//! Scan all repos in a project for skills.

use crate::AppService;
use crate::error::AppError;
use models::repos::repo::Entity as RepoEntity;
use models::repos::repo::Column as RCol;
use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
use uuid::Uuid;

use super::scanner;

impl AppService {
    /// Scan all repositories in a project and sync skills from `.claude/skills/` directories.
    ///
    /// This is called automatically during `git hook sync` and can also be triggered
    /// manually via `POST /api/projects/{name}/skills/scan`.
    ///
    /// - Discovers skills in each repo's `.claude/skills/` folder
    /// - Upserts repo-sourced skills (source = "repo")
    /// - Removes skills whose source repo no longer has the file
    /// - Manual skills (source = "manual") are never affected
    pub async fn skill_scan_repos(
        &self,
        project_uid: Uuid,
        _caller_uid: Uuid,
    ) -> Result<scanner::ScanSyncResult, AppError> {
        // Collect all repo IDs for this project
        let repos: Vec<_> = RepoEntity::find()
            .filter(RCol::Project.eq(project_uid))
            .all(&self.db)
            .await?;

        let mut total_created = 0i64;
        let mut total_updated = 0i64;
        let mut total_removed = 0i64;
        let mut total_discovered = 0i64;

        for repo in repos {
            let result = scanner::scan_and_sync_skills(&self.db, project_uid, &repo).await?;
            total_created += result.created;
            total_updated += result.updated;
            total_removed += result.removed;
            total_discovered += result.discovered;
        }

        Ok(scanner::ScanSyncResult {
            discovered: total_discovered,
            created: total_created,
            updated: total_updated,
            removed: total_removed,
        })
    }
}