package commontypes

// JavaTypeMap maps PostgreSQL types to Java types
var JavaTypeMap = map[string]string{
	// Integer types
	"integer":     "Integer",
	"int":         "Integer",
	"int4":        "Integer",
	"smallint":    "Short",
	"int2":        "Short",
	"bigint":      "Long",
	"int8":        "Long",
	"serial":      "Integer",
	"bigserial":   "Long",
	"smallserial": "Short",

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

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

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

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

	// Binary
	"bytea": "byte[]",

	// JSON
	"json":  "String",
	"jsonb": "String",
}

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

	javaType, ok := JavaTypeMap[baseType]
	if !ok {
		javaType = "Object"
	}

	// Java uses wrapper classes for nullable types by default
	return javaType
}