package worker

import (
	"context"
	"reflect"
	"testing"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gcfg"
)

func TestLoadMonthlyUsageTemplateQPS(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	adapter, err := gcfg.NewAdapterContent(`
trafficUsageFullSync:
  consumer:
    templateQPS:
      sim_yd_v5: 30
      sim_dx_v1: 25
      qibin_direct: 1.5
`)
	if err != nil {
		t.Fatalf("create config adapter: %v", err)
	}
	g.Cfg().SetAdapter(adapter)
	defer g.Cfg().SetAdapter(oldAdapter)

	got := loadMonthlyUsageTemplateQPS(context.Background())
	if got["sim_yd_v5"] != 30 || got["sim_dx_v1"] != 25 || got["qibin_direct"] != 1.5 {
		t.Fatalf("template QPS = %#v, want configured values", got)
	}
}

func TestLoadSimStatusRunPrefix(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	defer g.Cfg().SetAdapter(oldAdapter)
	for _, test := range []struct {
		name, config, want string
		invalid            bool
	}{
		{"default", "simStatusQueueSync:\n  enabled: true\n", "sim-status:", false},
		{"custom", "simStatusQueueSync:\n  redisKeyPrefix: 'status:'", "status:", false},
		{"empty", "simStatusQueueSync:\n  redisKeyPrefix: ''", "", true},
	} {
		t.Run(test.name, func(t *testing.T) {
			adapter, err := gcfg.NewAdapterContent(test.config)
			if err != nil {
				t.Fatal(err)
			}
			g.Cfg().SetAdapter(adapter)
			got, err := loadSimStatusRunPrefix(context.Background())
			if got != test.want || (err != nil) != test.invalid {
				t.Fatalf("prefix=%q err=%v", got, err)
			}
		})
	}
}

func TestLoadDailyUsageTemplateQPS(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	adapter, err := gcfg.NewAdapterContent(`
trafficUsageDailySync:
  consumer:
    templateQPS:
      sim_yd_v5: 30
      sim_dx_v1: 25
`)
	if err != nil {
		t.Fatalf("create config adapter: %v", err)
	}
	g.Cfg().SetAdapter(adapter)
	defer g.Cfg().SetAdapter(oldAdapter)

	got := loadDailyUsageTemplateQPS(context.Background())
	if got["sim_yd_v5"] != 30 || got["sim_dx_v1"] != 25 {
		t.Fatalf("daily usage template QPS = %#v, want the daily-configured values", got)
	}
	// The daily chain must not silently inherit the monthly chain's rates; the
	// two run against the same carrier quota and must be tuned independently.
	monthly := loadMonthlyUsageTemplateQPS(context.Background())
	if len(monthly) != 0 {
		t.Fatalf("monthly template QPS = %#v, want it unaffected by the daily block", monthly)
	}
}

func TestLoadDailyUsageRunPrefix(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	defer g.Cfg().SetAdapter(oldAdapter)
	for _, test := range []struct {
		name, config, want string
		invalid            bool
	}{
		{"default", "trafficUsageDailySync:\n  enabled: true\n", "daily:", false},
		{"custom", "trafficUsageDailySync:\n  redisKeyPrefix: 'daily-usage:'", "daily-usage:", false},
		{"empty", "trafficUsageDailySync:\n  redisKeyPrefix: ''", "", true},
	} {
		t.Run(test.name, func(t *testing.T) {
			adapter, err := gcfg.NewAdapterContent(test.config)
			if err != nil {
				t.Fatal(err)
			}
			g.Cfg().SetAdapter(adapter)
			got, err := loadDailyUsageRunPrefix(context.Background())
			if got != test.want || (err != nil) != test.invalid {
				t.Fatalf("prefix=%q err=%v", got, err)
			}
		})
	}
}

func TestLoadMonthlyHistoryRunPrefix(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	defer g.Cfg().SetAdapter(oldAdapter)
	for _, test := range []struct {
		name, config, want string
		invalid            bool
	}{
		{"default", "trafficUsageMonthlyHistorySync:\n  enabled: true\n", "monthly-history:", false},
		{"custom", "trafficUsageMonthlyHistorySync:\n  redisKeyPrefix: 'mh:'", "mh:", false},
		{"empty", "trafficUsageMonthlyHistorySync:\n  redisKeyPrefix: ''", "", true},
	} {
		t.Run(test.name, func(t *testing.T) {
			adapter, err := gcfg.NewAdapterContent(test.config)
			if err != nil {
				t.Fatal(err)
			}
			g.Cfg().SetAdapter(adapter)
			got, err := loadMonthlyHistoryRunPrefix(context.Background())
			if got != test.want || (err != nil) != test.invalid {
				t.Fatalf("prefix=%q err=%v", got, err)
			}
		})
	}
}

// TestMonthlyHistoryPrefixIsIsolatedFromCurrentMonthSync pins the separation of
// the two monthly chains: trafficUsageFullSync fills the MySQL current-month
// snapshot, while trafficUsageMonthlyHistorySync fills the TDengine monthly
// table. Sharing a prefix would let one chain's producer lock block the other.
func TestMonthlyHistoryPrefixIsIsolatedFromCurrentMonthSync(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	defer g.Cfg().SetAdapter(oldAdapter)
	adapter, err := gcfg.NewAdapterContent(`
trafficUsageFullSync:
  redisKeyPrefix: 'flow:'
trafficUsageMonthlyHistorySync:
  redisKeyPrefix: 'monthly-history:'
`)
	if err != nil {
		t.Fatal(err)
	}
	g.Cfg().SetAdapter(adapter)
	prefixes, err := loadFullSyncArchivePrefixes(context.Background())
	if err != nil {
		t.Fatal(err)
	}
	seen := map[string]bool{}
	for _, p := range prefixes {
		seen[p] = true
	}
	if !seen["flow:"] || !seen["monthly-history:"] {
		t.Fatalf("prefixes=%q, want both the current-month and monthly-history chains present", prefixes)
	}
}

func TestLoadFullSyncArchivePrefixes(t *testing.T) {
	oldAdapter := g.Cfg().GetAdapter()
	defer g.Cfg().SetAdapter(oldAdapter)
	for _, test := range []struct {
		name, config string
		want         []string
	}{
		{"defaults", "{}", []string{"flow:", "sim-status:", "daily:", "monthly-history:", "imei:"}},
		{"disabled IMEI remains visible", "imeiFullSync:\n  enabled: false", []string{"flow:", "sim-status:", "daily:", "monthly-history:", "imei:"}},
		{"custom", "trafficUsageFullSync:\n  redisKeyPrefix: 'usage:'\nsimStatusQueueSync:\n  redisKeyPrefix: 'status:'\ntrafficUsageDailySync:\n  redisKeyPrefix: 'daily-usage:'\ntrafficUsageMonthlyHistorySync:\n  redisKeyPrefix: 'monthly-history:'\nimeiFullSync:\n  redisKeyPrefix: 'imei-usage:'", []string{"usage:", "status:", "daily-usage:", "monthly-history:", "imei-usage:"}},
		// Duplicate prefixes would make Catalog and SimpleReplay read the same
		// run hash twice, so the list is deduplicated with the first occurrence
		// keeping its position.
		{"shared prefix", "trafficUsageFullSync:\n  redisKeyPrefix: 'sync:'\nsimStatusQueueSync:\n  redisKeyPrefix: 'sync:'\ntrafficUsageDailySync:\n  redisKeyPrefix: 'sync:'\ntrafficUsageMonthlyHistorySync:\n  redisKeyPrefix: 'sync:'\nimeiFullSync:\n  redisKeyPrefix: 'sync:'", []string{"sync:"}},
		{"daily shares the status prefix", "simStatusQueueSync:\n  redisKeyPrefix: 'daily:'\ntrafficUsageDailySync:\n  redisKeyPrefix: 'daily:'", []string{"flow:", "daily:", "monthly-history:", "imei:"}},
		{"monthly history shares the daily prefix", "trafficUsageDailySync:\n  redisKeyPrefix: 'usage:'\ntrafficUsageMonthlyHistorySync:\n  redisKeyPrefix: 'usage:'", []string{"flow:", "sim-status:", "usage:", "imei:"}},
	} {
		t.Run(test.name, func(t *testing.T) {
			adapter, err := gcfg.NewAdapterContent(test.config)
			if err != nil {
				t.Fatal(err)
			}
			g.Cfg().SetAdapter(adapter)
			got, err := loadFullSyncArchivePrefixes(context.Background())
			if err != nil {
				t.Fatal(err)
			}
			if !reflect.DeepEqual(got, test.want) {
				t.Fatalf("prefixes=%q, want %q", got, test.want)
			}
		})
	}
}