#!/bin/bash
# QA Hook handler that reads from stdin
# Location: ~/.config/mosaic/tools/qa/qa-hook-stdin.sh

set -eo pipefail

PROJECT_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || pwd)
LOG_FILE="$PROJECT_ROOT/logs/qa-automation.log"
mkdir -p "$(dirname "$LOG_FILE")"

# Read JSON from stdin
JSON_INPUT=$(cat)

# Log raw input for debugging
echo "[$(date '+%Y-%m-%d %H:%M:%S')] Hook triggered with JSON:" >> "$LOG_FILE"
echo "$JSON_INPUT" >> "$LOG_FILE"

# Extract file path using jq if available, otherwise use grep/sed
if command -v jq &> /dev/null; then
    # Try multiple paths - tool_input.file_path is the actual structure from Claude Code
    FILE_PATH=$(echo "$JSON_INPUT" | jq -r '.tool_input.file_path // .tool_response.filePath // .file_path // .path // .file // empty' 2>/dev/null || echo "")
    TOOL_NAME=$(echo "$JSON_INPUT" | jq -r '.tool_name // .tool // .matcher // "Edit"' 2>/dev/null || echo "Edit")
else
    # Fallback parsing without jq - search in tool_input first
    FILE_PATH=$(echo "$JSON_INPUT" | grep -o '"tool_input"[^}]*}' | grep -o '"file_path"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"file_path"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
    if [ -z "$FILE_PATH" ]; then
        FILE_PATH=$(echo "$JSON_INPUT" | grep -o '"file_path"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"file_path"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
    fi
    if [ -z "$FILE_PATH" ]; then
        FILE_PATH=$(echo "$JSON_INPUT" | grep -o '"filePath"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"filePath"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
    fi
    TOOL_NAME=$(echo "$JSON_INPUT" | grep -o '"tool_name"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"tool_name"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
    if [ -z "$TOOL_NAME" ]; then
        TOOL_NAME=$(echo "$JSON_INPUT" | grep -o '"tool"[[:space:]]*:[[:space:]]*"[^"]*"' | sed 's/.*"tool"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/' | head -1)
    fi
    [ -z "$TOOL_NAME" ] && TOOL_NAME="Edit"
fi

echo "[$(date '+%Y-%m-%d %H:%M:%S')] Extracted: tool=$TOOL_NAME file=$FILE_PATH" >> "$LOG_FILE"

# Validate we got a file path
if [ -z "$FILE_PATH" ]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [ERROR] Could not extract file path from JSON" >> "$LOG_FILE"
    exit 0  # Exit successfully to not block Claude
fi

# Skip non-JS/TS files
if ! [[ "$FILE_PATH" =~ \.(ts|tsx|js|jsx|mjs|cjs)$ ]]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [INFO] Skipping non-JS/TS file: $FILE_PATH" >> "$LOG_FILE"
    exit 0
fi

# Call the main QA handler with extracted parameters
if [ -f ~/.config/mosaic/tools/qa/qa-hook-handler.sh ]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Calling QA handler for $FILE_PATH" >> "$LOG_FILE"
    ~/.config/mosaic/tools/qa/qa-hook-handler.sh "$TOOL_NAME" "$FILE_PATH" 2>&1 | tee -a "$LOG_FILE"
else
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [ERROR] QA handler script not found" >> "$LOG_FILE"
fi