// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

package uri

import (
	"database/sql/driver"
	"fmt"
	"net/url"
)

// URI is a validated absolute URI (scheme + host required).
type URI string

func Parse(raw string) (URI, error) {
	u, err := url.Parse(raw)
	if err != nil || u.Scheme == "" || u.Host == "" {
		return "", fmt.Errorf("%q is not a valid URI", raw)
	}

	return URI(raw), nil
}

func (u URI) String() string { return string(u) }

func (u *URI) UnmarshalText(text []byte) error {
	parsed, err := Parse(string(text))
	if err != nil {
		return err
	}

	*u = parsed
	return nil
}

func (u URI) MarshalText() ([]byte, error) {
	return []byte(u), nil
}

func (u *URI) Scan(value any) error {
	var s string
	switch v := value.(type) {
	case string:
		s = v
	case []byte:
		s = string(v)
	default:
		return fmt.Errorf("unsupported type for URI: %T", value)
	}

	parsed, err := Parse(s)
	if err != nil {
		return err
	}

	*u = parsed
	return nil
}

func (u URI) Value() (driver.Value, error) {
	return u.String(), nil
}