#!/usr/bin/env bash
# Test runner that automatically skips known broken tests

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
SKIP_FILE="$REPO_ROOT/.test-skip"

# Build skip pattern from .test-skip file
build_skip_pattern() {
    if [[ ! -f "$SKIP_FILE" ]]; then
        echo ""
        return
    fi

    # Read non-comment, non-empty lines and join with |
    local pattern=$(grep -v '^#' "$SKIP_FILE" | grep -v '^[[:space:]]*$' | paste -sd '|' -)
    echo "$pattern"
}

# Default values
TIMEOUT="${TEST_TIMEOUT:-3m}"
SKIP_PATTERN=$(build_skip_pattern)
VERBOSE="${TEST_VERBOSE:-}"
RUN_PATTERN="${TEST_RUN:-}"
COVERAGE="${TEST_COVER:-}"
COVERPROFILE="${TEST_COVERPROFILE:-/tmp/beads.coverage.out}"
COVERPKG="${TEST_COVERPKG:-}"

# Parse arguments
PACKAGES=()
while [[ $# -gt 0 ]]; do
    case $1 in
        -v|--verbose)
            VERBOSE="-v"
            shift
            ;;
        -timeout)
            TIMEOUT="$2"
            shift 2
            ;;
        -run)
            RUN_PATTERN="$2"
            shift 2
            ;;
        -skip)
            # Allow additional skip patterns
            if [[ -n "$SKIP_PATTERN" ]]; then
                SKIP_PATTERN="$SKIP_PATTERN|$2"
            else
                SKIP_PATTERN="$2"
            fi
            shift 2
            ;;
        *)
            PACKAGES+=("$1")
            shift
            ;;
    esac
done

# Default to all packages if none specified
if [[ ${#PACKAGES[@]} -eq 0 ]]; then
    PACKAGES=("./...")
fi

# Build go test command
CMD=(go test -timeout "$TIMEOUT")

if [[ -n "$VERBOSE" ]]; then
    CMD+=(-v)
fi

if [[ -n "$SKIP_PATTERN" ]]; then
    CMD+=(-skip "$SKIP_PATTERN")
fi

if [[ -n "$RUN_PATTERN" ]]; then
    CMD+=(-run "$RUN_PATTERN")
fi

if [[ -n "$COVERAGE" ]]; then
    CMD+=(-covermode=atomic -coverprofile "$COVERPROFILE")
    if [[ -n "$COVERPKG" ]]; then
        CMD+=(-coverpkg "$COVERPKG")
    fi
fi

CMD+=("${PACKAGES[@]}")

echo "Running: ${CMD[*]}" >&2
echo "Skipping: $SKIP_PATTERN" >&2
echo "" >&2

"${CMD[@]}"
status=$?

if [[ -n "$COVERAGE" ]]; then
    total=$(go tool cover -func="$COVERPROFILE" | awk '/^total:/ {print $NF}')
    echo "Total coverage: ${total} (profile: ${COVERPROFILE})" >&2
fi

exit $status