use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

/// 插件数据记录响应
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct PluginDataResp {
    pub id: String,
    pub data: serde_json::Value,
    pub created_at: Option<DateTime<Utc>>,
    pub updated_at: Option<DateTime<Utc>>,
    pub version: Option<i32>,
}

/// 创建插件数据请求
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct CreatePluginDataReq {
    pub data: serde_json::Value,
}

/// 更新插件数据请求（全量替换）
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct UpdatePluginDataReq {
    pub data: serde_json::Value,
    pub version: i32,
}

/// 部分更新请求（PATCH — 只合并提供的字段）
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct PatchPluginDataReq {
    pub data: serde_json::Value,
    pub version: i32,
}

/// 插件数据列表查询参数
#[derive(Debug, Serialize, Deserialize, utoipa::IntoParams)]
pub struct PluginDataListParams {
    pub page: Option<u64>,
    pub page_size: Option<u64>,
    /// Base64 编码的游标（用于 Keyset 分页）
    pub cursor: Option<String>,
    pub search: Option<String>,
    /// JSON 格式过滤: {"field":"value"}
    pub filter: Option<String>,
    pub sort_by: Option<String>,
    /// "asc" or "desc"
    pub sort_order: Option<String>,
}

/// 聚合查询响应项
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct AggregateItem {
    /// 分组键（字段值）
    pub key: String,
    /// 计数
    pub count: i64,
}

/// 聚合查询参数
#[derive(Debug, Serialize, Deserialize, utoipa::IntoParams)]
pub struct AggregateQueryParams {
    /// 分组字段名
    pub group_by: String,
    /// JSON 格式过滤: {"field":"value"}
    pub filter: Option<String>,
}

/// 统计查询参数
#[derive(Debug, Serialize, Deserialize, utoipa::IntoParams)]
pub struct CountQueryParams {
    /// 搜索关键词
    pub search: Option<String>,
    /// JSON 格式过滤: {"field":"value"}
    pub filter: Option<String>,
}

/// 批量操作请求
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct BatchActionReq {
    /// 操作类型: "batch_delete" 或 "batch_update"
    pub action: String,
    /// 记录 ID 列表（上限 100）
    pub ids: Vec<String>,
    /// batch_update 时的更新数据
    pub data: Option<serde_json::Value>,
}

/// 时间序列查询参数
#[derive(Debug, Serialize, Deserialize, utoipa::IntoParams)]
pub struct TimeseriesParams {
    /// 时间字段名
    pub time_field: String,
    /// 时间粒度: "day" / "week" / "month"
    pub time_grain: String,
    /// 开始日期 (ISO)
    pub start: Option<String>,
    /// 结束日期 (ISO)
    pub end: Option<String>,
}

/// 时间序列数据项
#[derive(Debug, Serialize, Deserialize, utoipa::ToSchema)]
pub struct TimeseriesItem {
    /// 时间周期
    pub period: String,
    /// 计数
    pub count: i64,
}