package lifecycle

import (
	"context"
	"errors"
	"testing"

	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/model"
)

func TestExecuteValidationFailureSkipsUpstream(t *testing.T) {
	operation, err := OperationByBatchType(consts.BatchTypeSimCardStop)
	if err != nil {
		t.Fatal(err)
	}
	task := &Task{
		Batch:     Batch{BatchNo: "B-1"},
		Operation: operation,
		Details: []*Detail{
			{ID: 1, ICCID: "iccid-1", Authorized: true, Card: &Card{ID: 11, ChanKey: "channel", BossCardStatus: consts.SimBossCardStatusActivated}},
			{ID: 2, ICCID: "iccid-2", Authorized: false, Card: &Card{ID: 12, ChanKey: "channel", BossCardStatus: consts.SimBossCardStatusActivated}},
		},
	}
	repo := &fakeRepository{task: task}
	upstream := &fakeUpstream{responseError: errors.New("must not be called")}

	if err = NewExecutor(repo, upstream).Execute(context.Background(), "B-1"); err != nil {
		t.Fatal(err)
	}
	if upstream.calls != 0 {
		t.Fatalf("upstream calls = %d, want 0", upstream.calls)
	}
	if !repo.validationSaved || !repo.finalized {
		t.Fatal("validation failure was not persisted and finalized")
	}
	if task.Details[0].Reason == "" || task.Details[1].Reason == "" {
		t.Fatal("every detail must receive a validation failure reason")
	}
}

func TestExecuteMapsMixedResponseAndPreservesOrderNumber(t *testing.T) {
	operation, err := OperationByBatchType(consts.BatchTypeSimCardStart)
	if err != nil {
		t.Fatal(err)
	}
	task := &Task{
		Batch:     Batch{BatchNo: "B-2"},
		Operation: operation,
		Details: []*Detail{
			{ID: 1, ICCID: "iccid-1", MSISDN: "msisdn-1", IMSI: "imsi-1", Authorized: true, Card: &Card{ID: 11, ChanKey: "channel", MSISDN: "msisdn-1", IMSI: "imsi-1", BossCardStatus: consts.SimBossCardStatusStopped}},
			{ID: 2, ICCID: "iccid-2", MSISDN: "msisdn-2", IMSI: "imsi-2", Authorized: true, Card: &Card{ID: 12, ChanKey: "channel", MSISDN: "msisdn-2", IMSI: "imsi-2", BossCardStatus: consts.SimBossCardStatusStopped}},
		},
	}
	repo := &fakeRepository{task: task}
	upstream := &fakeUpstream{response: []model.SimBaseRes[model.SimCardStatusChangeOutputItem]{
		{Code: 0, Message: "ok", SimKey: nil, ResData: model.SimCardStatusChangeOutputItem{OrderNum: "order-1"}},
		{Code: 9001, Message: "denied", SimKey: &model.SimKey{ICCID: "iccid-2"}, ResData: model.SimCardStatusChangeOutputItem{OrderNum: "order-2"}},
	}}

	if err = NewExecutor(repo, upstream).Execute(context.Background(), "B-2"); err != nil {
		t.Fatal(err)
	}
	if upstream.input.ReqData.OperType != consts.SimCardStatusOperTypeStart {
		t.Fatalf("operType = %q", upstream.input.ReqData.OperType)
	}
	if len(repo.saved) != 2 || !repo.saved[0].Success || repo.saved[0].OrderNum != "order-1" {
		t.Fatalf("first result = %+v", repo.saved)
	}
	if repo.saved[1].Success || repo.saved[1].Code != 9001 || repo.saved[1].Message != "denied" || repo.saved[1].OrderNum != "order-2" {
		t.Fatalf("second result = %+v", repo.saved[1])
	}
	if !repo.finalized {
		t.Fatal("batch was not finalized")
	}
}

func TestOperationByBatchTypeOperType(t *testing.T) {
	start, err := OperationByBatchType(consts.BatchTypeSimCardStart)
	if err != nil || start.OperType != "1" || start.TargetStatus != consts.SimBossCardStatusActivated {
		t.Fatalf("start operation = %+v, err = %v", start, err)
	}
	stop, err := OperationByBatchType(consts.BatchTypeSimCardStop)
	if err != nil || stop.OperType != "0" || stop.TargetStatus != consts.SimBossCardStatusStopped {
		t.Fatalf("stop operation = %+v, err = %v", stop, err)
	}
}

func TestValidateDetailPopulatesCardFieldsOnStatusFailure(t *testing.T) {
	t.Skip("TODO: 恢复卡状态限制后启用此测试")
	operation, err := OperationByBatchType(consts.BatchTypeSimCardStart)
	if err != nil {
		t.Fatal(err)
	}
	detail := &Detail{
		ID:    1,
		RowNo: 1,
		ICCID: "iccid-1",
		Card: &Card{
			ID:             11,
			ICCID:          "iccid-1",
			MSISDN:         "msisdn-1",
			IMSI:           "imsi-1",
			ChanKey:        "channel",
			BossCardStatus: consts.SimBossCardStatusActivated,
		},
	}
	validateDetail(operation, detail)
	if detail.Reason == "" {
		t.Fatal("expected validation failure reason")
	}
	if detail.MSISDN != "msisdn-1" || detail.IMSI != "imsi-1" || detail.ChanKey != "channel" {
		t.Fatalf("card fields not populated on status failure: %+v", detail)
	}
	if detail.StatusBefore != consts.SimBossCardStatusActivated {
		t.Fatalf("StatusBefore = %d, want %d", detail.StatusBefore, consts.SimBossCardStatusActivated)
	}
	snapshot := detail.Snapshot()
	if snapshot.Get("MSISDN").String() != "msisdn-1" || snapshot.Get("IMSI").String() != "imsi-1" || snapshot.Get("chanKey").String() != "channel" {
		t.Fatalf("snapshot missing card fields: %s", snapshot.MustToJsonString())
	}
}

func TestValidateDetailDetectsMSISDNMismatch(t *testing.T) {
	operation, err := OperationByBatchType(consts.BatchTypeSimCardStart)
	if err != nil {
		t.Fatal(err)
	}
	detail := &Detail{
		ID:          1,
		ICCID:       "iccid-1",
		Authorized:  true,
		InputMSISDN: "msisdn-input",
		Card: &Card{
			ID:             11,
			ICCID:          "iccid-1",
			MSISDN:         "msisdn-card",
			IMSI:           "imsi-1",
			ChanKey:        "channel",
			BossCardStatus: consts.SimBossCardStatusStopped,
		},
	}
	validateDetail(operation, detail)
	if detail.Reason != "MSISDN与卡档案不一致" {
		t.Fatalf("unexpected reason: %q", detail.Reason)
	}
	if detail.MSISDN != "msisdn-card" || detail.InputMSISDN != "msisdn-input" {
		t.Fatalf("mismatch not preserved: MSISDN=%q InputMSISDN=%q", detail.MSISDN, detail.InputMSISDN)
	}
	snapshot := detail.Snapshot()
	if snapshot.Get("inputMsisdn").String() != "msisdn-input" || snapshot.Get("MSISDN").String() != "msisdn-card" {
		t.Fatalf("snapshot mismatch fields wrong: %s", snapshot.MustToJsonString())
	}
}

type fakeRepository struct {
	task            *Task
	validationSaved bool
	finalized       bool
	saved           []Outcome
}

func (r *fakeRepository) Load(context.Context, string) (*Task, error) { return r.task, nil }

func (r *fakeRepository) SaveValidationFailure(_ context.Context, task *Task) error {
	r.validationSaved = true
	return nil
}

func (r *fakeRepository) SaveResult(_ context.Context, _ *Task, detail *Detail, outcome Outcome) (Outcome, error) {
	detail.ApplyOutcome(outcome)
	r.saved = append(r.saved, outcome)
	return outcome, nil
}

func (r *fakeRepository) Finalize(context.Context, *Task) error {
	r.finalized = true
	return nil
}

type fakeUpstream struct {
	calls         int
	input         *model.SimCardStatusChangeInput
	response      []model.SimBaseRes[model.SimCardStatusChangeOutputItem]
	responseError error
}

func (u *fakeUpstream) ChangeSimStatus(_ context.Context, input *model.SimCardStatusChangeInput) ([]model.SimBaseRes[model.SimCardStatusChangeOutputItem], error) {
	u.calls++
	u.input = input
	return u.response, u.responseError
}

func TestValidateDetailCollectsIndependentDiagnostics(t *testing.T) {
	detail := &Detail{ICCID: "card", Authorized: true, InputMSISDN: "wrong-phone", InputIMSI: "wrong-imsi", Card: &Card{MSISDN: "phone", IMSI: "imsi"}}
	validateDetail(Operation{}, detail)
	want := "ICCID缺少通道标识；MSISDN与卡档案不一致；IMSI与卡档案不一致"
	if detail.Reason != want {
		t.Fatalf("独立校验原因丢失: got=%q want=%q", detail.Reason, want)
	}
	unauthorized := &Detail{ICCID: "card", InputMSISDN: "wrong", Card: &Card{MSISDN: "phone"}}
	validateDetail(Operation{}, unauthorized)
	if unauthorized.Reason != "ICCID不在当前操作员授权范围内" {
		t.Fatalf("越权卡不应返回其他数据差异: %q", unauthorized.Reason)
	}
	existing := &Detail{Reason: "原始输入格式错误", Authorized: true, Card: &Card{}}
	validateDetail(Operation{}, existing)
	if existing.Reason != "原始输入格式错误" {
		t.Fatal("原始原因被覆盖")
	}
}