package commontypes

// TypeScriptTypeMap maps PostgreSQL types to TypeScript types
var TypeScriptTypeMap = map[string]string{
	// Integer types
	"integer":     "number",
	"int":         "number",
	"int4":        "number",
	"smallint":    "number",
	"int2":        "number",
	"bigint":      "number",
	"int8":        "number",
	"serial":      "number",
	"bigserial":   "number",
	"smallserial": "number",

	// String types
	"text":      "string",
	"varchar":   "string",
	"char":      "string",
	"character": "string",
	"citext":    "string",
	"bpchar":    "string",
	"uuid":      "string",

	// Boolean
	"boolean": "boolean",
	"bool":    "boolean",

	// Float types
	"real":             "number",
	"float4":           "number",
	"double precision": "number",
	"float8":           "number",
	"numeric":          "number",
	"decimal":          "number",

	// Date/Time types
	"timestamp":                   "Date",
	"timestamp without time zone": "Date",
	"timestamp with time zone":    "Date",
	"timestamptz":                 "Date",
	"date":                        "Date",
	"time":                        "Date",
	"time without time zone":      "Date",
	"time with time zone":         "Date",
	"timetz":                      "Date",

	// Binary
	"bytea": "Buffer",

	// JSON
	"json":  "any",
	"jsonb": "any",

	// Array
	"array": "any[]",
}

// SQLToTypeScript converts SQL types to TypeScript types
func SQLToTypeScript(sqlType string, nullable bool) string {
	baseType := ExtractBaseType(sqlType)

	tsType, ok := TypeScriptTypeMap[baseType]
	if !ok {
		tsType = "any"
	}

	// Handle nullable types
	if nullable {
		return tsType
	}

	return tsType + " | null"
}