package business

import (
	"context"
	"testing"
	"time"
)

type ledgerRepoFake struct {
	LedgerRepo
	scope     LedgerScope
	filter    LedgerFilter
	options   LedgerListOptions
	total     int64
	available bool
	gameLimit int
}

func (r *ledgerRepoFake) Registrations(_ context.Context, s LedgerScope, f LedgerFilter, o LedgerListOptions) (*RegistrationPage, error) {
	r.scope = s
	r.filter = f
	r.options = o
	return &RegistrationPage{Rows: []*Registration{}, Total: r.total, Available: r.available}, nil
}
func (r *ledgerRepoFake) Spends(_ context.Context, s LedgerScope, f LedgerFilter, o LedgerListOptions) (*SpendPage, error) {
	r.scope = s
	r.filter = f
	r.options = o
	return &SpendPage{Rows: []*Spend{}, Total: r.total, Available: r.available, TotalPayAmount: stringPointer("0")}, nil
}
func (r *ledgerRepoFake) Games(_ context.Context, viewer UserScope, _ []string, _ string, limit int) ([]*GameOption, error) {
	r.scope.Viewer = viewer
	r.gameLimit = limit
	return []*GameOption{}, nil
}
func ledgerFixture() (*LedgerUsecase, *ledgerRepoFake, *channelPreferenceFake) {
	a := &accountRepoFake{accounts: map[uint]*Account{1: {ID: 1, Level: 0}, 7: {ID: 7, Level: 1, IDPath: "0"}, 9: {ID: 9, Level: 3, IDPath: "0,7"}}}
	r := &ledgerRepoFake{available: true}
	p := &channelPreferenceFake{UserPreference{IncludeSubPromote: true, IDCardDedup: true}}
	uc := NewLedgerUsecase(r, NewAccountUsecase(a), NewUserPreferenceUsecase(p))
	uc.now = func() time.Time { return time.Date(2026, 11, 4, 14, 0, 0, 0, portraitLocation) }
	return uc, r, p
}
func TestLedgerDateDefaultsAndBusinessScope(t *testing.T) {
	uc, r, p := ledgerFixture()
	if _, err := uc.Registrations(accountContext(7, 901), LedgerFilter{SortField: "payAmount"}, LedgerListOptions{Limit: 10}); err != nil {
		t.Fatal(err)
	}
	if time.Unix(r.filter.BeginUnix, 0).In(portraitLocation).Format("2006-01-02 15:04:05") != "2026-10-06 00:00:00" || time.Unix(r.filter.EndUnix, 0).In(portraitLocation).Format("2006-01-02 15:04:05") != "2026-11-04 23:59:59" {
		t.Fatal("未传日期应取含今天的近30天")
	}
	if r.scope.Unrestricted || !r.scope.Viewer.IncludeSelf || r.filter.SortField != "totalPayAmount" {
		t.Fatal("商务范围或排序别名错误")
	}
	p.pref = UserPreference{IncludeSubPromote: false, IDCardDedup: false}
	uc.Spends(accountContext(9, 903), LedgerFilter{}, LedgerListOptions{Limit: 10})
	if !r.scope.Viewer.OnlySelf || r.scope.IncludeSub {
		t.Fatal("三级本人范围或下级开关丢失")
	}
	uc.Spends(accountContext(1, 888), LedgerFilter{}, LedgerListOptions{Limit: 10})
	if !r.scope.Unrestricted {
		t.Fatal("超管默认全平台")
	}
	uc.Spends(accountContext(1, 888), LedgerFilter{BusierAccount: "商务"}, LedgerListOptions{Limit: 10})
	if r.scope.Unrestricted {
		t.Fatal("超管指定商务后必须收窄")
	}
}
func TestLedgerExportLimitAndDisplayFallback(t *testing.T) {
	uc, r, _ := ledgerFixture()
	r.total = 10001
	if _, err := uc.ExportRegistrations(accountContext(7, 901), LedgerFilter{}); err != ErrLedgerExportLimit || r.options.RejectAbove != 10000 {
		t.Fatal("导出没有执行一万条上限")
	}
	r.total = 0
	r.available = false
	if _, err := uc.ExportSpends(accountContext(7, 901), LedgerFilter{}); err != ErrLedgerUnavailable {
		t.Fatal("缺数据不能导出空文件冒充成功")
	}
	zero, unknown := int64(0), int64(99)
	for _, tc := range []struct {
		names LedgerNames
		want  string
	}{{LedgerNames{PromoteID: &zero}, "官方渠道"}, {LedgerNames{PromoteID: &unknown}, "未知渠道（ID：99）"}, {LedgerNames{}, "未知渠道"}, {LedgerNames{PromoteID: &zero, PromoteAccount: "历史账号"}, "历史账号"}} {
		if tc.names.DisplayPromote() != tc.want {
			t.Fatal("渠道展示回退错误")
		}
	}
	uc.Games(accountContext(1, 888), nil, "", 51)
	if r.gameLimit != 10000 {
		t.Fatal("原游戏选项的特殊批量上限丢失")
	}
	if !r.scope.Viewer.All {
		t.Fatal("超管游戏选项范围未传递")
	}
	if _, err := uc.Games(accountContext(9, 903), nil, "", 20); err != nil || !r.scope.Viewer.OnlySelf || r.scope.Viewer.All {
		t.Fatal("普通商务游戏选项必须限定本人范围")
	}
}