package remark

import (
	"testing"
)

func TestParse_Lottery(t *testing.T) {
	// 抽奖订单: lottery:activity:82|issue:89|count:1|slots:15:1
	rm := Parse("lottery:activity:82|issue:89|count:1|slots:15:1")
	if rm.ActivityID != 82 {
		t.Errorf("ActivityID = %d, want 82", rm.ActivityID)
	}
	if rm.IssueID != 89 {
		t.Errorf("IssueID = %d, want 89", rm.IssueID)
	}
	if rm.Count != 1 {
		t.Errorf("Count = %d, want 1", rm.Count)
	}
	if rm.PkgID != 0 {
		t.Errorf("PkgID = %d, want 0", rm.PkgID)
	}
	if len(rm.Slots) != 1 || rm.Slots[0].SlotIndex != 15 {
		t.Errorf("Slots = %+v, want [{SlotIndex:15 Count:1}]", rm.Slots)
	}
}

func TestParse_MatchingGamePaid(t *testing.T) {
	// 对对碰付费: matching_game:issue:104|coupon:267|c:267:500
	rm := Parse("matching_game:issue:104|coupon:267|c:267:500")
	if rm.ActivityID != 0 {
		t.Errorf("ActivityID = %d, want 0 (matching game paid has no activity prefix)", rm.ActivityID)
	}
	if rm.IssueID != 104 {
		t.Errorf("IssueID = %d, want 104", rm.IssueID)
	}
	if rm.PkgID != 0 {
		t.Errorf("PkgID = %d, want 0", rm.PkgID)
	}
	if rm.Count != 1 {
		t.Errorf("Count = %d, want 1 (default)", rm.Count)
	}
	if len(rm.Coupons) != 1 || rm.Coupons[0].UserCouponID != 267 || rm.Coupons[0].AppliedAmount != 500 {
		t.Errorf("Coupons = %+v, want [{UserCouponID:267 AppliedAmount:500}]", rm.Coupons)
	}
}

func TestParse_MatchingGameFree(t *testing.T) {
	// 对对碰免费(game_pass): activity:50|game_pass:12|matching_game:issue:96
	rm := Parse("activity:50|game_pass:12|matching_game:issue:96")
	if rm.ActivityID != 50 {
		t.Errorf("ActivityID = %d, want 50", rm.ActivityID)
	}
	if rm.IssueID != 96 {
		t.Errorf("IssueID = %d, want 96", rm.IssueID)
	}
	if rm.PkgID != 0 {
		t.Errorf("PkgID = %d, want 0", rm.PkgID)
	}
}

func TestParse_Ichiban(t *testing.T) {
	// 一番赏: game_pass_package:梦的起点！|pkg_id:11|count:4
	rm := Parse("game_pass_package:梦的起点！|pkg_id:11|count:4")
	if rm.PkgID != 11 {
		t.Errorf("PkgID = %d, want 11", rm.PkgID)
	}
	if rm.Count != 4 {
		t.Errorf("Count = %d, want 4", rm.Count)
	}
	if rm.ActivityID != 0 {
		t.Errorf("ActivityID = %d, want 0", rm.ActivityID)
	}
	if rm.IssueID != 0 {
		t.Errorf("IssueID = %d, want 0", rm.IssueID)
	}
}

func TestParse_IchibanSingle(t *testing.T) {
	// 一番赏单包: game_pass_package:幸运一番|pkg_id:5|count:1
	rm := Parse("game_pass_package:幸运一番|pkg_id:5|count:1")
	if rm.PkgID != 5 {
		t.Errorf("PkgID = %d, want 5", rm.PkgID)
	}
	if rm.Count != 1 {
		t.Errorf("Count = %d, want 1", rm.Count)
	}
}

func TestParse_Empty(t *testing.T) {
	rm := Parse("")
	if rm.ActivityID != 0 || rm.IssueID != 0 || rm.PkgID != 0 || rm.Count != 1 {
		t.Errorf("empty remark should have zero IDs and count=1, got %+v", rm)
	}
}

func TestParse_ActivityOnly(t *testing.T) {
	// activity: 前缀（直购）
	rm := Parse("activity:30|issue:45|count:2")
	if rm.ActivityID != 30 {
		t.Errorf("ActivityID = %d, want 30", rm.ActivityID)
	}
	if rm.IssueID != 45 {
		t.Errorf("IssueID = %d, want 45", rm.IssueID)
	}
	if rm.Count != 2 {
		t.Errorf("Count = %d, want 2", rm.Count)
	}
}

func TestParse_ClassificationPriority(t *testing.T) {
	// 验证三路分类逻辑：
	// Case 1: ActivityID > 0 → 抽奖/直购
	// Case 2: ActivityID==0 && IssueID > 0 → 对对碰
	// Case 3: ActivityID==0 && IssueID==0 && PkgID > 0 → 一番赏

	tests := []struct {
		name       string
		remark     string
		wantCase   string
		activityID int64
		issueID    int64
		pkgID      int64
	}{
		{
			name:       "lottery → case1",
			remark:     "lottery:activity:10|issue:20|count:1",
			wantCase:   "case1",
			activityID: 10, issueID: 20, pkgID: 0,
		},
		{
			name:       "matching_game paid → case2",
			remark:     "matching_game:issue:50",
			wantCase:   "case2",
			activityID: 0, issueID: 50, pkgID: 0,
		},
		{
			name:       "ichiban → case3",
			remark:     "game_pass_package:test|pkg_id:7|count:2",
			wantCase:   "case3",
			activityID: 0, issueID: 0, pkgID: 7,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			rm := Parse(tt.remark)
			if rm.ActivityID != tt.activityID {
				t.Errorf("ActivityID = %d, want %d", rm.ActivityID, tt.activityID)
			}
			if rm.IssueID != tt.issueID {
				t.Errorf("IssueID = %d, want %d", rm.IssueID, tt.issueID)
			}
			if rm.PkgID != tt.pkgID {
				t.Errorf("PkgID = %d, want %d", rm.PkgID, tt.pkgID)
			}

			// 验证分类
			var gotCase string
			if rm.ActivityID > 0 {
				gotCase = "case1"
			} else if rm.IssueID > 0 {
				gotCase = "case2"
			} else if rm.PkgID > 0 {
				gotCase = "case3"
			}
			if gotCase != tt.wantCase {
				t.Errorf("classification = %s, want %s", gotCase, tt.wantCase)
			}
		})
	}
}