use ::jspg::*;
use pgrx::JsonB;
use serde_json::json;

#[test]
fn test_library_api() {
  // 1. Initially, schemas are not cached.
  assert!(!json_schema_cached("test_schema"));

  // Expected uninitialized drop format: errors + null response
  let uninitialized_drop = validate_json_schema("test_schema", JsonB(json!({})));
  assert_eq!(
    uninitialized_drop.0,
    json!({
        "type": "drop",
        "errors": [{
            "code": "VALIDATOR_NOT_INITIALIZED",
            "message": "JSON Schemas have not been cached yet. Run cache_json_schemas()",
            "details": { "path": "" }
        }]
    })
  );

  // 2. Cache schemas
  let db_json = json!({
      "puncs": [],
      "enums": [],
      "types": [{
          "schemas": [{
              "$id": "test_schema",
              "type": "object",
              "properties": {
                  "name": { "type": "string" }
              },
              "required": ["name"]
          }]
      }]
  });

  let cache_drop = jspg_cache_database(JsonB(db_json));
  assert_eq!(
    cache_drop.0,
    json!({
        "type": "drop",
        "response": "success"
    })
  );

  // 3. Check schemas are cached
  assert!(json_schema_cached("test_schema"));

  let show_drop = show_json_schemas();
  assert_eq!(
    show_drop.0,
    json!({
        "type": "drop",
        "response": ["test_schema"]
    })
  );

  // 4. Validate Happy Path
  let happy_drop = validate_json_schema("test_schema", JsonB(json!({"name": "Neo"})));
  assert_eq!(
    happy_drop.0,
    json!({
        "type": "drop",
        "response": "success"
    })
  );

  // 5. Validate Unhappy Path
  let unhappy_drop = validate_json_schema("test_schema", JsonB(json!({"wrong": "data"})));
  assert_eq!(
    unhappy_drop.0,
    json!({
        "type": "drop",
        "errors": [
            {
                "code": "REQUIRED_FIELD_MISSING",
                "message": "Missing name",
                "details": { "path": "/name" }
            },
            {
                "code": "STRICT_PROPERTY_VIOLATION",
                "message": "Unexpected property 'wrong'",
                "details": { "path": "/wrong" }
            }
        ]
    })
  );

  // 6. Clear Schemas
  let clear_drop = clear_json_schemas();
  assert_eq!(
    clear_drop.0,
    json!({
        "type": "drop",
        "response": "success"
    })
  );
  assert!(!json_schema_cached("test_schema"));
}