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package baosync
import (
"encoding/json"
"fmt"
"slices"
"sort"
"strconv"
"strings"
"time"
)
func Drifted(want, got map[string]any, skip ...string) string {
keys := make([]string, 0, len(want))
for k := range want {
if !slices.Contains(skip, k) {
keys = append(keys, k)
}
}
sort.Strings(keys)
for _, k := range keys {
if !same(want[k], got[k]) {
return k
}
}
return ""
}
func empty(v any) bool {
switch x := v.(type) {
case nil:
return true
case string:
return x == ""
case []string:
return len(x) == 0
case []any:
return len(x) == 0
case bool:
return !x
case int:
return x == 0
case float64:
return x == 0
}
return false
}
func number(v any) (float64, bool) {
switch x := v.(type) {
case float64:
return x, true
case int:
return float64(x), true
case int64:
return float64(x), true
case json.Number:
f, err := x.Float64()
return f, err == nil
}
return 0, false
}
func strs(v any) ([]string, bool) {
switch x := v.(type) {
case []string:
return x, true
case []any:
out := make([]string, 0, len(x))
for _, e := range x {
out = append(out, fmt.Sprint(e))
}
return out, true
case string:
if x == "" {
return nil, true
}
parts := strings.Split(x, ",")
for i := range parts {
parts[i] = strings.TrimSpace(parts[i])
}
return parts, true
}
return nil, false
}
func sameSet(a, b []string) bool {
x, y := slices.Clone(a), slices.Clone(b)
for i := range x {
x[i] = strings.ToLower(x[i])
}
for i := range y {
y[i] = strings.ToLower(y[i])
}
sort.Strings(x)
sort.Strings(y)
return slices.Equal(slices.Compact(x), slices.Compact(y))
}
func seconds(s string) (float64, bool) {
if s == "" {
return 0, true
}
if n, err := strconv.ParseFloat(s, 64); err == nil {
return n, true
}
d, err := time.ParseDuration(s)
if err != nil {
return 0, false
}
return d.Seconds(), true
}
func same(want, got any) bool {
if got == nil {
return empty(want)
}
switch w := want.(type) {
case string:
switch g := got.(type) {
case string:
return strings.TrimSpace(w) == strings.TrimSpace(g)
case bool:
return w == strconv.FormatBool(g)
case []any:
ws, _ := strs(w)
gs, _ := strs(g)
return sameSet(ws, gs)
}
if n, ok := number(got); ok {
s, ok := seconds(w)
return ok && s == n
}
case []string:
gs, ok := strs(got)
return ok && sameSet(w, gs)
case bool:
g, ok := got.(bool)
return ok && g == w
case int:
n, ok := number(got)
return ok && n == float64(w)
}
return fmt.Sprint(want) == fmt.Sprint(got)
}
