import { CollectionConfig } from 'payload';

export const Users: CollectionConfig = {
  slug: 'users',
  auth: {
    tokenExpiration: 604800, // 7 days
    cookies: {
      secure: process.env.NODE_ENV === 'production',
      sameSite: 'Lax',
    },
  },
  admin: {
    useAsTitle: 'email',
    defaultColumns: ['email', 'name', 'role', 'createdAt'],
  },
  fields: [
    {
      name: 'name',
      type: 'text',
      required: true,
      localized: false,
    },
    {
      name: 'email',
      type: 'email',
      required: true,
      unique: true,
      index: true,
    },
    {
      name: 'role',
      type: 'select',
      options: [
        {
          label: 'User',
          value: 'user',
        },
        {
          label: 'Admin',
          value: 'admin',
        },
        {
          label: 'Super Admin',
          value: 'super-admin',
        },
      ],
      defaultValue: 'user',
      required: true,
      admin: {
        position: 'sidebar',
      },
    },
    {
      name: 'favoriteVersion',
      type: 'select',
      options: [
        { label: 'Cornilescu', value: 'VDC' },
        { label: 'NASB', value: 'NASB' },
        { label: 'RVR', value: 'RVR' },
        { label: 'NR', value: 'NR' },
      ],
      defaultValue: 'VDC',
      admin: {
        position: 'sidebar',
      },
    },
    {
      name: 'stripeCustomerId',
      type: 'text',
      unique: true,
      admin: {
        position: 'sidebar',
        readOnly: true,
        description: 'Automatically set by Stripe integration',
      },
    },
    {
      name: 'subscription',
      type: 'relationship',
      relationTo: 'subscriptions',
      hasMany: false,
      admin: {
        position: 'sidebar',
      },
    },
    {
      name: 'profileSettings',
      type: 'group',
      fields: [
        {
          name: 'fontSize',
          type: 'number',
          defaultValue: 16,
          min: 12,
          max: 24,
        },
        {
          name: 'theme',
          type: 'select',
          options: [
            { label: 'Light', value: 'light' },
            { label: 'Dark', value: 'dark' },
          ],
          defaultValue: 'light',
        },
        {
          name: 'showVerseNumbers',
          type: 'checkbox',
          defaultValue: true,
        },
        {
          name: 'enableNotifications',
          type: 'checkbox',
          defaultValue: true,
        },
      ],
      label: 'Profile Settings',
    },
    {
      name: 'activityLog',
      type: 'array',
      fields: [
        {
          name: 'action',
          type: 'text',
          required: true,
        },
        {
          name: 'timestamp',
          type: 'date',
          required: true,
          admin: {
            readOnly: true,
          },
        },
      ],
      admin: {
        readOnly: true,
        description: 'Automatically tracked user activities',
      },
    },
  ],
  hooks: {
    beforeChange: [
      async ({ data, operation }) => {
        if (operation === 'create' && !data.email) {
          throw new Error('Email is required');
        }
        return data;
      },
    ],
    afterChange: [
      async ({ doc, operation }) => {
        if (operation === 'create') {
          console.log(`New user created: ${doc.email}`);
        }
        return doc;
      },
    ],
  },
  access: {
    read: ({ req }) => {
      // Users can read their own data, admins can read all
      if (!req.user) {
        return false;
      }

      if (req.user.role === 'admin' || req.user.role === 'super-admin') {
        return true;
      }

      return {
        id: {
          equals: req.user.id,
        },
      };
    },
    create: () => {
      // Public can create accounts (registration)
      return true;
    },
    update: ({ req }) => {
      // Users can update their own data, admins can update all
      if (!req.user) {
        return false;
      }

      if (req.user.role === 'admin' || req.user.role === 'super-admin') {
        return true;
      }

      return {
        id: {
          equals: req.user.id,
        },
      };
    },
    delete: ({ req }) => {
      // Only super admins can delete users
      if (!req.user) {
        return false;
      }

      return req.user.role === 'super-admin';
    },
  },
};