syntax = "proto3";
package zed.messages;

import "core.proto";
import "worktree.proto";

message OpenNewBuffer {
    uint64 project_id = 1;
}

message OpenBufferResponse {
    uint64 buffer_id = 1;
}

message CreateBufferForPeer {
    uint64 project_id = 1;
    PeerId peer_id = 2;
    oneof variant {
        BufferState state = 3;
        BufferChunk chunk = 4;
    }
}

message UpdateBuffer {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
    repeated Operation operations = 3;
}

message OpenBufferByPath {
    uint64 project_id = 1;
    uint64 worktree_id = 2;
    string path = 3;
}

message OpenBufferById {
    uint64 project_id = 1;
    uint64 id = 2;
}

message UpdateBufferFile {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
    File file = 3;
}

message SaveBuffer {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
    repeated VectorClockEntry version = 3;
    optional ProjectPath new_path = 4;
}

message CloseBuffer {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
}

message BufferSaved {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
    repeated VectorClockEntry version = 3;
    Timestamp mtime = 4;
    reserved 5;
}

message BufferReloaded {
    uint64 project_id = 1;
    uint64 buffer_id = 2;
    repeated VectorClockEntry version = 3;
    Timestamp mtime = 4;
    reserved 5;
    LineEnding line_ending = 6;
}

message ReloadBuffers {
    uint64 project_id = 1;
    repeated uint64 buffer_ids = 2;
}

message ReloadBuffersResponse {
    ProjectTransaction transaction = 1;
}

message SynchronizeBuffers {
    uint64 project_id = 1;
    repeated BufferVersion buffers = 2;
}

message SynchronizeBuffersResponse {
    repeated BufferVersion buffers = 1;
}

message BufferVersion {
    uint64 id = 1;
    repeated VectorClockEntry version = 2;
}

message BufferState {
    uint64 id = 1;
    optional File file = 2;
    string base_text = 3;
    LineEnding line_ending = 5;
    repeated VectorClockEntry saved_version = 6;
    Timestamp saved_mtime = 8;

    reserved 7;
    reserved 4;
}

message BufferChunk {
    uint64 buffer_id = 1;
    repeated Operation operations = 2;
    bool is_last = 3;
}

enum LineEnding {
    Unix = 0;
    Windows = 1;
}

message VectorClockEntry {
    uint32 replica_id = 1;
    uint32 timestamp = 2;
}

message UndoMapEntry {
    uint32 replica_id = 1;
    uint32 local_timestamp = 2;
    repeated UndoCount counts = 3;
}

message UndoCount {
    uint32 replica_id = 1;
    uint32 lamport_timestamp = 2;
    uint32 count = 3;
}

message Operation {
    oneof variant {
        Edit edit = 1;
        Undo undo = 2;
        UpdateSelections update_selections = 3;
        UpdateDiagnostics update_diagnostics = 4;
        UpdateCompletionTriggers update_completion_triggers = 5;
    }

    message Edit {
        uint32 replica_id = 1;
        uint32 lamport_timestamp = 2;
        repeated VectorClockEntry version = 3;
        repeated Range ranges = 4;
        repeated string new_text = 5;
    }

    message Undo {
        uint32 replica_id = 1;
        uint32 lamport_timestamp = 2;
        repeated VectorClockEntry version = 3;
        repeated UndoCount counts = 4;
    }

    message UpdateSelections {
        uint32 replica_id = 1;
        uint32 lamport_timestamp = 2;
        repeated Selection selections = 3;
        bool line_mode = 4;
        CursorShape cursor_shape = 5;
    }

    message UpdateCompletionTriggers {
        uint32 replica_id = 1;
        uint32 lamport_timestamp = 2;
        repeated string triggers = 3;
        uint64 language_server_id = 4;
    }
}

message ProjectTransaction {
    repeated uint64 buffer_ids = 1;
    repeated Transaction transactions = 2;
}

message Transaction {
    LamportTimestamp id = 1;
    repeated LamportTimestamp edit_ids = 2;
    repeated VectorClockEntry start = 3;
}

message LamportTimestamp {
    uint32 replica_id = 1;
    uint32 value = 2;
}

message Range {
    uint64 start = 1;
    uint64 end = 2;
}

message Selection {
    uint64 id = 1;
    EditorAnchor start = 2;
    EditorAnchor end = 3;
    bool reversed = 4;
}

message EditorAnchor {
    uint64 excerpt_id = 1;
    Anchor anchor = 2;
}

enum CursorShape {
    CursorBar = 0;
    CursorBlock = 1;
    CursorUnderscore = 2;
    CursorHollow = 3;
}

message UpdateDiagnostics {
    uint32 replica_id = 1;
    uint32 lamport_timestamp = 2;
    uint64 server_id = 3;
    repeated Diagnostic diagnostics = 4;
}

message Anchor {
    uint32 replica_id = 1;
    uint32 timestamp = 2;
    uint64 offset = 3;
    Bias bias = 4;
    optional uint64 buffer_id = 5;
}

message AnchorRange {
    Anchor start = 1;
    Anchor end = 2;
}

message Location {
    uint64 buffer_id = 1;
    Anchor start = 2;
    Anchor end = 3;
}

enum Bias {
    Left = 0;
    Right = 1;
}

message Diagnostic {
    Anchor start = 1;
    Anchor end = 2;
    optional string source = 3;
    Severity severity = 4;
    string message = 5;
    optional string code = 6;
    uint64 group_id = 7;
    bool is_primary = 8;

    reserved 9;

    bool is_disk_based = 10;
    bool is_unnecessary = 11;

    enum Severity {
        None = 0;
        Error = 1;
        Warning = 2;
        Information = 3;
        Hint = 4;
    }
    optional string data = 12;
    optional string code_description = 13;
    optional string markdown = 14;
}

message SearchQuery {
    string query = 2;
    bool regex = 3;
    bool whole_word = 4;
    bool case_sensitive = 5;
    string files_to_include = 6;
    string files_to_exclude = 7;
    bool match_full_paths = 9;
    bool include_ignored = 8;
}

message FindSearchCandidates {
    uint64 project_id = 1;
    SearchQuery query = 2;
    uint64 limit = 3;
}

message FindSearchCandidatesResponse {
    repeated uint64 buffer_ids = 1;
}