package dnfbridge

import (
	"testing"
	"time"

	dnfdungeonadmission "longheng.io/server/internal/modules/dnf/dungeonadmission"
)

// 验证周常五图的准入策略生成与开放日开关。
func TestAbisEntryPolicies(t *testing.T) {
	for _, spec := range abisDungeonSpecs {
		policies, err := abisEntryPolicies(spec, 0)
		if err != nil {
			t.Fatalf("dungeon %d: %v", spec.id, err)
		}
		if len(policies) != 2 {
			t.Fatalf("dungeon %d: want 2 policies, got %d", spec.id, len(policies))
		}
		account, character := policies[0], policies[1]
		if account.Scope == character.Scope {
			t.Fatalf("dungeon %d: both policies share scope %d", spec.id, account.Scope)
		}
		t.Logf("dungeon %d %s: account key=%s limit=%d section=%q | character key=%s limit=%d section=%q",
			spec.id, spec.name,
			account.Key, account.Limit, account.SourceSection,
			character.Key, character.Limit, character.SourceSection)
		if account.Key != abisSharedAccountPolicyKey {
			t.Fatalf("dungeon %d: account policy key=%q want=%q (must be shared across all five)", spec.id, account.Key, abisSharedAccountPolicyKey)
		}
		if len(account.DungeonIDs) != 5 {
			t.Fatalf("dungeon %d: shared account policy must cover 5 dungeons, got %v", spec.id, account.DungeonIDs)
		}
		if account.Limit != abisAccountDailyBase {
			t.Fatalf("dungeon %d: account limit=%d want=%d", spec.id, account.Limit, abisAccountDailyBase)
		}
		if character.Limit != spec.limit {
			t.Fatalf("dungeon %d: character limit=%d want=%d", spec.id, character.Limit, spec.limit)
		}
	}
}

// 冒险团分档加成必须落在 PVF 声明的区间上。
func TestAbisAdventureGroupAddition(t *testing.T) {
	cases := []struct {
		level uint32
		want  uint32
	}{
		{0, 0}, {1, 0}, {5, 0}, {6, 1}, {10, 1}, {11, 2}, {15, 2},
		{16, 3}, {20, 3}, {21, 4}, {25, 4}, {26, 5}, {30, 5}, {31, 0},
	}
	for _, c := range cases {
		if got := abisAdventureGroupAddition(c.level); got != c.want {
			t.Errorf("manage level %d: bonus=%d want=%d", c.level, got, c.want)
		}
	}
}

// 06:00 服务日边界：北京 05:59 属于前一天，06:00 属于新一天。
func TestAbisServiceWindowSixAMBoundary(t *testing.T) {
	beijing := time.FixedZone("CST", 8*3600)
	before := time.Date(2026, 10, 12, 5, 59, 0, 0, beijing)
	after := time.Date(2026, 10, 12, 6, 0, 0, 0, beijing)
	policy := abisEntryPoliciesForWindowProbe()
	w1, err := abisPolicyWindow(policy, before)
	if err != nil {
		t.Fatal(err)
	}
	w2, err := abisPolicyWindow(policy, after)
	if err != nil {
		t.Fatal(err)
	}
	if w1.Start.Equal(w2.Start) {
		t.Fatalf("05:59 and 06:00 must be different service days, both start=%v", w1.Start)
	}
	t.Logf("05:59 -> window %v ; 06:00 -> window %v", w1.Start, w2.Start)
	if w1.Start.Hour() != 6 || w2.Start.Hour() != 6 {
		t.Fatalf("service day must start at 06:00, got %d and %d", w1.Start.Hour(), w2.Start.Hour())
	}
}

func abisEntryPoliciesForWindowProbe() dnfdungeonadmission.Policy {
	policies, _ := abisEntryPolicies(abisDungeonSpecs[0], 0)
	return policies[0]
}

// 冒险团分档加成必须计入账号策略上限：账号额度 = 5 + 分档加成。
func TestAbisAccountPolicyIncludesAdventureGroupBonus(t *testing.T) {
	cases := []struct {
		manageLevel uint32
		wantLimit   uint32
	}{
		{0, 5}, {1, 5}, {5, 5}, {6, 6}, {10, 6}, {11, 7}, {16, 8},
		{21, 9}, {26, 10}, {30, 10}, {31, 5},
	}
	for _, c := range cases {
		policies, err := abisEntryPolicies(abisDungeonSpecs[0], c.manageLevel)
		if err != nil {
			t.Fatalf("manage level %d: %v", c.manageLevel, err)
		}
		if got := policies[0].Limit; got != c.wantLimit {
			t.Errorf("manage level %d: account limit=%d want=%d", c.manageLevel, got, c.wantLimit)
		}
		// 共享键必须与等级无关，否则同一账号不同角色会各生成一条账号策略。
		if policies[0].Key != abisSharedAccountPolicyKey {
			t.Errorf("manage level %d: account key=%q want shared", c.manageLevel, policies[0].Key)
		}
		// 角色上限不受冒险团等级影响。
		if got := policies[1].Limit; got != abisDungeonSpecs[0].limit {
			t.Errorf("manage level %d: character limit=%d want=%d", c.manageLevel, got, abisDungeonSpecs[0].limit)
		}
	}
}