package data

import (
	"context"
	"testing"

	_ "github.com/gogf/gf/contrib/drivers/sqlite/v2"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/encoding/gjson"

	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/consts"
	dataService "git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/service/data"
)

func TestPreferredDataServiceChanKey(t *testing.T) {
	tests := []struct {
		name     string
		appBatch bool
		snapshot string
		card     string
		want     string
	}{
		{name: "app resolved snapshot wins", appBatch: true, snapshot: " legacy-71 ", card: "stale-1", want: "legacy-71"},
		{name: "console keeps card channel", snapshot: "legacy-71", card: " card-112 ", want: "card-112"},
		{name: "card fallback", card: " card-112 ", want: "card-112"},
		{name: "empty", want: ""},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if got := preferredDataServiceChanKey(test.appBatch, test.snapshot, test.card); got != test.want {
				t.Fatalf("preferredDataServiceChanKey() = %q, want %q", got, test.want)
			}
		})
	}
}

func TestDataAppBatchUsesSnapshotChannel(t *testing.T) {
	if !dataAppBatchUsesSnapshotChannel(gjson.New(map[string]any{"source": "APP"})) {
		t.Fatal("app batch should use the resolved snapshot channel")
	}
	if dataAppBatchUsesSnapshotChannel(gjson.New(map[string]any{"source": "console"})) {
		t.Fatal("console batch must continue using the current card channel")
	}
}

func TestSaveResultDoesNotClearTrafficCutoffFields(t *testing.T) {
	ctx := context.Background()
	db, err := gdb.New(gdb.ConfigNode{Type: "sqlite", Link: "sqlite::@file(:memory:)"})
	if err != nil {
		t.Fatalf("create sqlite database: %v", err)
	}
	statements := []string{
		"CREATE TABLE t_sim_card_info (id INTEGER PRIMARY KEY, tenant_id TEXT NOT NULL, data_service_status INTEGER NOT NULL DEFAULT 1, status_sync_time DATETIME, traffic_cutoff_status INTEGER NOT NULL DEFAULT 0, traffic_cutoff_threshold REAL NOT NULL DEFAULT 0, traffic_cutoff_cross_month_hold INTEGER NOT NULL DEFAULT 0, traffic_cutoff_triggered_at DATETIME, updated_by INTEGER NOT NULL DEFAULT 0, updated_at DATETIME)",
		"CREATE TABLE batch_detail (id INTEGER PRIMARY KEY, batch_no TEXT NOT NULL, detail_status INTEGER NOT NULL, error_code TEXT, error_reason TEXT, snapshot TEXT, updated_by INTEGER NOT NULL DEFAULT 0, updated_at DATETIME)",
		"INSERT INTO t_sim_card_info (id, tenant_id, data_service_status, traffic_cutoff_status, traffic_cutoff_threshold, traffic_cutoff_cross_month_hold, updated_by) VALUES (1, '000000', 1, 1, 512, 1, 7)",
		"INSERT INTO batch_detail (id, batch_no, detail_status) VALUES (9, 'DST-TEST', 1)",
	}
	for _, statement := range statements {
		if _, err = db.Exec(ctx, statement); err != nil {
			t.Fatalf("execute setup SQL: %v", err)
		}
	}

	repo := &Repository{db: db}
	task := &dataService.Task{
		Batch: dataService.Batch{
			BatchNo:   "DST-TEST",
			BatchType: consts.BatchTypeDataStop,
			TenantID:  "000000",
			CreatedBy: 13,
		},
		Operation: dataService.Operation{
			BatchType:    consts.BatchTypeDataStop,
			TargetStatus: consts.SimDataServiceStatusDisabled,
		},
	}
	detail := &dataService.Detail{
		ID:   9,
		Card: &dataService.Card{ID: 1, DataServiceStatus: consts.SimDataServiceStatusEnabled},
	}
	if _, err = repo.SaveResult(ctx, task, detail, dataService.Outcome{Success: true}); err != nil {
		t.Fatalf("SaveResult() error = %v", err)
	}

	row, err := db.GetOne(ctx, "SELECT data_service_status, traffic_cutoff_status, traffic_cutoff_threshold, traffic_cutoff_cross_month_hold FROM t_sim_card_info WHERE id = 1")
	if err != nil {
		t.Fatalf("query card result: %v", err)
	}
	if got := row["data_service_status"].Int(); got != consts.SimDataServiceStatusDisabled {
		t.Fatalf("data_service_status = %d", got)
	}
	if got := row["traffic_cutoff_status"].Int(); got != 1 {
		t.Fatalf("traffic_cutoff_status = %d, want 1", got)
	}
	if got := row["traffic_cutoff_threshold"].Float64(); got != 512 {
		t.Fatalf("traffic_cutoff_threshold = %v, want 512", got)
	}
	if got := row["traffic_cutoff_cross_month_hold"].Int(); got != 1 {
		t.Fatalf("traffic_cutoff_cross_month_hold = %d, want 1", got)
	}
}

func TestDataServiceUpdateDataTracksOnlyCrossMonthCutoff(t *testing.T) {
	tests := []struct {
		name      string
		batchType int
		hold      int
		wantNil   bool
	}{
		{name: "cutoff with hold", batchType: consts.BatchTypeDataCut, hold: 1, wantNil: false},
		{name: "cutoff without hold", batchType: consts.BatchTypeDataCut, hold: 0, wantNil: true},
		{name: "manual stop", batchType: consts.BatchTypeDataStop, hold: 1, wantNil: true},
		{name: "data start clears trigger", batchType: consts.BatchTypeDataStart, hold: 1, wantNil: false},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			task := &dataService.Task{
				Batch:     dataService.Batch{BatchType: tt.batchType, CreatedBy: 7},
				Operation: dataService.Operation{TargetStatus: consts.SimDataServiceStatusDisabled},
			}
			detail := &dataService.Detail{TrafficCutoffCrossMonthHold: tt.hold}
			update := dataServiceUpdateData(task, detail)
			if gotNil := update.TrafficCutoffTriggeredAt == nil; gotNil != tt.wantNil {
				t.Fatalf("TrafficCutoffTriggeredAt nil = %v, want %v", gotNil, tt.wantNil)
			}
			if update.DataServiceStatus != task.Operation.TargetStatus {
				t.Fatalf("DataServiceStatus = %v, want %d", update.DataServiceStatus, task.Operation.TargetStatus)
			}
			if update.StatusSyncTime == nil {
				t.Fatal("StatusSyncTime must be set")
			}
		})
	}
}