package contract_test

import (
	"testing"

	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/fullsync/contract"
)

// TestSyncKindForOperationCoversEveryChain pins the operation→kind mapping for
// all five full-sync chains. A missing case makes the run invisible in the
// admin monitor, because the catalog filters runs by SyncKind.
func TestSyncKindForOperationCoversEveryChain(t *testing.T) {
	cases := []struct {
		operation string
		want      contract.SyncKind
	}{
		{"current_month_usage_full_sync", contract.SyncKindTrafficUsage},
		{"sim_status_queue_full_sync", contract.SyncKindSimStatus},
		{"previous_day_usage_full_sync", contract.SyncKindTrafficUsageDaily},
		{"previous_month_usage_full_sync", contract.SyncKindTrafficUsageMonthly},
		{"imei_full_sync", contract.SyncKindImei},
	}
	for _, tc := range cases {
		got := contract.SyncKindForOperation(tc.operation)
		if got != tc.want {
			t.Fatalf("SyncKindForOperation(%q) = %q, want %q", tc.operation, got, tc.want)
		}
		if !got.Valid() {
			t.Fatalf("%q 应通过 Valid()", got)
		}
	}
}

// TestSyncKindForOperationRejectsUnknown 未知 operation 返回空 kind，
// 由调用方决定是跳过还是报错。
func TestSyncKindForOperationRejectsUnknown(t *testing.T) {
	for _, operation := range []string{"", "unknown", "IMEI_FULL_SYNC"} {
		got := contract.SyncKindForOperation(operation)
		if got != "" {
			t.Fatalf("SyncKindForOperation(%q) = %q, want empty", operation, got)
		}
		if got.Valid() {
			t.Fatalf("空 kind 不应通过 Valid()")
		}
	}
}

// TestSyncKindValidRejectsUnknown 只有五个已注册的 kind 有效。
func TestSyncKindValidRejectsUnknown(t *testing.T) {
	valid := []contract.SyncKind{
		contract.SyncKindTrafficUsage,
		contract.SyncKindSimStatus,
		contract.SyncKindTrafficUsageDaily,
		contract.SyncKindTrafficUsageMonthly,
		contract.SyncKindImei,
	}
	for _, kind := range valid {
		if !kind.Valid() {
			t.Fatalf("%q 应有效", kind)
		}
	}
	invalid := []contract.SyncKind{"", "imei_full_sync", "IMEI", "traffic", "sim-status"}
	for _, kind := range invalid {
		if kind.Valid() {
			t.Fatalf("%q 不应有效", kind)
		}
	}
}

// TestSyncKindValuesAreStable 枚举字符串是持久化契约（写入 Run 元数据、
// 归档 JSON 与 admin 查询参数），不得随意改动。
func TestSyncKindValuesAreStable(t *testing.T) {
	cases := map[contract.SyncKind]string{
		contract.SyncKindTrafficUsage:        "traffic_usage",
		contract.SyncKindSimStatus:           "sim_status",
		contract.SyncKindTrafficUsageDaily:   "traffic_usage_daily",
		contract.SyncKindTrafficUsageMonthly: "traffic_usage_monthly",
		contract.SyncKindImei:                "imei",
	}
	for kind, want := range cases {
		if string(kind) != want {
			t.Fatalf("kind = %q, want %q（持久化契约不得改动）", kind, want)
		}
	}
}