'use client'

import { useEffect, useState } from 'react'
import { useRouter } from 'next/navigation'
import { Badge, Card } from 'flowbite-react'
import { LuFileText } from 'react-icons/lu'
import { IoIosArrowRoundBack } from 'react-icons/io'
import Link from 'next/link'

import { useAuth } from '@/lib/context/AuthContext'
import { capitalizeWords } from '@/lib/utils/string'
import { handleApiError } from '@/lib/utils/error-handler'
import { getAgent } from '@/lib/services/agent-services'
import FullPageLoader from '@/lib/components/FullPageLoader'
import { AgentData } from '../types'

interface MainContentProps {
  agentId: string
}

export default function MainContent({ agentId }: MainContentProps) {
  const router = useRouter()
  const { user } = useAuth()
  const [isLoading, setIsLoading] = useState(true)
  const [agent, setAgent] = useState<AgentData | null>(null)

  useEffect(() => {
    getAgent(Number(agentId))
      .then(setAgent)
      .catch((error) => {
        handleApiError(error, 'An unexpected error occurred.')
        router.replace('/agents')
      })
      .finally(() => {
        setIsLoading(false)
      })
  }, [agentId, router])

  // Authorize User
  useEffect(() => {
    if (user && user.role !== 'super_admin' && user.role !== 'manager') {
      router.replace('/')
    }
  }, [user, router])

  if (isLoading) {
    return <FullPageLoader />
  }

  return (
    <article className="max-w-3xl mx-auto space-y-8 py-8">
      <Link
        href={`/agents`}
        className="text-blue-500 hover:underline font-medium mb-8 flex items-center gap-2"
      >
        <IoIosArrowRoundBack className="inline w-6 h-6" />
        Back to Agents
      </Link>

      {/* Business Details */}
      <Card className="shadow-none">
        <h2 className="text-2xl font-semibold text-gray-900 mb-4">
          Business Details
        </h2>

        <div className="grid grid-cols-1 space-y-5 sm:gap-2 sm:grid-cols-2">
          <div>
            <h3 className="text-sm font-medium text-gray-500">Business Name</h3>
            <p className="mt-1 text-gray-900">{agent?.business_name}</p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">
              Business Email
            </h3>
            <p className="mt-1 text-gray-900">{agent?.business_email}</p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">Category</h3>
            <Badge
              color={agent?.category === 'online' ? 'blue' : 'green'}
              size="xs"
              className="w-fit mt-2"
            >
              {capitalizeWords(agent?.category || '')}
            </Badge>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">Guest Market</h3>
            <p className="mt-1 text-gray-900">{agent?.guest_market}</p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">
              Business Address
            </h3>
            <p className="mt-1 text-gray-900">{agent?.business_address}</p>
          </div>
        </div>
      </Card>

      {/* Contact Person */}
      <Card className="shadow-none">
        <h2 className="text-2xl font-semibold text-gray-900 mb-4">
          Contact Person
        </h2>

        <div className="grid grid-cols-1 space-y-5 sm:gap-2 sm:grid-cols-2">
          <div>
            <h3 className="text-sm font-medium text-gray-500">Name</h3>
            <p className="mt-1 text-gray-900">{agent?.contact_person?.name}</p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">Email</h3>
            <p className="mt-1 text-gray-900">{agent?.contact_person?.email}</p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">Phone Number</h3>
            <p className="mt-1 text-gray-900">
              {agent?.contact_person?.phone_number}
            </p>
          </div>

          <div>
            <h3 className="text-sm font-medium text-gray-500">Position</h3>
            <p className="mt-1 text-gray-900">
              {agent?.contact_person?.position}
            </p>
          </div>
        </div>
      </Card>

      {/* Bank Account */}
      {agent?.bank_account && (
        <Card className="shadow-none">
          <h2 className="text-2xl font-semibold text-gray-900 mb-4">
            Bank Account
          </h2>

          <div className="grid grid-cols-1 space-y-5 sm:gap-2 sm:grid-cols-2">
            <div>
              <h2 className="text-sm font-medium text-gray-500">Bank Name</h2>
              <p className="mt-1 text-gray-900">
                {agent?.bank_account?.bank_name}
              </p>
            </div>

            <div>
              <h2 className="text-sm font-medium text-gray-500">
                Account Number
              </h2>
              <p className="mt-1 text-gray-900 font-mono font-semibold">
                {agent?.bank_account?.account_number}
              </p>
            </div>

            <div>
              <h2 className="text-sm font-medium text-gray-500">
                Account Name
              </h2>
              <p className="mt-1 text-gray-900">
                {agent?.bank_account?.account_name}
              </p>
            </div>
          </div>
        </Card>
      )}

      {/* Agreement Document */}
      {agent?.agreement_document_url && (
        <Card className="shadow-none">
          <h2 className="text-2xl font-semibold text-gray-900 mb-4">
            Agreement Document
          </h2>

          <a
            href={agent.agreement_document_url}
            target="_blank"
            rel="noopener noreferrer"
            className="inline-flex items-center gap-3 rounded-xl border border-blue-100 bg-blue-50/50 px-5 py-4 text-blue-600 transition-colors hover:bg-blue-100/60"
          >
            <LuFileText className="h-5 w-5 shrink-0" />
            <span className="text-sm font-medium truncate">
              {agent.agreement_document_url}
            </span>
          </a>
        </Card>
      )}
    </article>
  )
}