import { Pencil, Trash2 } from 'lucide-react'
import { toast } from 'sonner'
import { Button } from '@/components/ui/button'
import { useDeleteEntry, useRestoreEntry } from '@/lib/entries'
import { formatDate, formatMoney, formatWeekday } from '@/lib/format'
import { group } from '@/lib/groups'
import { groupByDay } from '@/lib/ledger'
import { t } from '@/lib/strings'
import { cn } from '@/lib/utils'
import type { CatalogItem } from '@/types/CatalogItem'
import type { Entry } from '@/types/Entry'

const s = t.ledger

/**
 * Haftanın girişleri, gün gün. Sil → bildirimde "Geri al" (sunucuda soft delete + restore).
 * Kategori ve ödeme türü adları pasifler dahil listeden bulunur (eski kayıtlar da adıyla görünür).
 */
export function EntryList({
  periodId,
  entries,
  categories,
  methods,
  editingId,
  readOnly = false,
  onEdit,
  onDeleted,
}: {
  periodId: string
  entries: Entry[]
  categories: CatalogItem[]
  methods: CatalogItem[]
  editingId?: string
  /** Kapalı dönem: düzenle/sil yok */
  readOnly?: boolean
  onEdit: (e: Entry) => void
  onDeleted: (id: string) => void
}) {
  const del = useDeleteEntry(periodId)
  const restore = useRestoreEntry(periodId)
  const catName = (id: string) => categories.find((c) => c.id === id)
  const pmName = (id: string | null) => (id ? methods.find((m) => m.id === id)?.name : undefined)

  function remove(e: Entry, name: string) {
    del.mutate(e.id, {
      onSuccess: () => {
        onDeleted(e.id)
        toast(s.deleted, {
          description: `${formatMoney(e.amount)} · ${name}`,
          duration: 8000,
          action: {
            label: s.undo,
            onClick: () =>
              restore.mutate(e.id, {
                onSuccess: () => toast.success(s.restored),
                onError: (err) => toast.error(err.message),
              }),
          },
        })
      },
      onError: (err) => toast.error(err.message),
    })
  }

  if (entries.length === 0) {
    return <p className="text-sm text-muted-foreground">{s.empty}</p>
  }

  return (
    <div className="space-y-4">
      {groupByDay(entries).map((day) => (
        <section key={day.date} aria-label={`${formatWeekday(day.date)} ${formatDate(day.date)}`}>
          <div className="mb-1 flex items-baseline justify-between gap-2 border-b pb-1 text-sm">
            <h4 className="font-medium">
              {formatWeekday(day.date)}{' '}
              <span className="text-muted-foreground">{formatDate(day.date)}</span>
            </h4>
            <span className="money text-muted-foreground" title={s.dayTotal}>
              {formatMoney(day.total)}
            </span>
          </div>
          <ul className="divide-y">
            {day.entries.map((e) => {
              const g = group(e.group)
              const cat = catName(e.category_id)
              const name = cat?.name ?? '—'
              const editing = e.id === editingId
              const details = [g.label, pmName(e.payment_method_id), e.description].filter(Boolean)
              return (
                <li
                  key={e.id}
                  className={cn(
                    'flex items-center gap-2 py-2',
                    editing && '-mx-2 rounded-lg bg-muted px-2',
                  )}
                >
                  <span
                    aria-hidden
                    className={cn(
                      'flex size-9 shrink-0 items-center justify-center rounded-full text-lg',
                      g.className.soft,
                    )}
                  >
                    {cat?.emoji ?? g.emoji}
                  </span>
                  <div className="min-w-0 flex-1">
                    <p className="truncate font-medium">
                      {name}
                      {editing && (
                        <span className="ml-2 text-xs font-normal text-muted-foreground">
                          · {s.editing}
                        </span>
                      )}
                    </p>
                    <p className="truncate text-xs text-muted-foreground">
                      <span className={g.className.text}>{details[0]}</span>
                      {details.slice(1).map((d) => ` · ${d}`)}
                    </p>
                  </div>
                  <span className={cn('money shrink-0 font-medium', e.amount < 0 && 'text-income')}>
                    {e.amount < 0 && <span className="mr-1 text-xs font-normal">{s.refund}</span>}
                    {formatMoney(e.amount)}
                  </span>
                  {!readOnly && (
                    <div className="flex shrink-0">
                      <Button
                        variant="ghost"
                        size="icon"
                        aria-label={s.edit(name)}
                        aria-pressed={editing}
                        onClick={() => onEdit(e)}
                      >
                        <Pencil aria-hidden />
                      </Button>
                      <Button
                        variant="ghost"
                        size="icon"
                        aria-label={s.remove(name)}
                        className="text-muted-foreground hover:text-expense"
                        disabled={del.isPending && del.variables === e.id}
                        onClick={() => remove(e, name)}
                      >
                        <Trash2 aria-hidden />
                      </Button>
                    </div>
                  )}
                </li>
              )
            })}
          </ul>
        </section>
      ))}
    </div>
  )
}