#!/usr/bin/env node
/**
 * Seed script — injects mock data into the VidReview database.
 *
 * Creates:
 *   1 admin
 *   3 members (each owns 2-3 projects)
 *   Per project: 1 editor + 1 reviewer (taken from the 3 members)
 *
 * Usage:
 *   node scripts/seed-mock-data.js
 *
 * Env vars (optional, defaults work for local docker):
 *   DATABASE_URL=postgresql://vidreview:vidreview123@localhost:5432/vidreview
 */

import { PrismaClient } from '@prisma/client';
import bcrypt from 'bcryptjs';

const prisma = new PrismaClient();

const BCRYPT_ROUNDS = 10;
const PASSWORD = 'demo1234';

async function cleanAll() {
  console.log('\n🧹 Cleaning existing data...');
  await prisma.comment.deleteMany();
  await prisma.asset.deleteMany();
  await prisma.invitation.deleteMany();
  await prisma.projectMember.deleteMany();
  await prisma.project.deleteMany();
  await prisma.user.deleteMany();
  console.log('   All tables cleared.');
}

async function createUser(email: string, name: string, globalRole: 'ADMIN' | 'MEMBER', projectRole?: 'ADMIN' | 'EDITOR' | 'REVIEWER' | 'VIEWER') {
  const password = await bcrypt.hash(PASSWORD, BCRYPT_ROUNDS);
  return prisma.user.create({
    data: { email, name, password, globalRole, storageQuota: 524288000, storageUsed: 0 },
    select: { id: true, email: true, name: true, globalRole: true },
  });
}

async function createProject(name: string, ownerId: string, editorId: string, reviewerId: string) {
  const slug = name.toLowerCase().replace(/\s+/g, '-');

  // Create project
  const project = await prisma.project.create({
    data: {
      name,
      ownerId,
    },
  });

  // Add owner as ADMIN of project
  await prisma.projectMember.create({
    data: { userId: ownerId, projectId: project.id, role: 'ADMIN', invitedBy: ownerId },
  });

  // Add editor
  await prisma.projectMember.create({
    data: { userId: editorId, projectId: project.id, role: 'EDITOR', invitedBy: ownerId },
  });

  // Add reviewer
  await prisma.projectMember.create({
    data: { userId: reviewerId, projectId: project.id, role: 'REVIEWER', invitedBy: ownerId },
  });

  return project;
}

async function main() {
  console.log('\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('  VidReview — Mock Data Seeder');
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

  await cleanAll();

  // ── 1. Admin ──────────────────────────────────────────────────────────────
  const admin = await createUser('admin@vidreview.local', 'Admin', 'ADMIN');
  console.log(`✅ Admin created`);

  // ── 2. Members ────────────────────────────────────────────────────────────
  const memberDefs = [
    { email: 'alice@vidreview.local', name: 'Alice Johnson' },
    { email: 'bob@vidreview.local',    name: 'Bob Smith'     },
    { email: 'carol@vidreview.local',  name: 'Carol White'   },
  ];

  const members = await Promise.all(
    memberDefs.map(m => createUser(m.email, m.name, 'MEMBER'))
  );
  console.log(`✅ ${members.length} members created`);

  // ── 3. Projects per member ─────────────────────────────────────────────────
  const projectDefs = [
    // Alice owns 3 projects
    { name: 'Brand Campaign Q2',       ownerIdx: 0, editorIdx: 1, reviewerIdx: 2 },
    { name: 'Product Launch Video',    ownerIdx: 0, editorIdx: 2, reviewerIdx: 1 },
    { name: 'Internal Training Clips', ownerIdx: 0, editorIdx: 1, reviewerIdx: 2 },

    // Bob owns 2 projects
    { name: 'Customer Testimonials',   ownerIdx: 1, editorIdx: 0, reviewerIdx: 2 },
    { name: 'Event Highlights Reel',    ownerIdx: 1, editorIdx: 2, reviewerIdx: 0 },

    // Carol owns 3 projects
    { name: 'Social Media Shorts',     ownerIdx: 2, editorIdx: 0, reviewerIdx: 1 },
    { name: 'How-To Tutorial Series',  ownerIdx: 2, editorIdx: 1, reviewerIdx: 0 },
    { name: 'Partner Collaboration',   ownerIdx: 2, editorIdx: 0, reviewerIdx: 1 },
  ];

  const projects = await Promise.all(
    projectDefs.map(p =>
      createProject(
        p.name,
        members[p.ownerIdx].id,
        members[p.editorIdx].id,
        members[p.reviewerIdx].id,
      )
    )
  );
  console.log(`✅ ${projects.length} projects created\n`);

  // ── Output credentials table ───────────────────────────────────────────────
  const divider = '─'.repeat(72);
  console.log(divider);
  console.log('  📋  Login Credentials');
  console.log(divider);
  console.log(`  ${'Type'.padEnd(10)} ${'Name'.padEnd(22)} ${'Email'.padEnd(35)} Password`);
  console.log(divider);
  console.log(`  ${'ADMIN'.padEnd(10)} ${admin.name.padEnd(22)} ${admin.email.padEnd(35)} ${PASSWORD}`);
  for (const m of members) {
    console.log(`  ${'MEMBER'.padEnd(10)} ${m.name.padEnd(22)} ${m.email.padEnd(35)} ${PASSWORD}`);
  }
  console.log(divider);
  console.log(`\n  All users have storage quota: 500 MB`);
  console.log(`  Password for all accounts: ${PASSWORD}`);
  console.log('');
  console.log('  Project membership per user:');
  console.log(divider);
  for (const m of members) {
    const memberProjects = projects.filter((_, i) => projectDefs[i].ownerIdx === members.indexOf(m));
    const roleMap: Record<string, string> = {};
    for (const proj of memberProjects) {
      const def = projectDefs.find(p => p.name === proj.name)!;
      const role = members[projectDefs.findIndex(p => p.name === proj.name)].id === m.id
        ? 'owner → project ADMIN'
        : `project ${projectDefs.findIndex(p => p.name === proj.name) < 3 ? ['EDITOR', 'REVIEWER', 'EDITOR'][projectDefs.findIndex(p => p.name === proj.name) % 3] : ['REVIEWER', 'EDITOR', 'REVIEWER'][projectDefs.findIndex(p => p.name === proj.name) % 3]}`;
    }
    const memberships = await prisma.projectMember.findMany({
      where: { userId: m.id },
      include: { project: true },
    });
    const roles = await prisma.projectMember.findMany({ where: { userId: m.id } });
    const lines = memberships.map((pm, i) => {
      const def = projectDefs.find(p => p.name === pm.project.name)!;
      const role = pm.userId === members[def.ownerIdx].id ? 'ADMIN (owner)' : roles[i].role;
      return `    • ${pm.project.name.padEnd(30)} [${role}]`;
    });
    console.log(`  ${m.name} (${m.email}):`);
    lines.forEach(l => console.log(l));
  }
  console.log(divider);
  console.log('\n✅ Done!\n');

  await prisma.$disconnect();
}

main().catch(err => {
  console.error('\n❌ Seed failed:', err);
  process.exit(1);
});