import { getServiceSupabase } from "@/lib/supabase/client";

export interface Project {
  id: string;
  name: string;
  description?: string;
  color: string;
  createdAt: string;
}

function toNonEmptyString(value: unknown): string | undefined {
  return typeof value === "string" && value.trim().length > 0 ? value : undefined;
}

function mapProjectRow(row: Record<string, unknown>): Project {
  return {
    id: String(row.id ?? ""),
    name: toNonEmptyString(row.name) ?? "Untitled Project",
    description: toNonEmptyString(row.description),
    color: toNonEmptyString(row.color) ?? "#3b82f6",
    createdAt: toNonEmptyString(row.created_at) ?? new Date().toISOString(),
  };
}

/**
 * Fetch all projects from Supabase
 */
export async function fetchAllProjects(): Promise<Project[]> {
  const supabase = getServiceSupabase();
  const { data, error } = await supabase
    .from("projects")
    .select("*")
    .order("created_at", { ascending: true });

  if (error) {
    console.error("Error fetching projects:", error);
    throw new Error(`Failed to fetch projects: ${error.message}`);
  }

  return (data || []).map((row) => mapProjectRow(row as Record<string, unknown>));
}

/**
 * Count total projects
 */
export async function countProjects(): Promise<number> {
  const supabase = getServiceSupabase();
  const { count, error } = await supabase
    .from("projects")
    .select("*", { count: "exact", head: true });

  if (error) {
    console.error("Error counting projects:", error);
    return 0;
  }

  return count || 0;
}