use serde::{Deserialize, Serialize};
use uuid::Uuid;

use crate::error::AppError;
use crate::models::channels::ChannelRepoLink;
use crate::service::ImService;

use super::session::ImSession;

#[derive(Deserialize, Serialize, Clone, Debug, utoipa::ToSchema)]
pub struct CreateRepoLinkParams {
    pub repo_id: Uuid,
    pub link_type: String,
    pub notify_events: Vec<String>,
}

impl ImService {
    pub async fn repo_link_list(
        &self,
        _ctx: &ImSession,
        channel_id: Uuid,
    ) -> Result<Vec<ChannelRepoLink>, AppError> {
        sqlx::query_as::<_, ChannelRepoLink>(
            "SELECT id, channel_id, repo_id, link_type, notify_events, active, \
             created_by, created_at, updated_at \
             FROM channel_repo_link WHERE channel_id = $1 ORDER BY created_at",
        )
        .bind(channel_id)
        .fetch_all(self.ctx.db.reader())
        .await
        .map_err(AppError::Database)
    }

    pub async fn repo_link_create(
        &self,
        ctx: &ImSession,
        channel_id: Uuid,
        params: CreateRepoLinkParams,
    ) -> Result<ChannelRepoLink, AppError> {
        let now = chrono::Utc::now();
        sqlx::query_as::<_, ChannelRepoLink>(
            "INSERT INTO channel_repo_link \
             (id, channel_id, repo_id, link_type, notify_events, active, \
              created_by, created_at, updated_at) \
             VALUES ($1, $2, $3, $4::link_type, $5, true, $6, $7, $7) \
             RETURNING id, channel_id, repo_id, link_type, notify_events, active, \
             created_by, created_at, updated_at",
        )
        .bind(Uuid::now_v7())
        .bind(channel_id)
        .bind(params.repo_id)
        .bind(&params.link_type)
        .bind(&params.notify_events)
        .bind(ctx.user)
        .bind(now)
        .fetch_one(self.ctx.db.writer())
        .await
        .map_err(AppError::Database)
    }

    pub async fn repo_link_delete(
        &self,
        _ctx: &ImSession,
        link_id: Uuid,
    ) -> Result<(), AppError> {
        sqlx::query("DELETE FROM channel_repo_link WHERE id = $1")
            .bind(link_id)
            .execute(self.ctx.db.writer())
            .await
            .map_err(AppError::Database)?;
        Ok(())
    }
}