From f3c1b50205eb8da8c483802b5f6215ce521c6e35 Mon Sep 17 00:00:00 2001
From: 7000pctAUTO <lukems3823@gmail.com>
Date: Sat, 31 Jan 2026 20:27:38 +0000
Subject: [PATCH] Initial upload with CI/CD workflow

---
 src/utils/typeGenerator.ts | 159 +++++++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 src/utils/typeGenerator.ts

diff --git a/src/utils/typeGenerator.ts b/src/utils/typeGenerator.ts
new file mode 100644
index 0000000..a75b0bb
--- /dev/null
+++ b/src/utils/typeGenerator.ts
@@ -0,0 +1,159 @@
+import * as prettier from 'prettier';
+import { EnvSchema, ParsedEnv } from '../core/types';
+
+export function generateTypeScriptInterface(
+  schema: EnvSchema,
+  parsedEnv: ParsedEnv,
+  interfaceName: string = 'EnvVariables'
+): string {
+  const lines: string[] = [];
+  
+  lines.push(`export interface ${interfaceName} {`);
+
+  for (const [key, config] of Object.entries(schema.variables)) {
+    const isRequired = config.required !== false;
+    const optionalMarker = isRequired ? '' : '?';
+    const typeScriptType = getTypeScriptType(config.type, parsedEnv.flat[key]);
+    const comment = config.desc ? `  /** ${config.desc} */` : '';
+    
+    let defaultValueStr = '';
+    if (config.default !== undefined) {
+      const formattedDefault = formatDefaultValue(config.default, config.type);
+      defaultValueStr = `  // Default: ${formattedDefault}`;
+    }
+
+    lines.push(comment);
+    lines.push(`  ${key}${optionalMarker}: ${typeScriptType};`);
+    if (defaultValueStr) {
+      lines.push(defaultValueStr);
+    }
+    lines.push('');
+  }
+
+  lines.push('}');
+  lines.push('');
+
+  const nestedInterfaces = generateNestedInterfaces(parsedEnv.nested);
+  lines.push(nestedInterfaces);
+
+  return lines.join('\n');
+}
+
+function getTypeScriptType(type: string, value?: string): string {
+  switch (type) {
+    case 'string':
+      return 'string';
+    case 'number':
+    case 'int':
+    case 'port':
+      return 'number';
+    case 'boolean':
+      return 'boolean';
+    case 'email':
+    case 'url':
+      return 'string';
+    case 'json':
+      return 'Record<string, unknown>';
+    case 'enum': {
+      const enumValues = value ? `'${value}'` : 'string';
+      return enumValues;
+    }
+    default:
+      return 'string';
+  }
+}
+
+function formatDefaultValue(defaultVal: string | number | boolean, type: string): string {
+  if (typeof defaultVal === 'string') {
+    if (type === 'json') {
+      try {
+        const parsed = JSON.parse(defaultVal);
+        return JSON.stringify(parsed, null, 2);
+      } catch {
+        return `'${defaultVal}'`;
+      }
+    }
+    return `'${defaultVal}'`;
+  }
+  return String(defaultVal);
+}
+
+function generateNestedInterfaces(obj: unknown, prefix: string = ''): string {
+  if (obj === null || obj === undefined || typeof obj !== 'object') {
+    return '';
+  }
+
+  if (Array.isArray(obj)) {
+    return '';
+  }
+
+  const typedObj = obj as Record<string, unknown>;
+  const keys = Object.keys(typedObj);
+  
+  if (keys.length === 0) {
+    return '';
+  }
+
+  const lines: string[] = [];
+  const interfaceName = prefix ? toPascalCase(prefix) : 'NestedEnv';
+
+  lines.push(`export interface ${interfaceName} {`);
+
+  for (const key of keys) {
+    const value = typedObj[key];
+    const propertyName = toCamelCase(key);
+
+    if (value !== null && value !== undefined && typeof value === 'object' && !Array.isArray(value)) {
+      const nestedInterface = generateNestedInterfaces(value, `${prefix}_${key}`);
+      lines.push(`  ${propertyName}?: ${toPascalCase(key)};`);
+      lines.push('');
+      lines.push(nestedInterface);
+    } else {
+      const type = inferTypeFromValue(value);
+      lines.push(`  ${propertyName}?: ${type};`);
+    }
+  }
+
+  lines.push('}');
+  lines.push('');
+
+  return lines.join('\n');
+}
+
+function toPascalCase(str: string): string {
+  return str
+    .split('_')
+    .map(part => part.charAt(0).toUpperCase() + part.slice(1).toLowerCase())
+    .join('');
+}
+
+function toCamelCase(str: string): string {
+  const parts = str.split('_');
+  if (parts.length === 1) return str;
+  return parts[0].toLowerCase() + parts.slice(1).map(p => p.charAt(0).toUpperCase() + p.slice(1).toLowerCase()).join('');
+}
+
+function inferTypeFromValue(value: unknown): string {
+  if (value === null || value === undefined) return 'unknown';
+  if (typeof value === 'string') return 'string';
+  if (typeof value === 'number') return 'number';
+  if (typeof value === 'boolean') return 'boolean';
+  if (Array.isArray(value)) return 'unknown[]';
+  if (typeof value === 'object') return 'Record<string, unknown>';
+  return 'string';
+}
+
+export async function formatCode(code: string): Promise<string> {
+  try {
+    const formatted = await prettier.format(code, {
+      parser: 'typescript',
+      singleQuote: true,
+      tabWidth: 2,
+      trailingComma: 'es5',
+      printWidth: 100
+    });
+    return formatted;
+  } catch {
+    return code;
+  }
+}