use serde::{Deserialize, Serialize};

/// Category grouping for MCP tools.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum ToolCategory {
    /// Web search and browsing tools
    Search,
    /// File and document processing tools
    FileSystem,
    /// Computation and math tools
    Compute,
    /// Code execution and analysis tools
    Code,
    /// Communication and notification tools
    Communication,
}

impl ToolCategory {
    /// Returns the display label for a tool category.
    pub fn label(&self) -> &'static str {
        match self {
            Self::Search => "Search",
            Self::FileSystem => "File System",
            Self::Compute => "Compute",
            Self::Code => "Code",
            Self::Communication => "Communication",
        }
    }
}

/// Status of an MCP tool instance.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum ToolStatus {
    /// Tool is running and available
    Active,
    /// Tool is installed but not running
    Inactive,
    /// Tool encountered an error
    Error,
}

impl ToolStatus {
    /// Returns the CSS class suffix for status styling.
    pub fn css_class(&self) -> &'static str {
        match self {
            Self::Active => "active",
            Self::Inactive => "inactive",
            Self::Error => "error",
        }
    }
}

/// An MCP (Model Context Protocol) tool entry.
///
/// # Fields
///
/// * `id` - Unique tool identifier
/// * `name` - Human-readable display name
/// * `description` - Brief description of what the tool does
/// * `category` - Classification category
/// * `status` - Current running status
/// * `enabled` - Whether the tool is toggled on by the user
/// * `icon` - Icon identifier for rendering
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct McpTool {
    pub id: String,
    pub name: String,
    pub description: String,
    pub category: ToolCategory,
    pub status: ToolStatus,
    pub enabled: bool,
    pub icon: String,
}