"use client";

import * as React from 'react';
import { useEffect, useState } from 'react';
import type { Database } from '@/types/supabase';
import { getSupabaseClient } from '../../utils/supabase';
import { AuthChangeEvent, Session } from '@supabase/supabase-js';
import { Select } from '@radix-ui/themes';
import { Loader2 } from 'lucide-react';
import { cn } from '@/lib/utils';

type Team = Database['limq']['Tables']['teams']['Row'];
type AccentColor = 
  | 'ruby' | 'gray' | 'gold' | 'bronze' | 'brown' | 'yellow' | 'amber' | 'orange' 
  | 'tomato' | 'red' | 'crimson' | 'pink' | 'plum' | 'purple' | 'violet' 
  | 'iris' | 'indigo' | 'blue' | 'cyan' | 'teal' | 'jade' | 'green' | 'grass' | 'lime';

// TeamSelector component using Radix Themes
export function TeamSelector({ 
  value, 
  onChange, 
  className,
  size = "2",
  variant = "surface",
  color,
  radius,
}: { 
  value?: string;
  onChange?: (teamId: string) => void;
  className?: string;
  size?: "1" | "2" | "3";
  variant?: "classic" | "surface" | "soft" | "ghost";
  color?: AccentColor;
  radius?: "none" | "small" | "medium" | "large" | "full";
}) {
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  const [teams, setTeams] = useState<Team[]>([]);

  useEffect(() => {
    let isMounted = true;

    const fetchTeams = async (userId: string) => {
      if (!isMounted) return;
      setLoading(true);
      setError(null);
      
      try {
        const supabase = getSupabaseClient();
        
        const { data: memberships, error: membershipError } = await supabase
          .from('team_membership')
          .select('team_id')
          .eq('user_id', userId);

        if (membershipError) throw membershipError;

        if (!memberships || memberships.length === 0) {
          if (isMounted) setTeams([]);
          return;
        }

        const teamIds = memberships.map(m => m.team_id);
        const { data: teamsData, error: teamsError } = await supabase
          .from('teams')
          .select('*')
          .in('id', teamIds)
          .is('deleted_at', null);

        if (teamsError) throw teamsError;

        if (isMounted && teamsData) {
          setTeams(teamsData);
        }
      } catch (err) {
        if (isMounted) {
          setError(err instanceof Error ? err.message : 'Failed to load teams');
        }
      } finally {
        if (isMounted) {
          setLoading(false);
        }
      }
    };

    const supabase = getSupabaseClient();
    
    const { data: { subscription } } = supabase.auth.onAuthStateChange((event: AuthChangeEvent, session: Session | null) => {
      if (event === 'SIGNED_IN' && session?.user?.id) {
        fetchTeams(session.user.id);
      } else if (event === 'SIGNED_OUT') {
        setTeams([]);
        setError(null);
      }
    });

    supabase.auth.getSession().then(({ data: { session } }) => {
      if (session?.user?.id) {
        fetchTeams(session.user.id);
      }
    });

    return () => {
      isMounted = false;
      subscription.unsubscribe();
    };
  }, []);

  if (loading) {
    return (
      <div className={cn(
        "flex w-full items-center justify-between rounded-md border px-3 py-2",
        className
      )}>
        <Loader2 className="h-4 w-4 animate-spin" />
      </div>
    );
  }

  if (error) {
    return (
      <div className={cn(
        "flex w-full items-center rounded-md border border-destructive bg-destructive/10 px-3 py-2 text-destructive",
        className
      )}>
        {error}
      </div>
    );
  }

  if (teams.length === 0) {
    return (
      <div className={cn(
        "flex w-full items-center rounded-md border px-3 py-2 text-muted-foreground",
        className
      )}>
        No teams available
      </div>
    );
  }

  return (
    <Select.Root 
      value={value} 
      onValueChange={onChange}
      size={size}
    >
      <Select.Trigger 
        className={className}
        variant={variant}
        color={color}
        radius={radius}
        placeholder="Select a team"
      />
      <Select.Content position="popper">
        {teams.map((team) => (
          <Select.Item key={team.id} value={team.id}>
            {team.name}
          </Select.Item>
        ))}
      </Select.Content>
    </Select.Root>
  );
}