#!/bin/bash

set -e

SCRIPT_DIR=$(dirname "$0")
cd "$SCRIPT_DIR"

function die() {
    echo "ERROR: $1" >&2
    exit 1
}

function info() {
    echo "INFO: $1"
}

function success() {
    echo -e "\033[32m✓ $1\033[0m"
}

function warning() {
    echo -e "\033[33m⚠ $1\033[0m"
}

# Check if ds command is available
DS_AVAILABLE=false
if command -v ds >/dev/null 2>&1; then
    DS_AVAILABLE=true
    info "Using dropshell validate for template validation"
else
    warning "ds command not found - using basic validation only"
fi

# Get list of template directories (exclude hidden directories)
TEMPLATES=$(find . -maxdepth 1 -type d ! -name ".*" ! -name "." | sed 's|^\./||' | grep -v ".gitea")

if [ -z "$TEMPLATES" ]; then
    die "No templates found to test"
fi

info "Found templates to test: $(echo $TEMPLATES | tr '\n' ' ')"

FAILED_TESTS=""
SKIPPED_TESTS=""

# Run validation tests for each template
for TEMPLATE in $TEMPLATES; do
    echo ""
    info "Testing template: $TEMPLATE"

    # Check if template directory exists
    if [ ! -d "$TEMPLATE" ]; then
        warning "Template directory $TEMPLATE does not exist, skipping"
        SKIPPED_TESTS="$SKIPPED_TESTS $TEMPLATE"
        continue
    fi

    # Make scripts executable if needed
    for SCRIPT in $TEMPLATE/*.sh; do
        if [ -f "$SCRIPT" ] && [ ! -x "$SCRIPT" ]; then
            chmod +x "$SCRIPT"
            info "Made $SCRIPT executable"
        fi
    done

    if [ "$DS_AVAILABLE" = true ]; then
        # Use dropshell's validate command
        if ds validate "$TEMPLATE" 2>&1; then
            success "Template $TEMPLATE passed validation"
        else
            echo "  ERROR: Template $TEMPLATE failed ds validate"
            FAILED_TESTS="$FAILED_TESTS $TEMPLATE"
        fi
    else
        # Fallback: basic validation when ds is not available

        # Check for required scripts
        REQUIRED_SCRIPTS="install.sh uninstall.sh status.sh"
        MISSING_SCRIPTS=""

        for SCRIPT in $REQUIRED_SCRIPTS; do
            if [ ! -f "$TEMPLATE/$SCRIPT" ]; then
                MISSING_SCRIPTS="$MISSING_SCRIPTS $SCRIPT"
            fi
        done

        if [ -n "$MISSING_SCRIPTS" ]; then
            echo "  ERROR: Missing required scripts:$MISSING_SCRIPTS"
            FAILED_TESTS="$FAILED_TESTS $TEMPLATE"
            continue
        fi

        # Check for config directory and service.env
        if [ ! -d "$TEMPLATE/config" ]; then
            echo "  ERROR: Missing config directory"
            FAILED_TESTS="$FAILED_TESTS $TEMPLATE"
            continue
        fi

        if [ ! -f "$TEMPLATE/config/service.env" ]; then
            echo "  ERROR: Missing config/service.env file"
            FAILED_TESTS="$FAILED_TESTS $TEMPLATE"
            continue
        fi

        # Validate shell scripts for basic syntax errors
        SYNTAX_ERRORS=""
        for SCRIPT in $TEMPLATE/*.sh; do
            if [ -f "$SCRIPT" ]; then
                if ! bash -n "$SCRIPT" 2>/dev/null; then
                    SCRIPT_NAME=$(basename "$SCRIPT")
                    SYNTAX_ERRORS="$SYNTAX_ERRORS $SCRIPT_NAME"
                fi
            fi
        done

        if [ -n "$SYNTAX_ERRORS" ]; then
            echo "  ERROR: Syntax errors in scripts:$SYNTAX_ERRORS"
            FAILED_TESTS="$FAILED_TESTS $TEMPLATE"
            continue
        fi

        success "Template $TEMPLATE passed basic validation"
    fi
done

echo ""
echo "========================================"
echo "Test Summary"
echo "========================================"

if [ -n "$SKIPPED_TESTS" ]; then
    warning "Skipped templates:$SKIPPED_TESTS"
fi

if [ -n "$FAILED_TESTS" ]; then
    echo -e "\033[31m✗ Failed templates:$FAILED_TESTS\033[0m"
    exit 1
else
    echo -e "\033[32m✓ All templates passed validation!\033[0m"
    exit 0
fi