#!/bin/bash
#
# Sync Queued Contexts to Database
# Uploads any locally queued contexts to the central API
# Can be run manually or called automatically by hooks
#
# Usage: bash .claude/hooks/sync-contexts
#

# Load configuration
CLAUDE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
CONFIG_FILE="$CLAUDE_DIR/context-recall-config.env"

if [ -f "$CONFIG_FILE" ]; then
    source "$CONFIG_FILE"
fi

# Default values
API_URL="${CLAUDE_API_URL:-http://172.16.3.30:8001}"
QUEUE_DIR="$CLAUDE_DIR/context-queue"
PENDING_DIR="$QUEUE_DIR/pending"
UPLOADED_DIR="$QUEUE_DIR/uploaded"
FAILED_DIR="$QUEUE_DIR/failed"

# Exit if no JWT token
if [ -z "$JWT_TOKEN" ]; then
    echo "ERROR: No JWT token available" >&2
    exit 1
fi

# Create directories if they don't exist
mkdir -p "$PENDING_DIR" "$UPLOADED_DIR" "$FAILED_DIR" 2>/dev/null

# Check if there are any pending files
PENDING_COUNT=$(find "$PENDING_DIR" -type f -name "*.json" 2>/dev/null | wc -l)

if [ "$PENDING_COUNT" -eq 0 ]; then
    # No pending contexts to sync
    exit 0
fi

echo "==================================="
echo "Syncing Queued Contexts"
echo "==================================="
echo "Found $PENDING_COUNT pending context(s)"
echo ""

# Process each pending file
SUCCESS_COUNT=0
FAIL_COUNT=0

for QUEUE_FILE in "$PENDING_DIR"/*.json; do
    # Skip if no files match
    [ -e "$QUEUE_FILE" ] || continue

    FILENAME=$(basename "$QUEUE_FILE")
    echo "Processing: $FILENAME"

    # Read the payload
    PAYLOAD=$(cat "$QUEUE_FILE")

    # Determine endpoint based on filename
    if [[ "$FILENAME" == *"_state.json" ]]; then
        ENDPOINT="${API_URL}/api/project-states"
    else
        ENDPOINT="${API_URL}/api/conversation-contexts"
    fi

    # Try to POST to API
    RESPONSE=$(curl -s --max-time 10 -w "\n%{http_code}" \
        -X POST "$ENDPOINT" \
        -H "Authorization: Bearer ${JWT_TOKEN}" \
        -H "Content-Type: application/json" \
        -d "$PAYLOAD" 2>/dev/null)

    HTTP_CODE=$(echo "$RESPONSE" | tail -n1)

    if [ "$HTTP_CODE" = "200" ] || [ "$HTTP_CODE" = "201" ]; then
        # Success - move to uploaded directory
        mv "$QUEUE_FILE" "$UPLOADED_DIR/"
        echo "  ✓ Uploaded successfully"
        ((SUCCESS_COUNT++))
    else
        # Failed - move to failed directory for manual review
        mv "$QUEUE_FILE" "$FAILED_DIR/"
        echo "  ✗ Upload failed (HTTP $HTTP_CODE) - moved to failed/"
        ((FAIL_COUNT++))
    fi
done

echo ""
echo "==================================="
echo "Sync Complete"
echo "==================================="
echo "Successful: $SUCCESS_COUNT"
echo "Failed: $FAIL_COUNT"
echo ""

# Clean up old uploaded files (keep last 100)
UPLOADED_COUNT=$(find "$UPLOADED_DIR" -type f -name "*.json" 2>/dev/null | wc -l)
if [ "$UPLOADED_COUNT" -gt 100 ]; then
    echo "Cleaning up old uploaded contexts (keeping last 100)..."
    find "$UPLOADED_DIR" -type f -name "*.json" -printf '%T@ %p\n' | \
        sort -n | \
        head -n -100 | \
        cut -d' ' -f2- | \
        xargs rm -f
fi

exit 0