use lib_ot::core::{
  AttributeBuilder, Changeset, NodeData, NodeDataBuilder, NodeOperation, NodeTree, Path,
};
use lib_ot::text_delta::DeltaTextOperationBuilder;

#[test]
fn operation_insert_node_serde_test() {
  let insert = NodeOperation::Insert {
    path: Path(vec![0, 1]),
    nodes: vec![NodeData::new("text".to_owned())],
  };
  let result = serde_json::to_string(&insert).unwrap();
  assert_eq!(
    result,
    r#"{"op":"insert","path":[0,1],"nodes":[{"type":"text"}]}"#
  );
}

#[test]
fn operation_insert_node_with_children_serde_test() {
  let node = NodeDataBuilder::new("text")
    .add_node_data(NodeData::new("sub_text".to_owned()))
    .build();

  let insert = NodeOperation::Insert {
    path: Path(vec![0, 1]),
    nodes: vec![node],
  };
  assert_eq!(
    serde_json::to_string(&insert).unwrap(),
    r#"{"op":"insert","path":[0,1],"nodes":[{"type":"text","children":[{"type":"sub_text"}]}]}"#
  );
}

#[test]
fn operation_update_node_attributes_serde_test() {
  let operation = NodeOperation::Update {
    path: Path(vec![0, 1]),
    changeset: Changeset::Attributes {
      new: AttributeBuilder::new().insert("bold", true).build(),
      old: AttributeBuilder::new().insert("bold", false).build(),
    },
  };

  let result = serde_json::to_string(&operation).unwrap();
  assert_eq!(
    result,
    r#"{"op":"update","path":[0,1],"changeset":{"attributes":{"new":{"bold":true},"old":{"bold":false}}}}"#
  );
}

#[test]
fn operation_update_node_body_serialize_test() {
  let delta = DeltaTextOperationBuilder::new()
    .insert("AppFlowy...")
    .build();
  let inverted = delta.invert_str("");
  let changeset = Changeset::Delta { delta, inverted };
  let insert = NodeOperation::Update {
    path: Path(vec![0, 1]),
    changeset,
  };
  let result = serde_json::to_string(&insert).unwrap();
  assert_eq!(
    result,
    r#"{"op":"update","path":[0,1],"changeset":{"delta":{"delta":[{"insert":"AppFlowy..."}],"inverted":[{"delete":11}]}}}"#
  );
}

#[test]
fn operation_update_node_body_deserialize_test() {
  let json_1 = r#"{"op":"update","path":[0,1],"changeset":{"delta":{"delta":[{"insert":"AppFlowy..."}],"inverted":[{"delete":11}]}}}"#;
  let operation: NodeOperation = serde_json::from_str(json_1).unwrap();
  let json_2 = serde_json::to_string(&operation).unwrap();
  assert_eq!(json_1, json_2);
}

// #[test]
// fn transaction_serialize_test() {
//     let insert = NodeOperation::Insert {
//         path: Path(vec![0, 1]),
//         nodes: vec![NodeData::new("text".to_owned())],
//     };
//     let transaction = Transaction::from_operations(vec![insert]);
//     let json = serde_json::to_string(&transaction).unwrap();
//     assert_eq!(
//         json,
//         r#"{"operations":[{"op":"insert","path":[0,1],"nodes":[{"type":"text"}]}]}"#
//     );
// }
//
// #[test]
// fn transaction_deserialize_test() {
//     let json = r#"{"operations":[{"op":"insert","path":[0,1],"nodes":[{"type":"text"}]}],"TextSelection":{"before_selection":{"start":{"path":[],"offset":0},"end":{"path":[],"offset":0}},"after_selection":{"start":{"path":[],"offset":0},"end":{"path":[],"offset":0}}}}"#;
//
//     let transaction: Transaction = serde_json::from_str(json).unwrap();
//     assert_eq!(transaction.operations.len(), 1);
// }
//
// #[test]
// fn node_tree_deserialize_test() {
//     let tree: NodeTree = serde_json::from_str(TREE_JSON).unwrap();
//     assert_eq!(tree.number_of_children(None), 1);
// }

#[test]
fn node_tree_serialize_test() {
  let tree: NodeTree = serde_json::from_str(TREE_JSON).unwrap();
  let json = serde_json::to_string_pretty(&tree).unwrap();
  assert_eq!(json, TREE_JSON);
}

#[test]
fn node_tree_serde_test() {
  let tree: NodeTree = serde_json::from_str(TREE_JSON).unwrap();
  let bytes = tree.to_bytes();
  let tree = NodeTree::from_bytes(&bytes).unwrap();
  assert_eq!(bytes, tree.to_bytes());
}

#[allow(dead_code)]
const TREE_JSON: &str = r#"{
  "type": "editor",
  "children": [
    {
      "type": "image",
      "attributes": {
        "image_src": "https://s1.ax1x.com/2022/08/26/v2sSbR.jpg"
      }
    },
    {
      "type": "text",
      "attributes": {
        "heading": "h1"
      },
      "body": {
        "delta": [
          {
            "insert": "👋 "
          },
          {
            "insert": "Welcome to ",
            "attributes": {
              "href": "appflowy.io"
            }
          },
          {
            "insert": "AppFlowy Editor",
            "attributes": {
              "italic": true
            }
          }
        ]
      }
    }
  ]
}"#;