1  import { useState, useCallback } from 'react'
 2  import { useAccount } from 'wagmi'
 3  import { moderationService } from '@/services/database/gundb/moderation'
 4  import type { FlagReason, ExerciseFlag } from '@/services/database/gundb/moderation'
 5  
 6  interface UseFlagExerciseReturn {
 7    flagExercise: (exerciseKey: string, reason: FlagReason, details?: string) => Promise<void>
 8    isSubmitting: boolean
 9    error: string | null
10    success: boolean
11  }
12  
13  export function useFlagExercise(): UseFlagExerciseReturn {
14    const { address } = useAccount()
15    const [isSubmitting, setIsSubmitting] = useState(false)
16    const [error, setError] = useState<string | null>(null)
17    const [success, setSuccess] = useState(false)
18  
19    const flagExercise = useCallback(async (
20      exerciseKey: string,
21      reason: FlagReason,
22      details?: string
23    ) => {
24      if (!address) {
25        setError('Please connect your wallet to flag exercises')
26        return
27      }
28  
29      setIsSubmitting(true)
30      setError(null)
31      setSuccess(false)
32  
33      try {
34        // Create flag data
35        const flag: ExerciseFlag = {
36          exerciseKey,
37          walletAddress: address.toLowerCase(),
38          reason,
39          timestamp: Date.now(),
40          ...(details && { details })
41        }
42  
43        // Submit flag to GunDB
44        await moderationService.submitFlag(flag)
45        
46        setSuccess(true)
47        console.log('✅ Flag submitted successfully')
48        
49        // Reset success after 3 seconds
50        setTimeout(() => setSuccess(false), 3000)
51      } catch (err) {
52        const errorMessage = err instanceof Error ? err.message : 'Failed to submit flag'
53        setError(errorMessage)
54        console.error('❌ Error submitting flag:', errorMessage)
55      } finally {
56        setIsSubmitting(false)
57      }
58    }, [address])
59  
60    return {
61      flagExercise,
62      isSubmitting,
63      error,
64      success
65    }
66  }