Field

import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"

import { cn } from "@/lib/utils"
import { Label } from "@/components/ui/label"
import { Separator } from "@/components/ui/separator"

function FieldSet({ className, ...props }: React.ComponentProps<"fieldset">) {
  return (
    <fieldset
      data-slot="field-set"
      className={cn(
        "flex flex-col gap-6",
        "has-[>[data-slot=checkbox-group]]:gap-3 has-[>[data-slot=radio-group]]:gap-3",
        className
      )}
      {...props}
    />
  )
}

function FieldLegend({
  className,
  variant = "legend",
  ...props
}: React.ComponentProps<"legend"> & { variant?: "legend" | "label" }) {
  return (
    <legend
      data-slot="field-legend"
      data-variant={variant}
      className={cn(
        "mb-3 font-medium",
        "data-[variant=legend]:text-base",
        "data-[variant=label]:text-sm",
        className
      )}
      {...props}
    />
  )
}

function FieldGroup({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="field-group"
      className={cn(
        "group/field-group @container/field-group flex w-full flex-col gap-7 data-[slot=checkbox-group]:gap-3 [&>[data-slot=field-group]]:gap-4",
        className
      )}
      {...props}
    />
  )
}

const fieldVariants = cva(
  "group/field flex w-full gap-3 data-[invalid=true]:text-destructive",
  {
    variants: {
      orientation: {
        vertical: "flex-col [&>*]:w-full",
        horizontal: "flex-row items-center",
        responsive:
          "flex-col @md/field-group:flex-row @md/field-group:items-center [&>.sr-only]:@md/field-group:not-sr-only",
      },
    },
    defaultVariants: {
      orientation: "vertical",
    },
  }
)

function Field({
  className,
  orientation = "vertical",
  ...props
}: React.ComponentProps<"div"> & VariantProps<typeof fieldVariants>) {
  return (
    <div
      role="group"
      data-slot="field"
      data-orientation={orientation}
      className={cn(fieldVariants({ orientation, className }))}
      {...props}
    />
  )
}

function FieldContent({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="field-content"
      className={cn(
        "group/field-content flex flex-1 flex-col gap-1.5 leading-snug",
        className
      )}
      {...props}
    />
  )
}

function FieldLabel({
  className,
  ...props
}: React.ComponentProps<typeof Label>) {
  return (
    <Label
      data-slot="field-label"
      className={cn(
        "flex w-fit gap-2 leading-snug group-data-[disabled=true]/field:opacity-50 group-data-[orientation=horizontal]/field:has-[>[data-slot=field]]:w-full",
        className
      )}
      {...props}
    />
  )
}

function FieldTitle({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="field-title"
      className={cn(
        "flex w-fit items-center gap-2 text-sm leading-snug font-medium group-data-[disabled=true]/field:opacity-50",
        className
      )}
      {...props}
    />
  )
}

function FieldDescription({
  className,
  ...props
}: React.ComponentProps<"p">) {
  return (
    <p
      data-slot="field-description"
      className={cn(
        "text-muted-foreground text-sm leading-normal font-normal group-has-[[data-orientation=horizontal]]/field:text-balance",
        "last:mt-0",
        className
      )}
      {...props}
    />
  )
}

function FieldSeparator({
  children,
  className,
  ...props
}: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="field-separator"
      data-content={!!children}
      className={cn(
        "relative -my-2 h-5 text-sm group-data-[variant=outline]/field-group:-mb-2",
        className
      )}
      {...props}
    >
      <Separator className="absolute inset-0 top-1/2" />
      {children && (
        <span
          data-slot="field-separator-content"
          className="bg-background text-muted-foreground relative mx-auto block w-fit px-2"
        >
          {children}
        </span>
      )}
    </div>
  )
}

function FieldError({
  className,
  children,
  errors,
  ...props
}: React.ComponentProps<"div"> & {
  errors?: Array<{ message?: string } | undefined>
}) {
  const content = React.useMemo(() => {
    if (children) return children
    if (!errors) return null

    const filtered = errors.filter(
      (error): error is { message?: string } => Boolean(error?.message)
    )

    if (filtered.length === 1) return filtered[0].message

    return (
      <ul className="ml-4 flex list-disc flex-col gap-1">
        {filtered.map((error, index) => (
          <li key={index}>{error.message}</li>
        ))}
      </ul>
    )
  }, [children, errors])

  if (!content) return null

  return (
    <div
      role="alert"
      data-slot="field-error"
      className={cn("text-destructive text-sm font-normal", className)}
      {...props}
    >
      {content}
    </div>
  )
}

export {
  Field,
  FieldLabel,
  FieldDescription,
  FieldError,
  FieldGroup,
  FieldSeparator,
  FieldSet,
  FieldLegend,
  FieldContent,
  FieldTitle,
}