package config_test

import (
	"encoding/json"
	"os"
	"path/filepath"
	"testing"

	"git.yuntuo.hk/k2safe/go-omni/config"
	apierrors "git.yuntuo.hk/k2safe/go-omni/errors"
)

func TestTemplateConfigFiles(t *testing.T) {
	for _, file := range []struct{ name, body string }{
		{"config.json", `{"errors":{"defaultStatus":200,"definitions":{"LIMIT":{"code":"limit","message":"{label}:{max}","params":[{"name":"label","type":"string","example":"字段"},{"name":"max","type":"int64","example":9223372036854775807}]}}}}`},
		{"config.yaml", "errors:\n  defaultStatus: 200\n  definitions:\n    LIMIT:\n      code: limit\n      message: '{label}:{max}'\n      params:\n        - name: label\n          type: string\n          example: 字段\n        - name: max\n          type: int64\n          example: 9223372036854775807\n"},
	} {
		t.Run(file.name, func(t *testing.T) {
			path := filepath.Join(t.TempDir(), file.name)
			if err := os.WriteFile(path, []byte(file.body), 0600); err != nil {
				t.Fatal(err)
			}
			cfg, err := config.LoadFile(path)
			if err != nil {
				t.Fatal(err)
			}
			r := apierrors.MustRegistry(cfg.Errors)
			if r.Example("LIMIT").Message != "字段:9223372036854775807" {
				t.Fatal(r.Example("LIMIT"))
			}
			cfg.Errors.Definitions["LIMIT"].Params[0].Name = "mutated"
			var supplied map[string]any
			if err := apierrors.DecodeCatalogJSON([]byte(`{"label":"字段","max":9223372036854775807}`), &supplied); err != nil {
				t.Fatal(err)
			}
			if _, ok := supplied["max"].(json.Number); !ok {
				t.Fatal("number precision lost")
			}
			if r.Resolve(apierrors.ByCode("LIMIT").WithParams(supplied)).Message != "字段:9223372036854775807" {
				t.Fatal("parameter decode or snapshot failure")
			}
		})
	}
}