package main

import (
    "fmt"
    "strings"
    "github.com/bmcszk/xmlsurf"
)

func main() {
    // Parse XML to map
    xml := `<root>
        <item id="1">first</item>
        <item id="2">second</item>
    </root>`
    
    result, err := xmlsurf.ParseToMap(strings.NewReader(xml))
    if err != nil {
        panic(err)
    }
    
    // Access values using XPath-style paths
    fmt.Println(result["/root/item[1]"])     // Output: first
    fmt.Println(result["/root/item[2]"])     // Output: second
    fmt.Println(result["/root/item[1]/@id"]) // Output: 1
    fmt.Println(result["/root/item[2]/@id"]) // Output: 2
    
    // Convert back to XML
    var buf strings.Builder
    err = result.ToXML(&buf, true) // true for indented output
    if err != nil {
        panic(err)
    }
    fmt.Println(buf.String())
}

// Include namespace prefixes in element and attribute names
result, err := xmlsurf.ParseToMap(reader, xmlsurf.WithNamespaces(true))

// Exclude namespace prefixes
result, err := xmlsurf.ParseToMap(reader, xmlsurf.WithNamespaces(false))

// Transform values during parsing
result, err := xmlsurf.ParseToMap(reader, 
    xmlsurf.WithValueTransform(strings.ToUpper),
    xmlsurf.WithValueTransform(strings.TrimSpace),
)

// Exact comparison (order matters)
equal := map1.Equal(map2)

// Order-independent comparison
equal := map1.EqualIgnoreOrder(map2)

// Get detailed differences between XMLMaps
diffs := map1.Diffs(map2)
for _, diff := range diffs {
    fmt.Println(diff.String()) // Human-readable description of the difference
}

// Get detailed differences ignoring element order
diffs := map1.DiffsIgnoreOrder(map2)

type Diff struct {
    Path       string   // The XPath where the difference was found
    LeftValue  string   // Value in the left XMLMap (empty if path doesn't exist)
    RightValue string   // Value in the right XMLMap (empty if path doesn't exist)
    Type       DiffType // Type of difference (DiffMissing, DiffExtra, or DiffValue)
}