pub mod clickhouse_driver;
pub mod mongo_driver;
pub mod mysql;
pub mod oracle_driver;
pub mod postgres;
pub mod redis_driver;
pub mod sqlite;
pub mod sqlserver;
pub mod ssh_tunnel;

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DatabaseInfo {
    pub name: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TableInfo {
    pub name: String,
    pub table_type: String, // "TABLE" or "VIEW"
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ColumnInfo {
    pub name: String,
    pub data_type: String,
    pub is_nullable: bool,
    pub column_default: Option<String>,
    pub is_primary_key: bool,
    pub extra: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct QueryResult {
    pub columns: Vec<String>,
    pub rows: Vec<Vec<serde_json::Value>>,
    pub affected_rows: u64,
    pub execution_time_ms: u128,
    #[serde(default)]
    pub truncated: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct IndexInfo {
    pub name: String,
    pub columns: Vec<String>,
    pub is_unique: bool,
    pub is_primary: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ForeignKeyInfo {
    pub name: String,
    pub column: String,
    pub ref_table: String,
    pub ref_column: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TriggerInfo {
    pub name: String,
    pub event: String,
    pub timing: String,
}