import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:freezer/settings.dart';

class LeadingIcon extends StatelessWidget {
  final IconData icon;
  final Color? color;
  LeadingIcon(this.icon, {this.color});

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 42.0,
      height: 42.0,
      decoration: BoxDecoration(
          color: (color ?? Theme.of(context).primaryColor).withOpacity(1.0),
          shape: BoxShape.circle),
      child: Icon(
        icon,
        color: Colors.white,
      ),
    );
  }
}

//Container with set size to match LeadingIcon
class EmptyLeading extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(width: 42.0, height: 42.0);
  }
}

class FreezerAppBar extends StatelessWidget implements PreferredSizeWidget {
  final String title;
  final List<Widget>? actions;
  final PreferredSizeWidget? bottom;
  //Should be specified if bottom is specified
  final double height;
  final SystemUiOverlayStyle? systemUiOverlayStyle;

  /// The appbar's backgroundColor, if left null,
  /// it defaults to [ThemeData.scaffoldBackgroundColor]
  final Color? backgroundColor;
  final Color? foregroundColor;

  final Brightness? brightness;

  const FreezerAppBar(
    this.title, {
    this.actions,
    this.bottom,
    this.height = 56.0,
    this.systemUiOverlayStyle,
    this.backgroundColor,
    this.brightness,
    this.foregroundColor,
  });

  Size get preferredSize => Size.fromHeight(this.height);

  @override
  Widget build(BuildContext context) {
    return AppBar(
      systemOverlayStyle: systemUiOverlayStyle,
      elevation: 0.0,
      backgroundColor:
          backgroundColor ?? Theme.of(context).scaffoldBackgroundColor,
      title: Text(title, style: TextStyle(fontWeight: FontWeight.w900)),
      actions: actions,
      bottom: bottom,
      foregroundColor:
          foregroundColor ?? (settings.isDark ? Colors.white : Colors.black),
    );
  }
}

class FreezerDivider extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Divider(
      thickness: 1.5,
      indent: 16.0,
      endIndent: 16.0,
    );
  }
}

TextStyle popupMenuTextStyle() {
  return TextStyle(color: settings.isDark ? Colors.white : Colors.black);
}