use crate::protocol::common::AuthMode;
use codex_protocol::ConversationId;
use codex_protocol::account::PlanType;
use codex_protocol::config_types::ReasoningEffort;
use codex_protocol::protocol::RateLimitSnapshot as CoreRateLimitSnapshot;
use codex_protocol::protocol::RateLimitWindow as CoreRateLimitWindow;
use mcp_types::ContentBlock as McpContentBlock;
use schemars::JsonSchema;
use serde::Deserialize;
use serde::Serialize;
use serde_json::Value as JsonValue;
use std::path::PathBuf;
use ts_rs::TS;
use uuid::Uuid;

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(tag = "type")]
#[ts(export_to = "v2/")]
pub enum Account {
    #[serde(rename = "apiKey", rename_all = "camelCase")]
    #[ts(rename = "apiKey", rename_all = "camelCase")]
    ApiKey { api_key: String },

    #[serde(rename = "chatgpt", rename_all = "camelCase")]
    #[ts(rename = "chatgpt", rename_all = "camelCase")]
    ChatGpt {
        email: Option<String>,
        plan_type: PlanType,
    },
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(tag = "type")]
#[ts(tag = "type")]
#[ts(export_to = "v2/")]
pub enum LoginAccountParams {
    #[serde(rename = "apiKey")]
    #[ts(rename = "apiKey")]
    ApiKey {
        #[serde(rename = "apiKey")]
        #[ts(rename = "apiKey")]
        api_key: String,
    },
    #[serde(rename = "chatgpt")]
    #[ts(rename = "chatgpt")]
    ChatGpt,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct LoginAccountResponse {
    /// Only set if the login method is ChatGPT.
    #[schemars(with = "String")]
    pub login_id: Option<Uuid>,

    /// URL the client should open in a browser to initiate the OAuth flow.
    /// Only set if the login method is ChatGPT.
    pub auth_url: Option<String>,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct LogoutAccountResponse {}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct GetAccountRateLimitsResponse {
    pub rate_limits: RateLimitSnapshot,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct GetAccountResponse {
    pub account: Account,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Default, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ListModelsParams {
    /// Optional page size; defaults to a reasonable server-side value.
    pub page_size: Option<usize>,
    /// Opaque pagination cursor returned by a previous call.
    pub cursor: Option<String>,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct Model {
    pub id: String,
    pub model: String,
    pub display_name: String,
    pub description: String,
    pub supported_reasoning_efforts: Vec<ReasoningEffortOption>,
    pub default_reasoning_effort: ReasoningEffort,
    // Only one model should be marked as default.
    pub is_default: bool,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ReasoningEffortOption {
    pub reasoning_effort: ReasoningEffort,
    pub description: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ListModelsResponse {
    pub items: Vec<Model>,
    /// Opaque cursor to pass to the next call to continue after the last item.
    /// if None, there are no more items to return.
    pub next_cursor: Option<String>,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct UploadFeedbackParams {
    pub classification: String,
    pub reason: Option<String>,
    pub conversation_id: Option<ConversationId>,
    pub include_logs: bool,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct UploadFeedbackResponse {
    pub thread_id: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct AccountUpdatedNotification {
    pub auth_method: Option<AuthMode>,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct Thread {
    pub id: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct Turn {
    pub id: String,
    pub items: Vec<ThreadItem>,
    pub status: TurnStatus,
    pub error: Option<TurnError>,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum TurnStatus {
    Completed,
    Interrupted,
    Failed,
    InProgress,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct TurnError {
    pub message: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum UserInput {
    Text { text: String },
    Image { url: String },
    LocalImage { path: PathBuf },
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(tag = "type", rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum ThreadItem {
    UserMessage {
        id: String,
        content: Vec<UserInput>,
    },
    AgentMessage {
        id: String,
        text: String,
    },
    Reasoning {
        id: String,
        text: String,
    },
    CommandExecution {
        id: String,
        command: String,
        aggregated_output: String,
        exit_code: Option<i32>,
        status: CommandExecutionStatus,
        duration_ms: Option<i64>,
    },
    FileChange {
        id: String,
        changes: Vec<FileUpdateChange>,
        status: PatchApplyStatus,
    },
    McpToolCall {
        id: String,
        server: String,
        tool: String,
        status: McpToolCallStatus,
        arguments: JsonValue,
        result: Option<McpToolCallResult>,
        error: Option<McpToolCallError>,
    },
    WebSearch {
        id: String,
        query: String,
    },
    TodoList {
        id: String,
        items: Vec<TodoItem>,
    },
    ImageView {
        id: String,
        path: String,
    },
    CodeReview {
        id: String,
        review: String,
    },
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum CommandExecutionStatus {
    InProgress,
    Completed,
    Failed,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct FileUpdateChange {
    pub path: String,
    pub kind: PatchChangeKind,
    pub diff: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum PatchChangeKind {
    Add,
    Delete,
    Update,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum PatchApplyStatus {
    Completed,
    Failed,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub enum McpToolCallStatus {
    InProgress,
    Completed,
    Failed,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct McpToolCallResult {
    pub content: Vec<McpContentBlock>,
    pub structured_content: JsonValue,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct McpToolCallError {
    pub message: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct TodoItem {
    pub id: String,
    pub text: String,
    pub completed: bool,
}

// === Server Notifications ===

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ThreadStartedNotification {
    pub thread: Thread,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct TurnStartedNotification {
    pub turn: Turn,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct Usage {
    pub input_tokens: i32,
    pub cached_input_tokens: i32,
    pub output_tokens: i32,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct TurnCompletedNotification {
    pub turn: Turn,
    pub usage: Usage,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ItemStartedNotification {
    pub item: ThreadItem,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct ItemCompletedNotification {
    pub item: ThreadItem,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct AgentMessageDeltaNotification {
    pub item_id: String,
    pub delta: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct CommandExecutionOutputDeltaNotification {
    pub item_id: String,
    pub delta: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct McpToolCallProgressNotification {
    pub item_id: String,
    pub message: String,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct AccountRateLimitsUpdatedNotification {
    pub rate_limits: RateLimitSnapshot,
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct RateLimitSnapshot {
    pub primary: Option<RateLimitWindow>,
    pub secondary: Option<RateLimitWindow>,
}

impl From<CoreRateLimitSnapshot> for RateLimitSnapshot {
    fn from(value: CoreRateLimitSnapshot) -> Self {
        Self {
            primary: value.primary.map(RateLimitWindow::from),
            secondary: value.secondary.map(RateLimitWindow::from),
        }
    }
}

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, JsonSchema, TS)]
#[serde(rename_all = "camelCase")]
#[ts(export_to = "v2/")]
pub struct RateLimitWindow {
    pub used_percent: i32,
    pub window_duration_mins: Option<i64>,
    pub resets_at: Option<i64>,
}

impl From<CoreRateLimitWindow> for RateLimitWindow {
    fn from(value: CoreRateLimitWindow) -> Self {
        Self {
            used_percent: value.used_percent.round() as i32,
            window_duration_mins: value.window_minutes,
            resets_at: value.resets_at,
        }
    }
}