package scenario

import (
	"encoding/json"
	"testing"
)

func TestValidateFieldInput(t *testing.T) {
	tests := []struct {
		name    string
		input   fieldInput
		wantErr bool
	}{
		{name: "text without options", input: fieldInput{FieldKey: "customer_name", FieldType: "text"}},
		{name: "select options", input: fieldInput{FieldKey: "pet_type", FieldType: "select", Options: json.RawMessage(`["猫","狗"]`)}},
		{name: "select missing options", input: fieldInput{FieldKey: "pet_type", FieldType: "select"}, wantErr: true},
		{name: "invalid key", input: fieldInput{FieldKey: "1pet", FieldType: "text"}, wantErr: true},
		{name: "options object", input: fieldInput{FieldKey: "pet_type", FieldType: "select", Options: json.RawMessage(`{"猫":1}`)}, wantErr: true},
		{name: "options null", input: fieldInput{FieldKey: "pet_note", FieldType: "text", Options: json.RawMessage(`null`)}, wantErr: true},
		{name: "validation array", input: fieldInput{FieldKey: "pet_age", FieldType: "number", Validation: json.RawMessage(`[1]`)}, wantErr: true},
		{name: "validation null", input: fieldInput{FieldKey: "pet_age", FieldType: "number", Validation: json.RawMessage(`null`)}, wantErr: true},
		{name: "number range", input: fieldInput{FieldKey: "pet_age", FieldType: "number", Validation: json.RawMessage(`{"min":0,"max":50}`)}},
		{name: "reversed number range", input: fieldInput{FieldKey: "pet_age", FieldType: "number", Validation: json.RawMessage(`{"min":50,"max":0}`)}, wantErr: true},
		{name: "number rule on text", input: fieldInput{FieldKey: "pet_name", FieldType: "text", Validation: json.RawMessage(`{"min":1}`)}, wantErr: true},
		{name: "text range", input: fieldInput{FieldKey: "pet_name", FieldType: "text", Validation: json.RawMessage(`{"min_length":1,"max_length":50}`)}},
		{name: "fractional text length", input: fieldInput{FieldKey: "pet_name", FieldType: "text", Validation: json.RawMessage(`{"min_length":1.5}`)}, wantErr: true},
		{name: "negative text length", input: fieldInput{FieldKey: "pet_name", FieldType: "text", Validation: json.RawMessage(`{"min_length":-1}`)}, wantErr: true},
		{name: "duplicate options", input: fieldInput{FieldKey: "pet_type", FieldType: "select", Options: json.RawMessage(`["猫","猫"]`)}, wantErr: true},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if err := validateFieldInput(test.input); (err != nil) != test.wantErr {
				t.Fatalf("validateFieldInput() error = %v, wantErr %v", err, test.wantErr)
			}
		})
	}
}