/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * Much of the code in this file is modified from [helix](https://github.com/helix-editor/helix)'s implementation of their syntax highlighting, which is under the MPL.
 */

use std::{collections::HashMap, path::PathBuf};

use serde::{de::DeserializeOwned, Deserialize, Serialize};
use serde_json::Value;

use crate::counter::Counter;

#[derive(Eq, PartialEq, Hash, Clone, Copy, Debug, Serialize, Deserialize)]
pub struct DapId(pub u64);

impl Default for DapId {
    fn default() -> Self {
        Self::next()
    }
}

impl DapId {
    pub fn next() -> Self {
        static DAP_ID_COUNTER: Counter = Counter::new();
        Self(DAP_ID_COUNTER.next())
    }
}

pub struct DapServer {
    pub program: String,
    pub args: Vec<String>,
    pub cwd: Option<PathBuf>,
}

#[derive(Deserialize, Serialize, Debug, Clone, PartialEq)]
#[serde(rename_all = "kebab-case")]
pub struct RunDebugProgram {
    pub program: String,
    pub args: Option<Vec<String>>,
}

#[derive(Deserialize, Serialize, Debug, Clone, PartialEq)]
#[serde(rename_all = "kebab-case")]
pub struct RunDebugConfig {
    #[serde(rename = "type")]
    pub ty: Option<String>,
    pub name: String,
    pub program: String,
    pub args: Option<Vec<String>>,
    pub cwd: Option<String>,
    pub env: Option<HashMap<String, String>>,
    pub prelaunch: Option<RunDebugProgram>,
    #[serde(skip)]
    pub debug_command: Option<Vec<String>>,
    #[serde(skip)]
    pub dap_id: DapId,
}

pub trait Request {
    type Arguments: DeserializeOwned + Serialize;
    type Result: DeserializeOwned + Serialize;
    const COMMAND: &'static str;
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct DapRequest {
    pub seq: u64,
    pub command: String,
    pub arguments: Option<Value>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
pub struct DapResponse {
    pub request_seq: u64,
    pub success: bool,
    pub command: String,
    pub message: Option<String>,
    pub body: Option<Value>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[serde(tag = "event", content = "body")]
// seq is omitted as unused and is not sent by some implementations
pub enum DapEvent {
    Initialized(Option<DebuggerCapabilities>),
    Stopped(Stopped),
    Continued(Continued),
    Exited(Exited),
    Terminated(Option<Terminated>),
    Thread {
        reason: String,
        thread_id: ThreadId,
    },
    Output(Output),
    Breakpoint {
        reason: String,
        breakpoint: Breakpoint,
    },
    Module {
        reason: String,
        module: Module,
    },
    LoadedSource {
        reason: String,
        source: Source,
    },
    Process(Process),
    Capabilities(Capabilities),
    Memory(Memory),
}

#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(tag = "type", rename_all = "camelCase")]
pub enum DapPayload {
    Request(DapRequest),
    Response(DapResponse),
    Event(DapEvent),
}

#[derive(Debug)]
pub enum Initialize {}

impl Request for Initialize {
    type Arguments = InitializeParams;
    type Result = DebuggerCapabilities;
    const COMMAND: &'static str = "initialize";
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct InitializeParams {
    #[serde(rename = "clientID", skip_serializing_if = "Option::is_none")]
    pub client_id: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub client_name: Option<String>,
    #[serde(rename = "adapterID")]
    pub adapter_id: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub locale: Option<String>,
    #[serde(rename = "linesStartAt1", skip_serializing_if = "Option::is_none")]
    pub lines_start_at_one: Option<bool>,
    #[serde(rename = "columnsStartAt1", skip_serializing_if = "Option::is_none")]
    pub columns_start_at_one: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub path_format: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_variable_type: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_variable_paging: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_run_in_terminal_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_memory_references: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_progress_reporting: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_invalidated_event: Option<bool>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ColumnDescriptor {
    pub attribute_name: String,
    pub label: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub format: Option<String>,
    #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
    pub ty: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub width: Option<usize>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ExceptionBreakpointsFilter {
    pub filter: String,
    pub label: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub default: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_condition: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub condition_description: Option<String>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DebuggerCapabilities {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_configuration_done_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_function_breakpoints: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_conditional_breakpoints: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_hit_conditional_breakpoints: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_evaluate_for_hovers: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_step_back: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_set_variable: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_restart_frame: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_goto_targets_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_step_in_targets_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_completions_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_modules_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_restart_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_exception_options: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_value_formatting_options: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_exception_info_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub support_terminate_debuggee: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub support_suspend_debuggee: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_delayed_stack_trace_loading: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_loaded_sources_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_log_points: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_terminate_threads_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_set_expression: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_terminate_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_data_breakpoints: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_read_memory_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_write_memory_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_disassemble_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_cancel_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_breakpoint_locations_request: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_clipboard_context: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_stepping_granularity: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_instruction_breakpoints: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supports_exception_filter_options: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub exception_breakpoint_filters: Option<Vec<ExceptionBreakpointsFilter>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub completion_trigger_characters: Option<Vec<String>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub additional_module_columns: Option<Vec<ColumnDescriptor>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supported_checksum_algorithms: Option<Vec<String>>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Stopped {
    pub reason: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub thread_id: Option<ThreadId>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub preserve_focus_hint: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub text: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub all_threads_stopped: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub hit_breakpoint_ids: Option<Vec<usize>>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Continued {
    pub thread_id: ThreadId,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub all_threads_continued: Option<bool>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Exited {
    pub exit_code: usize,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Terminated {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub restart: Option<Value>,
}

#[derive(
    Debug,
    Default,
    Clone,
    Copy,
    PartialEq,
    Eq,
    PartialOrd,
    Ord,
    Hash,
    Deserialize,
    Serialize,
)]
pub struct ThreadId(isize);

impl std::fmt::Display for ThreadId {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Thread {
    pub id: ThreadId,
    pub name: String,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Checksum {
    pub algorithm: String,
    pub checksum: String,
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Source {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub name: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub path: Option<PathBuf>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source_reference: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub presentation_hint: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub origin: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub sources: Option<Vec<Source>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub adapter_data: Option<Value>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub checksums: Option<Vec<Checksum>>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Output {
    pub output: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub category: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub group: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub variables_reference: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source: Option<Source>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub data: Option<Value>,
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SourceBreakpoint {
    pub line: usize,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub condition: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub hit_condition: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub log_message: Option<String>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Breakpoint {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub id: Option<usize>,
    pub verified: bool,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub message: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source: Option<Source>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub instruction_reference: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub offset: Option<usize>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Module {
    pub id: String, // TODO: || number
    pub name: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub path: Option<PathBuf>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub is_optimized: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub is_user_code: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub version: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub symbol_status: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub symbol_file_path: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub date_time_stamp: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub address_range: Option<String>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Process {
    pub name: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub system_process_id: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub is_local_process: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub start_method: Option<String>, // TODO: use enum
    #[serde(skip_serializing_if = "Option::is_none")]
    pub pointer_size: Option<usize>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Capabilities {
    pub capabilities: DebuggerCapabilities,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Memory {
    pub memory_reference: String,
    pub offset: usize,
    pub count: usize,
}

pub enum Launch {}

impl Request for Launch {
    type Arguments = Value;
    type Result = Value;
    const COMMAND: &'static str = "launch";
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct RunInTerminalResponse {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub process_id: Option<u32>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub shell_process_id: Option<u32>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct RunInTerminalArguments {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub kind: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub title: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub cwd: Option<String>,
    pub args: Vec<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub env: Option<HashMap<String, Option<String>>>,
}

#[derive(Debug)]
pub enum RunInTerminal {}

impl Request for RunInTerminal {
    type Arguments = RunInTerminalArguments;
    type Result = RunInTerminalResponse;
    const COMMAND: &'static str = "runInTerminal";
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SetBreakpointsArguments {
    pub source: Source,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub breakpoints: Option<Vec<SourceBreakpoint>>,
    // lines is deprecated
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source_modified: Option<bool>,
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SetBreakpointsResponse {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub breakpoints: Option<Vec<Breakpoint>>,
}

#[derive(Debug)]
pub enum SetBreakpoints {}

impl Request for SetBreakpoints {
    type Arguments = SetBreakpointsArguments;
    type Result = SetBreakpointsResponse;
    const COMMAND: &'static str = "setBreakpoints";
}

#[derive(Debug)]
pub enum ConfigurationDone {}

impl Request for ConfigurationDone {
    type Arguments = ();
    type Result = ();
    const COMMAND: &'static str = "configurationDone";
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ContinueArguments {
    pub thread_id: ThreadId,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ContinueResponse {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub all_threads_continued: Option<bool>,
}

#[derive(Debug)]
pub enum Continue {}

impl Request for Continue {
    type Arguments = ContinueArguments;
    type Result = ContinueResponse;
    const COMMAND: &'static str = "continue";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ThreadsResponse {
    pub threads: Vec<Thread>,
}

#[derive(Debug)]
pub enum Threads {}

impl Request for Threads {
    type Arguments = ();
    type Result = ThreadsResponse;
    const COMMAND: &'static str = "threads";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StackFrame {
    pub id: usize,
    pub name: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source: Option<Source>,
    pub line: usize,
    pub column: usize,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub can_restart: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub instruction_pointer_reference: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub module_id: Option<Value>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub presentation_hint: Option<String>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StackFrameFormat {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub parameters: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub parameter_types: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub parameter_names: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub parameter_values: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub line: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub module: Option<bool>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub include_all: Option<bool>,
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StackTraceArguments {
    pub thread_id: ThreadId,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub start_frame: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub levels: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub format: Option<StackFrameFormat>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StackTraceResponse {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub total_frames: Option<usize>,
    pub stack_frames: Vec<StackFrame>,
}

#[derive(Debug)]
pub enum StackTrace {}

impl Request for StackTrace {
    type Arguments = StackTraceArguments;
    type Result = StackTraceResponse;
    const COMMAND: &'static str = "stackTrace";
}

#[derive(Debug)]
pub enum Disconnect {}

impl Request for Disconnect {
    type Arguments = ();
    type Result = ();
    const COMMAND: &'static str = "disconnect";
}

#[derive(Debug)]
pub enum Terminate {}

impl Request for Terminate {
    type Arguments = ();
    type Result = ();
    const COMMAND: &'static str = "terminate";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PauseArguments {
    pub thread_id: ThreadId,
}

#[derive(Debug)]
pub enum Pause {}

impl Request for Pause {
    type Arguments = PauseArguments;
    type Result = ();
    const COMMAND: &'static str = "pause";
}

#[derive(Default, Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Scope {
    pub name: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub presentation_hint: Option<String>,
    pub variables_reference: usize,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub named_variables: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub indexed_variables: Option<usize>,
    pub expensive: bool,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub source: Option<Source>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub column: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_line: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub end_column: Option<usize>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ScopesArguments {
    pub frame_id: usize,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ScopesResponse {
    pub scopes: Vec<Scope>,
}

#[derive(Debug)]
pub enum Scopes {}

impl Request for Scopes {
    type Arguments = ScopesArguments;
    type Result = ScopesResponse;
    const COMMAND: &'static str = "scopes";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ValueFormat {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub hex: Option<bool>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct VariablePresentationHint {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub kind: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub attributes: Option<Vec<String>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub visibility: Option<String>,
}

#[derive(Default, Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Variable {
    pub name: String,
    pub value: String,
    #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
    pub ty: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub presentation_hint: Option<VariablePresentationHint>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub evaluate_name: Option<String>,
    pub variables_reference: usize,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub named_variables: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub indexed_variables: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub memory_reference: Option<String>,
}

#[derive(Debug, Default, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct VariablesArguments {
    pub variables_reference: usize,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub filter: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub start: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub count: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub format: Option<ValueFormat>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct VariablesResponse {
    pub variables: Vec<Variable>,
}

#[derive(Debug)]
pub enum Variables {}

impl Request for Variables {
    type Arguments = VariablesArguments;
    type Result = VariablesResponse;
    const COMMAND: &'static str = "variables";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct NextArguments {
    pub thread_id: ThreadId,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub granularity: Option<String>,
}

#[derive(Debug)]
pub enum Next {}

impl Request for Next {
    type Arguments = NextArguments;
    type Result = ();
    const COMMAND: &'static str = "next";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StepInArguments {
    pub thread_id: ThreadId,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub target_id: Option<usize>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub granularity: Option<String>,
}

#[derive(Debug)]
pub enum StepIn {}

impl Request for StepIn {
    type Arguments = StepInArguments;
    type Result = ();
    const COMMAND: &'static str = "stepIn";
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct StepOutArguments {
    pub thread_id: ThreadId,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub granularity: Option<String>,
}

#[derive(Debug)]
pub enum StepOut {}

impl Request for StepOut {
    type Arguments = StepOutArguments;
    type Result = ();
    const COMMAND: &'static str = "stepOut";
}
