" },
        "corrections_status": { "$ref": "#/$defs/status" }
      }
    },
    "productionLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "build_status", "deterministic_replay_status", "release_status"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "build_status": { "$ref": "#/$defs/status" },
        "deterministic_replay_status": { "$ref": "#/$defs/status" },
        "release_status": { "$ref": "#/$defs/status" },
        "repository": { "type": "string", "format": "uri" },
        "zenodo": { "type": "string", "format": "uri" },
        "edition": { "type": "string", "format": "uri" }
      }
    },
    "deliveryResource": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "format": { "type": "string", "minLength": 1 },
        "url": { "type": "string", "format": "uri" },
        "bytes": { "type": "integer", "minimum": 1 },
        "sha256": { "$ref": "#/$defs/sha256" },
        "entry_point": { "type": "string", "minLength": 1 },
        "inventory_count": { "type": "integer", "minimum": 1 },
        "scope": { "type": "string", "minLength": 1 },
        "dependency_free": { "type": "boolean" },
        "evidence": { "$ref": "#/$defs/evidence" }
      },
      "allOf": [
        {
          "if": { "properties": { "status": { "const": "verified" } }, "required": ["status"] },
          "then": { "required": ["format", "url", "bytes", "sha256", "evidence"] }
        }
      ]
    },
    "learnerLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "primary", "online_html", "pdf", "epub", "portable_html", "capabilities"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "primary": { "$ref": "#/$defs/deliveryResource" },
        "online_html": { "$ref": "#/$defs/deliveryResource" },
        "pdf": { "$ref": "#/$defs/deliveryResource" },
        "epub": { "$ref": "#/$defs/deliveryResource" },
        "portable_html": { "$ref": "#/$defs/deliveryResource" },
        "capabilities": {
          "type": "object",
          "additionalProperties": { "$ref": "#/$defs/status" }
        },
        "tools": {
          "type": "array",
          "items": { "$ref": "#/$defs/learnerTool" }
        }
      }
    },
    "fileFact": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "bytes", "sha256"],
      "properties": {
        "path": { "type": "string", "minLength": 1 },
        "bytes": { "type": "integer", "minimum": 0 },
        "sha256": { "$ref": "#/$defs/sha256" }
      }
    },
    "learnerTool": {
      "type": "object",
      "additionalProperties": false,
      "required": ["tool_id", "label", "href", "action_kind", "scope", "state", "primary", "machine_data_is_learner_destination", "page", "resource", "evidence", "limitations"],
      "properties": {
        "tool_id": { "type": "string", "pattern": "^[a-z][a-z0-9._-]+$" },
        "label": { "type": "string", "minLength": 1, "maxLength": 80 },
        "href": { "type": "string", "pattern": "^(?!/)(?!.*(?:^|/)\\.\\.(?:/|$))[A-Za-z0-9._/-]+(?:/|\\.html)$" },
        "action_kind": { "enum": ["practice_diagnostic_map", "course_reader", "reference", "interactive"] },
        "scope": { "type": "string", "minLength": 1 },
        "state": { "enum": ["verified", "available_unverified", "planned"] },
        "primary": { "type": "boolean" },
        "machine_data_is_learner_destination": { "const": false },
        "page": { "$ref": "#/$defs/fileFact" },
        "resource": { "$ref": "#/$defs/fileFact" },
        "evidence": { "$ref": "#/$defs/fileFact" },
        "limitations": {
          "type": "array",
          "minItems": 1,
          "items": { "type": "string", "minLength": 1 }
        }
      }
    },
    "educatorFeature": {
      "enum": [
        "outcome_evidence_map",
        "prerequisite_diagnostics",
        "lesson_sequences",
        "pacing_plans",
        "worked_examples",
        "exercise_bank",
        "staged_hints_answers_solutions",
        "assessment_blueprints",
        "rubrics",
        "misconceptions_interventions",
        "activities_labs",
        "accessibility_accommodations",
        "remix_selectors",
        "solution_provenance"
      ]
    },
    "educatorResource": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "title", "resource_type", "status", "url"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "title": { "type": "string", "minLength": 1 },
        "resource_type": { "type": "string", "minLength": 1 },
        "status": { "$ref": "#/$defs/status" },
        "url": { "type": "string", "format": "uri" },
        "scope": { "type": "string", "minLength": 1 },
        "license": { "type": "string", "minLength": 1 },
        "pages": { "type": "integer", "minimum": 1 },
        "bytes": { "type": "integer", "minimum": 1 },
        "sha256": { "$ref": "#/$defs/sha256" }
      }
    },
    "educatorLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "shared_identity_scope", "unit_alignment_status", "features", "resources", "evidence"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "shared_identity_scope": { "const": "learner_and_educator_views_share_course_unit_concept_exercise_ids" },
        "unit_alignment_status": { "$ref": "#/$defs/status" },
        "unlisted_features_status": { "const": "unknown", "description": "Omitted feature names are unindexed, not evidence of nonproduction." },
        "features": { "type": "array", "uniqueItems": true, "items": { "$ref": "#/$defs/educatorFeature" } },
        "resources": { "type": "array", "items": { "$ref": "#/$defs/educatorResource" } },
        "evidence": { "type": "array", "items": { "$ref": "#/$defs/evidence" } }
      }
    },
    "componentProvenance": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "locator", "note"],
      "properties": {
        "kind": { "const": "course_native_component_reference" },
        "locator": { "type": "string", "format": "uri" },
        "note": { "type": "string", "minLength": 1 }
      },
      "description": "A traceable source reference, not a claim of independently verified license or semantic identity."
    },
    "component": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "title", "kind", "status", "access"],
      "properties": {
        "id": { "type": "string", "minLength": 1 },
        "title": { "type": "string", "minLength": 1 },
        "kind": { "type": "string", "minLength": 1 },
        "status": { "$ref": "#/$defs/status" },
        "access": { "enum": ["public", "unknown"] },
        "rights_status": { "$ref": "#/$defs/status" },
        "provenance": { "type": "array", "items": { "$ref": "#/$defs/componentProvenance" } },
        "url": { "type": "string", "format": "uri" },
        "license": { "type": "string", "minLength": 1 },
        "sha256": { "$ref": "#/$defs/sha256" }
      }
    },
    "federationLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "zero_copy", "components"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "zero_copy": { "const": true },
        "components": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/component" } }
      }
    },
    "semanticAdapter": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "mapping_scope", "evidence"],
      "properties": {
        "status": { "$ref": "#/$defs/status" },
        "contract_version": { "type": "string", "minLength": 1 },
        "mapping_scope": { "type": "string", "minLength": 1 },
        "evidence": { "type": "array", "items": { "$ref": "#/$defs/evidence" } }
      }
    },
    "artifactReference": {
      "type": "object",
      "additionalProperties": false,
      "required": ["locator", "bytes", "sha256"],
      "properties": {
        "locator": { "type": "string", "format": "uri" },
        "bytes": { "type": "integer", "minimum": 1 },
        "sha256": { "$ref": "#/$defs/sha256" }
      }
    },
    "designPolicyRef": {
      "type": "object",
      "additionalProperties": false,
      "required": ["profile", "course_native_authoritative", "capsule_additive", "native_identity_preserved", "content_copied_into_capsule", "canonical_capsule_format", "optional_adapters", "adapter_absence_blocks_release", "policy", "public_baseline"],
      "properties": {
        "profile": { "const": "thin_format_neutral_zero_copy" },
        "course_native_authoritative": { "const": true },
        "capsule_additive": { "const": true },
        "native_identity_preserved": { "const": true },
        "content_copied_into_capsule": { "const": false },
        "canonical_capsule_format": { "const": "application/x-ndjson" },
        "optional_adapters": {
          "type": "array",
          "minItems": 3,
          "maxItems": 3,
          "uniqueItems": true,
          "items": { "enum": ["myst", "quarto", "xliff"] }
        },
        "adapter_absence_blocks_release": { "const": false },
        "policy": { "$ref": "#/$defs/artifactReference" },
        "public_baseline": { "$ref": "#/$defs/artifactReference" }
      }
    },
    "interopLayer": {
      "type": "object",
      "additionalProperties": false,
      "required": ["status", "capsule_contract", "native_identity_preserved", "mapping_scope", "semantic_adapter", "design_policy"],
      "properties": {
        "status": { "const": "verified" },
        "capsule_contract": { "const": "open-course-capsule/1.0.0" },
        "native_identity_preserved": { "const": true },
        "mapping_scope": { "const": "course_level_without_content_copy" },
        "semantic_adapter": { "$ref": "#/$defs/semanticAdapter" },
        "design_policy": { "$ref": "#/$defs/designPolicyRef" }
      }
    }
  }
}