#!/bin/bash
# Get Pack Dependencies Action - API Wrapper
# Thin wrapper around POST /api/v1/packs/dependencies

set -e
set -o pipefail

# Read JSON parameters from stdin
INPUT=$(cat)

# Parse parameters using jq
PACK_PATHS=$(echo "$INPUT" | jq -c '.pack_paths // []')
SKIP_VALIDATION=$(echo "$INPUT" | jq -r '.skip_validation // false')
API_URL=$(echo "$INPUT" | jq -r '.api_url // "http://localhost:8080"')
API_TOKEN=$(echo "$INPUT" | jq -r '.api_token // ""')

# Validate required parameters
PACK_COUNT=$(echo "$PACK_PATHS" | jq -r 'length' 2>/dev/null || echo "0")
if [[ "$PACK_COUNT" -eq 0 ]]; then
    echo '{"dependencies":[],"runtime_requirements":{},"missing_dependencies":[],"analyzed_packs":[],"errors":[{"pack_path":"input","error":"No pack paths provided"}]}' >&1
    exit 1
fi

# Build request body
REQUEST_BODY=$(jq -n \
    --argjson pack_paths "$PACK_PATHS" \
    --argjson skip_validation "$([[ "$SKIP_VALIDATION" == "true" ]] && echo true || echo false)" \
    '{
        pack_paths: $pack_paths,
        skip_validation: $skip_validation
    }')

# Make API call
CURL_ARGS=(
    -X POST
    -H "Content-Type: application/json"
    -H "Accept: application/json"
    -d "$REQUEST_BODY"
    -s
    -w "\n%{http_code}"
    --max-time 60
    --connect-timeout 10
)

if [[ -n "$API_TOKEN" ]] && [[ "$API_TOKEN" != "null" ]]; then
    CURL_ARGS+=(-H "Authorization: Bearer ${API_TOKEN}")
fi

RESPONSE=$(curl "${CURL_ARGS[@]}" "${API_URL}/api/v1/packs/dependencies" 2>/dev/null || echo -e "\n000")

# Extract status code (last line)
HTTP_CODE=$(echo "$RESPONSE" | tail -n 1)
BODY=$(echo "$RESPONSE" | head -n -1)

# Check HTTP status
if [[ "$HTTP_CODE" -ge 200 ]] && [[ "$HTTP_CODE" -lt 300 ]]; then
    # Extract data field from API response
    echo "$BODY" | jq -r '.data // .'
    exit 0
else
    # Error response
    ERROR_MSG=$(echo "$BODY" | jq -r '.error // .message // "API request failed"' 2>/dev/null || echo "API request failed")

    cat <<EOF
{
  "dependencies": [],
  "runtime_requirements": {},
  "missing_dependencies": [],
  "analyzed_packs": [],
  "errors": [{
    "pack_path": "api",
    "error": "API call failed (HTTP $HTTP_CODE): $ERROR_MSG"
  }]
}
EOF
    exit 1
fi