---
import { Icon } from 'astro-icon/components'
import { z } from 'astro:content'
import { orderBy as lodashOrderBy } from 'lodash-es'

import Button from '../../../components/Button.astro'
import SortArrowIcon from '../../../components/SortArrowIcon.astro'
import TimeFormatted from '../../../components/TimeFormatted.astro'
import Tooltip from '../../../components/Tooltip.astro'
import UserBadge from '../../../components/UserBadge.astro'
import BaseLayout from '../../../layouts/BaseLayout.astro'
import { zodParseQueryParamsStoringErrors } from '../../../lib/parseUrlFilters'
import { pluralize } from '../../../lib/pluralize'
import { prisma } from '../../../lib/prisma'
import { formatDateShort } from '../../../lib/timeAgo'
import { urlWithParams } from '../../../lib/urls'

import type { Prisma } from '@prisma/client'

const { data: filters } = zodParseQueryParamsStoringErrors(
  {
    'sort-by': z.enum(['name', 'role', 'lastLoginAt', 'karma', 'createdAt']).default('createdAt'),
    'sort-order': z.enum(['asc', 'desc']).default('desc'),
    search: z.string().optional(),
    role: z.enum(['user', 'admin', 'moderator', 'verified', 'spammer']).optional(),
  },
  Astro
)

// Set up Prisma orderBy with correct typing
const prismaOrderBy =
  filters['sort-by'] === 'name' ||
  filters['sort-by'] === 'createdAt' ||
  filters['sort-by'] === 'lastLoginAt' ||
  filters['sort-by'] === 'karma'
    ? {
        [filters['sort-by'] === 'karma' ? 'totalKarma' : filters['sort-by']]:
          filters['sort-order'] === 'asc' ? 'asc' : 'desc',
      }
    : { createdAt: 'desc' as const }

// Build where clause based on role filter
const whereClause: Prisma.UserWhereInput = {}

if (filters.search) {
  whereClause.OR = [{ name: { contains: filters.search, mode: 'insensitive' } }]
}

if (filters.role) {
  switch (filters.role) {
    case 'user': {
      whereClause.admin = false
      whereClause.moderator = false
      whereClause.verified = false
      whereClause.spammer = false
      break
    }
    case 'admin': {
      whereClause.admin = true
      break
    }
    case 'moderator': {
      whereClause.moderator = true
      break
    }
    case 'verified': {
      whereClause.verified = true
      break
    }
    case 'spammer': {
      whereClause.spammer = true
      break
    }
  }
}

// Retrieve users from the database
const dbUsers = await prisma.user.findMany({
  where: whereClause,
  select: {
    id: true,
    name: true,
    displayName: true,
    picture: true,
    verified: true,
    admin: true,
    moderator: true,
    spammer: true,
    totalKarma: true,
    createdAt: true,
    updatedAt: true,
    lastLoginAt: true,
    internalNotes: {
      select: {
        id: true,
        content: true,
        createdAt: true,
      },
    },
    _count: {
      select: {
        suggestions: true,
        comments: true,
      },
    },
  },
  orderBy: prismaOrderBy,
})

const users =
  filters['sort-by'] === 'role'
    ? lodashOrderBy(dbUsers, [(u) => (u.admin ? 'admin' : 'user')], [filters['sort-order']])
    : dbUsers

const makeSortUrl = (sortBy: NonNullable<(typeof filters)['sort-by']>) => {
  return urlWithParams(Astro.url, {
    'sort-by': sortBy,
    'sort-order': filters['sort-by'] === sortBy && filters['sort-order'] === 'asc' ? 'desc' : 'asc',
  })
}
---

<BaseLayout pageTitle="User Management" widthClassName="max-w-screen-xl">
  <div class="mb-6 flex flex-col sm:flex-row sm:items-center sm:justify-between">
    <h1 class="font-title text-2xl font-bold text-white">User Management</h1>
    <div class="mt-2 flex items-center gap-4 sm:mt-0">
      <span class="text-sm text-zinc-400">{users.length} users</span>
    </div>
  </div>

  <div class="mb-6 rounded-lg border border-zinc-700 bg-zinc-800/50 p-4 shadow-lg">
    <form method="GET" class="grid gap-3 md:grid-cols-2" autocomplete="off">
      <div>
        <label for="search" class="block text-xs font-medium text-zinc-400">Search</label>
        <input
          type="text"
          name="search"
          id="search"
          value={filters.search}
          placeholder="Search by name..."
          class="mt-1 w-full rounded-md border border-zinc-700 bg-zinc-900 px-3 py-2 text-sm text-zinc-200 placeholder-zinc-500 focus:border-blue-500 focus:ring-blue-500 focus:outline-none"
        />
      </div>
      <div>
        <label for="role-filter" class="block text-xs font-medium text-zinc-400">Filter by Role/Status</label>
        <div class="mt-1 flex">
          <select
            name="role"
            id="role-filter"
            class="w-full rounded-l-md border border-r-0 border-zinc-700 bg-zinc-900 px-3 py-2 text-sm text-zinc-200 focus:border-blue-500 focus:ring-blue-500 focus:outline-none"
          >
            <option value="" selected={!filters.role}>All Users</option>
            <option value="user" selected={filters.role === 'user'}>Regular Users</option>
            <option value="admin" selected={filters.role === 'admin'}>Admins</option>
            <option value="moderator" selected={filters.role === 'moderator'}>Moderators</option>
            <option value="verified" selected={filters.role === 'verified'}>Verified Users</option>
            <option value="spammer" selected={filters.role === 'spammer'}>Spammers</option>
          </select>
          <Button
            as="button"
            type="submit"
            color="info"
            variant="solid"
            size="md"
            iconOnly
            icon="ri:search-2-line"
            label="Search"
            class="rounded-l-none"
          />
        </div>
      </div>
    </form>
  </div>

  <div class="rounded-lg border border-zinc-700 bg-zinc-800/50 shadow-lg">
    <div class="sticky top-0 z-10 border-b border-zinc-700 bg-zinc-800/90 px-4 py-3 backdrop-blur-sm">
      <h2 class="font-title font-semibold text-blue-400">Users List</h2>
      <div class="mt-1 text-xs text-zinc-400 md:hidden">
        <span>Scroll horizontally to see more →</span>
      </div>
    </div>
    <div class="scrollbar-thin max-w-full overflow-x-auto">
      <div class="min-w-[900px]">
        <table class="w-full divide-y divide-zinc-700">
          <thead class="bg-zinc-900/30">
            <tr>
              <th
                class="w-[15%] px-4 py-3 text-left text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                <a href={makeSortUrl('name')} class="flex items-center hover:text-zinc-200">
                  Name <SortArrowIcon
                    active={filters['sort-by'] === 'name'}
                    sortOrder={filters['sort-order']}
                  />
                </a>
              </th>
              <th
                class="w-[15%] px-4 py-3 text-center text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                Status
              </th>
              <th
                class="w-[10%] px-4 py-3 text-left text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                <a href={makeSortUrl('role')} class="flex items-center hover:text-zinc-200">
                  Role <SortArrowIcon
                    active={filters['sort-by'] === 'role'}
                    sortOrder={filters['sort-order']}
                  />
                </a>
              </th>
              <th
                class="w-[10%] px-4 py-3 text-center text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                <a href={makeSortUrl('karma')} class="flex items-center justify-center hover:text-zinc-200">
                  Karma <SortArrowIcon
                    active={filters['sort-by'] === 'karma'}
                    sortOrder={filters['sort-order']}
                  />
                </a>
              </th>
              <th
                class="w-[15%] px-4 py-3 text-center text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                <div class="flex flex-wrap items-center justify-center gap-1">
                  <a
                    href={makeSortUrl('lastLoginAt')}
                    class="flex items-center justify-center hover:text-zinc-200"
                  >
                    Login <SortArrowIcon
                      active={filters['sort-by'] === 'lastLoginAt'}
                      sortOrder={filters['sort-order']}
                    />
                  </a>
                  <span class="text-zinc-600">/</span>
                  <a
                    href={makeSortUrl('createdAt')}
                    class="flex items-center justify-center hover:text-zinc-200"
                  >
                    Joined <SortArrowIcon
                      active={filters['sort-by'] === 'createdAt'}
                      sortOrder={filters['sort-order']}
                    />
                  </a>
                </div>
              </th>

              <th
                class="w-[15%] px-4 py-3 text-center text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                Activity
              </th>
              <th
                class="w-[15%] px-4 py-3 text-center text-xs font-medium tracking-wider text-zinc-400 uppercase"
              >
                Actions
              </th>
            </tr>
          </thead>
          <tbody class="divide-y divide-zinc-700 bg-zinc-800/10">
            {
              users.map((user) => (
                <tr
                  id={`user-${user.id}`}
                  class={`group hover:bg-zinc-700/30 ${user.spammer ? 'bg-red-900/10' : ''}`}
                >
                  <td class="px-4 py-3 text-sm font-medium text-zinc-200">
                    <UserBadge user={user} size="md" class="flex text-white" />
                    {user.internalNotes.length > 0 && (
                      <Tooltip
                        class="text-2xs font-light text-yellow-200/40"
                        position="right"
                        text={user.internalNotes
                          .map(
                            (note) =>
                              `${formatDateShort(note.createdAt, {
                                prefix: false,
                                hourPrecision: true,
                                caseType: 'sentence',
                              })}: ${note.content}`
                          )
                          .join('\n\n')}
                      >
                        <Icon name="ri:sticky-note-line" class="mr-0.5 inline-block size-3" />
                        {user.internalNotes.length} internal {pluralize('note', user.internalNotes.length)}
                      </Tooltip>
                    )}
                  </td>
                  <td class="px-4 py-3 text-sm">
                    <div class="flex flex-col items-center gap-1.5">
                      {user.spammer && (
                        <span class="inline-flex items-center gap-1 rounded-md bg-red-900/30 px-2 py-0.5 text-xs font-medium text-red-400">
                          <Icon name="ri:spam-2-fill" class="size-3.5" />
                          Spammer
                        </span>
                      )}
                      {user.verified && (
                        <span class="inline-flex items-center gap-1 rounded-md bg-green-900/30 px-2 py-0.5 text-xs font-medium text-green-400">
                          <Icon name="ri:checkbox-circle-fill" class="size-3.5" />
                          Verified
                        </span>
                      )}
                      {user.moderator && (
                        <span class="inline-flex items-center gap-1 rounded-md bg-blue-900/30 px-2 py-0.5 text-xs font-medium text-blue-400">
                          <Icon name="ri:shield-check-fill" class="size-3.5" />
                          Moderator
                        </span>
                      )}
                    </div>
                  </td>
                  <td class="px-4 py-3 text-sm">
                    <span
                      class={`inline-flex items-center rounded-full px-2.5 py-0.5 text-xs font-medium ${user.admin ? 'bg-purple-900/30 text-purple-300' : 'bg-zinc-700 text-zinc-300'}`}
                    >
                      {user.admin ? 'Admin' : 'User'}
                    </span>
                  </td>
                  <td class="px-4 py-3 text-center text-sm">
                    <span
                      class={`font-medium ${user.totalKarma >= 100 ? 'text-green-400' : user.totalKarma >= 0 ? 'text-zinc-300' : 'text-red-400'}`}
                    >
                      {user.totalKarma}
                    </span>
                  </td>
                  <td class="px-4 py-3 text-center text-sm">
                    <div class="flex flex-wrap items-center justify-center gap-1 text-center">
                      <TimeFormatted
                        class="text-zinc-300"
                        date={user.lastLoginAt}
                        hourPrecision
                        hoursShort
                        prefix={false}
                      />
                      <span class="text-zinc-600">/</span>
                      <TimeFormatted
                        class="text-zinc-400"
                        date={user.createdAt}
                        hourPrecision
                        hoursShort
                        prefix={false}
                      />
                    </div>
                  </td>
                  <td class="px-4 py-3">
                    <div class="flex justify-center gap-3">
                      <div class="flex flex-col items-center" title="Suggestions">
                        <span class="text-2xs text-zinc-400">Suggestions</span>
                        <span class="inline-flex items-center rounded-full bg-green-900/30 px-2.5 py-0.5 text-xs font-medium text-green-300">
                          {user._count.suggestions}
                        </span>
                      </div>
                      <div class="flex flex-col items-center" title="Comments">
                        <span class="text-2xs text-zinc-400">Comments</span>
                        <span class="inline-flex items-center rounded-full bg-purple-900/30 px-2.5 py-0.5 text-xs font-medium text-purple-300">
                          {user._count.comments}
                        </span>
                      </div>
                    </div>
                  </td>
                  <td class="px-4 py-3">
                    <div class="flex justify-center gap-2">
                      <Tooltip text="Impersonate">
                        <Button
                          as="a"
                          href={`/account/impersonate?targetUserId=${user.id}&redirect=/account`}
                          data-astro-prefetch="tap"
                          color="warning"
                          variant="faded"
                          size="sm"
                          iconOnly
                          icon="ri:spy-line"
                          label="Impersonate"
                          disabled={user.admin}
                        />
                      </Tooltip>
                      <Tooltip text="Edit">
                        <Button
                          as="a"
                          href={`/admin/users/${user.name}`}
                          color="info"
                          variant="faded"
                          size="sm"
                          iconOnly
                          icon="ri:edit-line"
                          label="Edit"
                        />
                      </Tooltip>
                      <Tooltip text="Public profile">
                        <Button
                          as="a"
                          href={`/u/${user.name}`}
                          color="success"
                          variant="faded"
                          size="sm"
                          iconOnly
                          icon="ri:global-line"
                          label="Public profile"
                        />
                      </Tooltip>
                    </div>
                  </td>
                </tr>
              ))
            }
          </tbody>
        </table>
      </div>
    </div>
  </div>
</BaseLayout>

<style>
  .text-2xs {
    font-size: 0.6875rem;
    line-height: 1rem;
  }
  .scrollbar-thin::-webkit-scrollbar {
    height: 6px;
    width: 6px;
  }
  .scrollbar-thin::-webkit-scrollbar-track {
    background: rgba(30, 41, 59, 0.2);
    border-radius: 3px;
  }
  .scrollbar-thin::-webkit-scrollbar-thumb {
    background: rgba(75, 85, 99, 0.5);
    border-radius: 3px;
  }
  .scrollbar-thin::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.6);
  }
  @media (max-width: 768px) {
    .scrollbar-thin {
      scrollbar-width: thin;
      scrollbar-color: rgba(75, 85, 99, 0.5) rgba(30, 41, 59, 0.2);
      -webkit-overflow-scrolling: touch;
    }
  }
</style>