import type { ReactNode } from "react"

import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "~/components/ui/card"
import { Button } from "~/components/ui/button"
import { DialogError } from "~/components/data-state"

/**
 * The shared frame every tenant-detail settings tab renders through: a titled
 * card whose footer holds a Save button and, on failure, an inline error in the
 * same place (never a page-level banner). Keeps the eight tabs visually and
 * behaviourally identical so the operator learns the surface once.
 */
export function TenantSection({
  title,
  description,
  children,
  onSubmit,
  saving,
  error,
  errorContext,
  saveLabel = "Save changes",
  dirty = true,
  dataAction,
  footerExtra,
}: {
  title: string
  description?: ReactNode
  children: ReactNode
  onSubmit: () => void
  saving: boolean
  error: unknown
  errorContext: string
  saveLabel?: string
  /** Disable Save until something changed. Defaults to always-enabled. */
  dirty?: boolean
  dataAction: string
  /** Rendered to the left of Save (e.g. a "Send test" or "Remove" button). */
  footerExtra?: ReactNode
}) {
  return (
    <Card>
      <CardHeader>
        <CardTitle>{title}</CardTitle>
        {description ? <CardDescription>{description}</CardDescription> : null}
      </CardHeader>
      <CardContent>
        <form
          onSubmit={(e) => {
            e.preventDefault()
            onSubmit()
          }}
          className="flex flex-col gap-5"
        >
          {children}

          {error ? <DialogError error={error} context={errorContext} /> : null}

          <div className="flex items-center justify-between gap-2 pt-1">
            <div>{footerExtra}</div>
            <Button type="submit" disabled={saving || !dirty} data-action={dataAction}>
              {saving ? "Saving…" : saveLabel}
            </Button>
          </div>
        </form>
      </CardContent>
    </Card>
  )
}

/** A labelled form row — label, control, and an optional hint underneath. */
export function Field({
  label,
  htmlFor,
  hint,
  children,
}: {
  label: string
  htmlFor?: string
  hint?: ReactNode
  children: ReactNode
}) {
  return (
    <div className="flex flex-col gap-1.5">
      <label htmlFor={htmlFor} className="text-sm font-medium">
        {label}
      </label>
      {children}
      {hint ? <p className="text-xs text-muted-foreground">{hint}</p> : null}
    </div>
  )
}