import { NextResponse } from "next/server";
import { SkillsService } from "@/services";
import { loadSkillCategoriesFromFiles } from "@/lib/skill-file-loader";

export async function POST() {
  try {
    console.log("🚀 Starting skills migration via API...");

    // Load all skill categories from JSON files
    const skillCategories = loadSkillCategoriesFromFiles();

    console.log(`📊 Found ${skillCategories.length} categories`);

    const totalSkills = skillCategories.reduce(
      (sum, cat) => sum + cat.skills.length,
      0
    );
    console.log(`🎯 Total skills to migrate: ${totalSkills}`);

    // Bulk insert into database
    await SkillsService.bulkInsertSkillsFromJSON(skillCategories);

    console.log("✅ Skills migration completed successfully!");

    // Verify the migration
    const categoriesFromDb = await SkillsService.getSkillCategories();
    const totalSkillsInDb = categoriesFromDb.reduce(
      (sum, cat) => sum + cat.skills.length,
      0
    );

    return NextResponse.json({
      success: true,
      message: "Skills migration completed successfully",
      stats: {
        categoriesMigrated: skillCategories.length,
        skillsMigrated: totalSkills,
        categoriesInDb: categoriesFromDb.length,
        skillsInDb: totalSkillsInDb,
      },
    });
  } catch (error) {
    console.error("❌ Migration failed:", error);
    return NextResponse.json(
      {
        error: "Failed to migrate skills",
        details: error instanceof Error ? error.message : "Unknown error",
      },
      { status: 500 }
    );
  }
}