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

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

use super::session::ImSession;

#[derive(Deserialize, Serialize, Clone, Debug, utoipa::ToSchema)]
pub struct CreateCustomEmojiParams {
    pub name: String,
    pub url: String,
    pub animated: Option<bool>,
}

impl ImService {
    pub async fn custom_emoji_list(
        &self,
        _ctx: &ImSession,
        workspace_id: Uuid,
    ) -> Result<Vec<CustomEmoji>, AppError> {
        sqlx::query_as::<_, CustomEmoji>(
            "SELECT id, workspace_id, name, url, animated, managed, \
             created_by, created_at, updated_at \
             FROM custom_emoji WHERE workspace_id = $1 ORDER BY name",
        )
        .bind(workspace_id)
        .fetch_all(self.ctx.db.reader())
        .await
        .map_err(AppError::Database)
    }

    pub async fn custom_emoji_create(
        &self,
        ctx: &ImSession,
        workspace_id: Uuid,
        params: CreateCustomEmojiParams,
    ) -> Result<CustomEmoji, AppError> {
        let now = chrono::Utc::now();
        sqlx::query_as::<_, CustomEmoji>(
            "INSERT INTO custom_emoji \
             (id, workspace_id, name, url, animated, managed, created_by, created_at, updated_at) \
             VALUES ($1, $2, $3, $4, $5, false, $6, $7, $7) \
             RETURNING id, workspace_id, name, url, animated, managed, \
             created_by, created_at, updated_at",
        )
        .bind(Uuid::now_v7())
        .bind(workspace_id)
        .bind(&params.name)
        .bind(&params.url)
        .bind(params.animated.unwrap_or(false))
        .bind(ctx.user)
        .bind(now)
        .fetch_one(self.ctx.db.writer())
        .await
        .map_err(AppError::Database)
    }

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