package judge

import "fmt"

type QueryResult struct {
	Columns []string
	Rows    [][]any
}

type Verdict struct {
	Pass bool
	Hint string
}

func Compare(expected QueryResult, actual QueryResult) Verdict {
	if len(expected.Columns) != len(actual.Columns) {
		return Verdict{Pass: false, Hint: "列数量不一致"}
	}
	for i := range expected.Columns {
		if expected.Columns[i] != actual.Columns[i] {
			return Verdict{Pass: false, Hint: "列顺序或列名不一致"}
		}
	}
	if len(expected.Rows) != len(actual.Rows) {
		return Verdict{Pass: false, Hint: "返回行数不一致"}
	}
	for r := range expected.Rows {
		if len(expected.Rows[r]) != len(actual.Rows[r]) {
			return Verdict{Pass: false, Hint: "返回列数不一致"}
		}
		for c := range expected.Rows[r] {
			if fmt.Sprint(expected.Rows[r][c]) != fmt.Sprint(actual.Rows[r][c]) {
				return Verdict{Pass: false, Hint: "结果内容不一致"}
			}
		}
	}
	return Verdict{Pass: true, Hint: "结果正确"}
}