use db::issue::comment as comment_entity;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use time::format_description::well_known::Rfc3339;
use utoipa::{IntoParams, ToSchema};
use uuid::Uuid;

fn fmt_ts(ts: OffsetDateTime) -> String {
    ts.format(&Rfc3339).unwrap_or_default()
}
fn fmt_ts_opt(ts: Option<OffsetDateTime>) -> Option<String> {
    ts.map(fmt_ts)
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CommentView {
    pub id: Uuid,
    pub issue_id: Option<Uuid>,
    pub parent_id: Option<Uuid>,
    pub poster_id: Uuid,
    pub content: String,
    pub created_at: String,
    pub updated_at: Option<String>,
}

impl From<comment_entity::Model> for CommentView {
    fn from(m: comment_entity::Model) -> Self {
        Self {
            id: m.id,
            issue_id: m.issue_id,
            parent_id: m.parent_id,
            poster_id: m.poster_id,
            content: m.content,
            created_at: fmt_ts(m.created_at),
            updated_at: fmt_ts_opt(m.updated_at),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CommentPage {
    pub items: Vec<CommentView>,
    pub total: i64,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CreateCommentOption {
    pub content: String,
    pub parent_id: Option<Uuid>,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct UpdateCommentOption {
    pub content: String,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema, IntoParams)]
pub struct ListCommentQuery {
    pub parent_id: Option<Uuid>,
    pub limit: Option<u64>,
    pub offset: Option<u64>,
}