package cast_test

import (
	"testing"
	"apigo.cc/go/cast"
)

type SubConfig struct {
	Level int
	Tag   string
}

type MainConfig struct {
	Name    string
	Sub     SubConfig
	Items   []string
	Options map[string]int
}

func TestDeepMergeComplex(t *testing.T) {
	dst := MainConfig{
		Name: "Base",
		Sub: SubConfig{
			Level: 1,
			Tag:   "original",
		},
		Items: []string{"a", "b"},
		Options: map[string]int{
			"debug": 1,
			"trace": 0,
		},
	}

	src := map[string]any{
		"Sub": map[string]any{
			"Level": 2,
		},
		"Options": map[string]any{
			"trace": 1,
			"new":   100,
		},
	}

	cast.Convert(&dst, src)

	if dst.Name != "Base" {
		t.Errorf("Expected Name Base, got %s", dst.Name)
	}
	if dst.Sub.Level != 2 {
		t.Errorf("Expected Sub.Level 2, got %d", dst.Sub.Level)
	}
	if dst.Sub.Tag != "original" {
		t.Errorf("Expected Sub.Tag original, got %s", dst.Sub.Tag)
	}
	if len(dst.Items) != 2 {
		t.Errorf("Expected Items length 2, got %d", len(dst.Items))
	}
	if dst.Options["debug"] != 1 {
		t.Errorf("Expected Options.debug 1, got %d", dst.Options["debug"])
	}
	if dst.Options["trace"] != 1 {
		t.Errorf("Expected Options.trace 1, got %d", dst.Options["trace"])
	}
	if dst.Options["new"] != 100 {
		t.Errorf("Expected Options.new 100, got %d", dst.Options["new"])
	}
}

func TestMapToMapMergeComplex(t *testing.T) {
	dst := map[string]MainConfig{
		"c1": {
			Name: "Config1",
			Sub:  SubConfig{Level: 10},
		},
	}

	src := map[string]any{
		"c1": map[string]any{
			"Sub": map[string]any{
				"Tag": "updated",
			},
		},
		"c2": map[string]any{
			"Name": "Config2",
		},
	}

	cast.Convert(&dst, src)

	if dst["c1"].Name != "Config1" {
		t.Errorf("Expected c1.Name Config1, got %s", dst["c1"].Name)
	}
	if dst["c1"].Sub.Level != 10 {
		t.Errorf("Expected c1.Sub.Level 10, got %d", dst["c1"].Sub.Level)
	}
	if dst["c1"].Sub.Tag != "updated" {
		t.Errorf("Expected c1.Sub.Tag updated, got %s", dst["c1"].Sub.Tag)
	}
	if dst["c2"].Name != "Config2" {
		t.Errorf("Expected c2.Name Config2, got %s", dst["c2"].Name)
	}
}