package httpapi_test

import (
	"fmt"
	"net/http"
	"strings"
	"testing"
)

// 本文件钉住设计 17 的服务端行为：团体手工名次入口、channel_ranks 派生名次、
// 改配置即重算，以及 P0（同一份数据发布两次结果必须一致）。

// ---------- 造数与读数助手 ----------

// profileIDByCode 按编码取积分模板 id。
func profileIDByCode(t *testing.T, env *testEnv, code string) int64 {
	t.Helper()
	var id int64
	if err := env.ev.QueryRow(`SELECT id FROM scoring_profiles WHERE code = ?`, code).Scan(&id); err != nil {
		t.Fatalf("读积分模板 %s: %v", code, err)
	}
	return id
}

// addTeamManualChannel 给某小项加一条「团体手工名次」通道，返回通道 id。
func addTeamManualChannel(t *testing.T, env *testEnv, eventID int64) int64 {
	t.Helper()
	return env.insert(t, `INSERT INTO event_score_channels (event_id, scope, basis, profile_id, sort_order)
		VALUES (?, 'team', 'manual', ?, 9)`, eventID, profileIDByCode(t, env, "team_top6"))
}

// ledgerActiveDump 把未作废流水导出成文本：比条数与分值更严格，重复 / 丢失 / 顺序变化都能看出来。
func ledgerActiveDump(t *testing.T, env *testEnv) string {
	t.Helper()
	return tableDump(t, env, `SELECT team_id, COALESCE(entry_id, 0) AS entry_id, COALESCE(result_id, 0) AS result_id,
	       source_type, source_id, points, count_to_team
	  FROM score_ledger WHERE voided = 0
	 ORDER BY team_id, entry_id, result_id, source_type, source_id, points`)
}

// channelRanksDump 导出通道名次明细（不含自增 id 与时间戳，便于发布前后逐字节比较）。
func channelRanksDump(t *testing.T, env *testEnv) string {
	t.Helper()
	return tableDump(t, env, `SELECT event_id, category_id, channel_id, basis, scope, subject_key,
	       COALESCE(entry_id, 0) AS entry_id, COALESCE(result_id, 0) AS result_id,
	       COALESCE(athlete_id, 0) AS athlete_id, COALESCE(team_id, 0) AS team_id, rank, points
	  FROM channel_ranks ORDER BY event_id, category_id, channel_id, subject_key`)
}

// standingsChangeRows 统计 change_log 里推给大屏的榜单版本条数。
func standingsChangeRows(t *testing.T, env *testEnv) int {
	t.Helper()
	return countRows(t, env, `SELECT COUNT(*) FROM change_log WHERE entity_type = 'standings'`)
}

// activeLedgerTotal 统计未作废流水的分值合计。
func activeLedgerTotal(t *testing.T, env *testEnv) float64 {
	t.Helper()
	var total float64
	if err := env.ev.QueryRow(`SELECT COALESCE(SUM(points), 0) FROM score_ledger WHERE voided = 0`).Scan(&total); err != nil {
		t.Fatalf("统计流水合计: %v", err)
	}
	return total
}

// putTeamRanks 调团体名次写接口。
func putTeamRanks(t *testing.T, env *testEnv, client *http.Client, eventID, categoryID int64, ranks []map[string]any) (int, envelope) {
	t.Helper()
	return env.do(client, http.MethodPut,
		fmt.Sprintf("/api/events/%d/categories/%d/team-ranks", eventID, categoryID),
		map[string]any{"scope": "team", "basis": "manual", "ranks": ranks}, true)
}

// getTeamRanksRaw 调团体名次读接口，返回原始响应体（用于断言空数组等结构）。
func getTeamRanksRaw(t *testing.T, env *testEnv, client *http.Client, eventID, categoryID int64) (int, envelope) {
	t.Helper()
	return env.do(client, http.MethodGet,
		fmt.Sprintf("/api/events/%d/categories/%d/team-ranks", eventID, categoryID), nil, false)
}

// publishEvent 只调发布接口（不重新存草稿）：成绩已发布后再存草稿会被 409 拦下，
// 而「同一份数据发布两次」要验证的正是重复发布本身。
func publishEvent(t *testing.T, env *testEnv, client *http.Client, eventID int64, tag string) {
	t.Helper()
	status, env2 := env.do(client, http.MethodPost, "/api/results/publish",
		map[string]any{"eventId": eventID, "requestId": tag + "-publish"}, true)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("发布应 200，得到 %d %+v", status, env2.Error)
	}
}

// seedTeamEvent 建一个纯团体小项：一条团体报名项（athlete_id 为空）+ 一条按成绩排名的团体通道。
func seedTeamEvent(t *testing.T, env *testEnv, ids seedIDs) (eventID, categoryID, entryID int64) {
	t.Helper()
	eventID = env.insert(t, `INSERT INTO events (sport_id, code, name, event_type, result_mode, result_type,
	        compare, scored, multiplier, status)
		VALUES (?, 'T4X100', '4x100 米接力', 'team', 'auto', 'time', 'asc', 1, 1, 'ongoing')`, ids.sport)
	categoryID = env.insert(t, `INSERT INTO event_categories (event_id, name, multiplier, sort_order)
		VALUES (?, '男子', 1, 0)`, eventID)
	env.exec(t, `INSERT INTO event_score_channels (event_id, scope, basis, profile_id, sort_order)
		VALUES (?, 'team', 'result', ?, 0)`, eventID, profileIDByCode(t, env, "team_top6"))
	entryID = env.insert(t, `INSERT INTO entries (event_id, category_id, team_id, athlete_id, status)
		VALUES (?, ?, ?, NULL, 'registered')`, eventID, categoryID, ids.teamA)
	return eventID, categoryID, entryID
}

// ---------- 团体名次读写 ----------

// 团体手工名次走接口写入后：名次落 channel_manual_ranks、按单位算分、大屏榜单被推送。
func TestTeamManualRanksWriteRecomputesAndPushesStandings(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	addTeamManualChannel(t, env, ids.event)

	// 录入前：有通道、有单位清单，但没有任何名次。
	status, env2 := getTeamRanksRaw(t, env, client, ids.event, ids.category)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("读团体名次应 200，得到 %d %+v", status, env2.Error)
	}
	view := decodeData[map[string]any](t, env2)
	if len(view["channels"].([]any)) != 1 || len(view["teams"].([]any)) != 2 || len(view["ranks"].([]any)) != 0 {
		t.Fatalf("录入前的视图应为「1 通道 + 2 单位 + 0 名次」，得到 %+v", view)
	}

	before := standingsChangeRows(t, env)
	status, env2 = putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamA, "rank": 1},
		{"teamId": ids.teamB, "rank": 2},
	})
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("写团体名次应 200，得到 %d %+v", status, env2.Error)
	}
	filled := decodeData[map[string]any](t, env2)
	if len(filled["ranks"].([]any)) != 2 {
		t.Fatalf("写后应回填两条名次，得到 %+v", filled["ranks"])
	}
	if filled["categoryId"] != nil {
		t.Fatalf("按组别路径取时响应不该带 categoryId，得到 %+v", filled["categoryId"])
	}

	// 团体名次只记单位：流水的 entry_id / result_id 都为空（「无报名项归属」那一类）。
	if n := countRows(t, env, `SELECT COUNT(*) FROM score_ledger WHERE voided = 0`); n != 2 {
		t.Fatalf("团体名次应产出 2 条流水，得到 %d 条", n)
	}
	if n := countRows(t, env, `SELECT COUNT(*) FROM score_ledger
	                            WHERE voided = 0 AND (entry_id IS NOT NULL OR result_id IS NOT NULL)`); n != 0 {
		t.Fatalf("团体名次流水不该挂报名项/成绩，得到 %d 条", n)
	}

	// 名次与流水同源：A 第 1 名 15 分、B 第 2 名 10 分。
	if got := teamPoints(t, env, client, ids.teamA); got != 15 {
		t.Fatalf("A 单位总分应为 15，得到 %v", got)
	}
	if got := teamPoints(t, env, client, ids.teamB); got != 10 {
		t.Fatalf("B 单位总分应为 10，得到 %v", got)
	}

	// channel_ranks 是榜单读取来源：主体是单位，名次与分值同引擎口径。
	for _, want := range []struct {
		teamID int64
		rank   int
		points float64
	}{{ids.teamA, 1, 15}, {ids.teamB, 2, 10}} {
		n := countRows(t, env, `SELECT COUNT(*) FROM channel_ranks
		                        WHERE subject_key = ? AND scope = 'team' AND basis = 'manual'
		                          AND team_id = ? AND rank = ? AND points = ?`,
			fmt.Sprintf("t:%d", want.teamID), want.teamID, want.rank, want.points)
		if n != 1 {
			t.Fatalf("channel_ranks 应有一行 team_id=%d rank=%d points=%v，得到 %d 行：%s",
				want.teamID, want.rank, want.points, n, channelRanksDump(t, env))
		}
	}

	// 大屏：写名次必须推榜单，否则界面说保存了、榜单还是旧分。
	if after := standingsChangeRows(t, env); after <= before {
		t.Fatalf("写团体名次后应推榜单：之前 %d 条，之后 %d 条", before, after)
	}

	// rank=0 表示清空该单位的记录：B 回到无分。
	status, env2 = putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamB, "rank": 0},
	})
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("清空 B 的名次应 200，得到 %d %+v", status, env2.Error)
	}
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_manual_ranks WHERE team_id = ?`, ids.teamB); n != 0 {
		t.Fatalf("rank=0 应删掉该单位的记录，得到 %d 条", n)
	}
	if got := teamPoints(t, env, client, ids.teamB); got != 0 {
		t.Fatalf("清空后 B 应无分，得到 %v", got)
	}
	if got := teamPoints(t, env, client, ids.teamA); got != 15 {
		t.Fatalf("清空 B 不该动 A，得到 %v", got)
	}
}

// 按组别重算只动该组别：团体名次的流水是「无报名项归属」那一类，
// 按组别重算时若只作废不补算，另一组的名次分就会凭空消失（设计 17 §十一.2）。
func TestTeamManualRanksCategoryRecomputeKeepsOtherGroups(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	addTeamManualChannel(t, env, ids.event)
	otherCat := env.insert(t, `INSERT INTO event_categories (event_id, name, multiplier, sort_order)
		VALUES (?, '女子', 1, 1)`, ids.event)

	// 两个组别各录一轮团体名次（名次只在组别内有效，A/B 的先后可以不同）。
	if status, env2 := putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamA, "rank": 1},
		{"teamId": ids.teamB, "rank": 2},
	}); status != http.StatusOK {
		t.Fatalf("写男子组名次应 200，得到 %d %+v", status, env2.Error)
	}
	if status, env2 := putTeamRanks(t, env, client, ids.event, otherCat, []map[string]any{
		{"teamId": ids.teamA, "rank": 2},
		{"teamId": ids.teamB, "rank": 1},
	}); status != http.StatusOK {
		t.Fatalf("写女子组名次应 200，得到 %d %+v", status, env2.Error)
	}
	// A = 15 + 10、B = 10 + 15；四类「无报名项归属」流水都在。
	if total := activeLedgerTotal(t, env); total != 50 {
		t.Fatalf("两组名次分合计应为 50，得到 %v", total)
	}
	ledgerBefore := ledgerActiveDump(t, env)
	ranksBefore := channelRanksDump(t, env)

	// 只重写男子组：女子组的团体名次分必须原样保留（既不丢也不翻倍）。
	status, env2 := putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamA, "rank": 1},
		{"teamId": ids.teamB, "rank": 2},
	})
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("重写男子组名次应 200，得到 %d %+v", status, env2.Error)
	}
	if after := ledgerActiveDump(t, env); after != ledgerBefore {
		t.Fatalf("按组别重算不该动其它组别的名次分：\n之前 %s\n之后 %s", ledgerBefore, after)
	}
	if after := channelRanksDump(t, env); after != ranksBefore {
		t.Fatalf("按组别重算不该动其它组别的名次：\n之前 %s\n之后 %s", ranksBefore, after)
	}
	if total := activeLedgerTotal(t, env); total != 50 {
		t.Fatalf("重算后合计应仍为 50，得到 %v", total)
	}
}

// P0 回归：同一份数据连发两次，流水与名次必须逐字节一致。
func TestPublishTwiceKeepsLedgerAndRanksIdentical(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	addTeamManualChannel(t, env, ids.event)

	// 团体名次先录好：双通道项目（个人按成绩 + 团体按录入名次）。
	if status, env2 := putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamA, "rank": 1},
		{"teamId": ids.teamB, "rank": 2},
	}); status != http.StatusOK {
		t.Fatalf("写团体名次应 200，得到 %d %+v", status, env2.Error)
	}

	publishResults(t, env, client, ids.event, "p1",
		map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
		map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
	)
	// 个人通道 10 / 8 分；团体手工通道读 channel_manual_ranks，不受 results.rank 影响。
	if total := activeLedgerTotal(t, env); total != 10+8+15+10 {
		t.Fatalf("首次发布后合计应为 43（10+8+15+10），得到 %v", total)
	}
	ledgerFirst := ledgerActiveDump(t, env)
	ranksFirst := channelRanksDump(t, env)
	// channel_ranks 每个通道每个主体一行：个人 2 行 + 团体 2 行。
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_ranks`); n != 4 {
		t.Fatalf("channel_ranks 应有 4 行（个人 2 + 团体 2），得到 %d", n)
	}
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_ranks WHERE category_id = ?`, ids.category); n != 4 {
		t.Fatalf("该组别应有 4 行名次，得到 %d", n)
	}

	// 换一个 requestId，确保第二次是真执行而不是幂等回放（成绩已发布，不再重存草稿）。
	publishEvent(t, env, client, ids.event, "p2")
	if total := activeLedgerTotal(t, env); total != 43 {
		t.Fatalf("第二次发布后合计应仍为 43（不得翻倍），得到 %v", total)
	}
	if after := ledgerActiveDump(t, env); after != ledgerFirst {
		t.Fatalf("同一份数据发布两次流水应完全一致：\n第一次 %s\n第二次 %s", ledgerFirst, after)
	}
	if after := channelRanksDump(t, env); after != ranksFirst {
		t.Fatalf("同一份数据发布两次名次应完全一致：\n第一次 %s\n第二次 %s", ranksFirst, after)
	}
}

// 团体通道的名次不进 results.rank：个人名次照写，团体报名项的名次留在 channel_ranks。
func TestApplyComputedRanksLeavesTeamRanksAlone(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	eventID, categoryID, teamEntry := seedTeamEvent(t, env, ids)

	// 个人小项：两条个人成绩，rank 应写回 results。
	publishResults(t, env, client, ids.event, "ind",
		map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
		map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
	)
	// 纯团体小项：团体报名项（athlete_id 为空）按成绩排名。
	publishResults(t, env, client, eventID, "team",
		map[string]any{"entryId": teamEntry, "resultValue": 45.20, "resultText": "45.20", "unit": "s", "status": "ok"},
	)

	var rankA, rankB, teamRank any
	if err := env.ev.QueryRow(`SELECT rank FROM results WHERE entry_id = ?`, ids.entryA).Scan(&rankA); err != nil {
		t.Fatalf("读个人名次: %v", err)
	}
	if err := env.ev.QueryRow(`SELECT rank FROM results WHERE entry_id = ?`, ids.entryB).Scan(&rankB); err != nil {
		t.Fatalf("读个人名次: %v", err)
	}
	if err := env.ev.QueryRow(`SELECT rank FROM results WHERE entry_id = ?`, teamEntry).Scan(&teamRank); err != nil {
		t.Fatalf("读团体名次: %v", err)
	}
	if rankA != int64(1) || rankB != int64(2) {
		t.Fatalf("个人名次应回写 results.rank（1 / 2），得到 %v / %v", rankA, rankB)
	}
	if teamRank != nil {
		t.Fatalf("团体名次不该写进 results.rank，得到 %v", teamRank)
	}

	// 但团体名次必须落在 channel_ranks，奖牌榜才看得到。
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_ranks
	                            WHERE event_id = ? AND category_id = ? AND scope = 'team' AND rank = 1`, eventID, categoryID); n != 1 {
		t.Fatalf("团体名次应落 channel_ranks 一行 rank=1，得到 %d 行", n)
	}
	if got := teamPoints(t, env, client, ids.teamA); got != 15+10 {
		t.Fatalf("A 应拿团体 15 分与个人 10 分，得到 %v", got)
	}
}

// ---------- 改配置即重算 ----------

// 整体替换通道会重建通道 id（channel_ranks 随之级联清空）：必须重算重建 + 推榜单。
func TestReplaceChannelsRecomputesAndPushesStandings(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	publishResults(t, env, client, ids.event, "cfg",
		map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
		map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
	)
	ledgerBefore := ledgerActiveDump(t, env)
	before := standingsChangeRows(t, env)

	status, env2 := env.do(client, http.MethodPut, fmt.Sprintf("/api/events/%d/channels", ids.event),
		map[string]any{"channels": []map[string]any{
			{"scope": "athlete", "basis": "result", "profileId": profileIDByCode(t, env, "individual_top6"), "sortOrder": 0},
		}}, true)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("替换通道应 200，得到 %d %+v", status, env2.Error)
	}
	if after := ledgerActiveDump(t, env); after != ledgerBefore {
		t.Fatalf("同配置替换通道后流水应一致：\n之前 %s\n之后 %s", ledgerBefore, after)
	}
	// 通道 id 变了、旧名次被级联删掉；不重算就会是空榜。
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_ranks WHERE event_id = ?`, ids.event); n != 2 {
		t.Fatalf("替换通道后应重建 2 行名次，得到 %d", n)
	}
	if after := standingsChangeRows(t, env); after <= before {
		t.Fatalf("替换通道应推榜单：之前 %d，之后 %d", before, after)
	}
}

// updateEvent 只在 multiplier / avg_mode / scored / award_medals 真的变了时重算并推榜。
func TestUpdateEventRecomputesOnlyOnScoringFieldChange(t *testing.T) {
	type tc struct {
		name   string
		mutate func(body map[string]any)
		check  func(t *testing.T, env *testEnv, ids seedIDs, client *http.Client)
	}

	baseBody := func(ids seedIDs) map[string]any {
		return map[string]any{
			"sportId": ids.sport, "code": "M100", "name": "100米跑",
			"eventType": "individual", "resultMode": "auto", "resultType": "time",
			"compare": "asc", "multiplier": 1, "status": "ongoing", "avgMode": "valid",
		}
	}

	cases := []tc{
		{
			name:   "multiplier 真变",
			mutate: func(b map[string]any) { b["multiplier"] = 2 },
			check: func(t *testing.T, env *testEnv, ids seedIDs, client *http.Client) {
				if total := activeLedgerTotal(t, env); total != 20+16 {
					t.Fatalf("权重翻倍后合计应为 36，得到 %v", total)
				}
			},
		},
		{
			name:   "avg_mode 真变",
			mutate: func(b map[string]any) { b["avgMode"] = "all" },
			check: func(t *testing.T, env *testEnv, ids seedIDs, client *http.Client) {
				// 个人按成绩的通道不受平均值口径影响：分值不变，但流水被重写了一遍。
				if total := activeLedgerTotal(t, env); total != 18 {
					t.Fatalf("改平均值口径不该改个人通道分值，得到 %v", total)
				}
				if n := countRows(t, env, `SELECT COUNT(*) FROM score_ledger WHERE voided = 1`); n == 0 {
					t.Fatalf("改平均值口径应触发重算（应有作废流水）")
				}
			},
		},
		{
			name:   "scored 真变",
			mutate: func(b map[string]any) { b["scored"] = false },
			check: func(t *testing.T, env *testEnv, ids seedIDs, client *http.Client) {
				if total := activeLedgerTotal(t, env); total != 0 {
					t.Fatalf("关掉计分后应无流水，得到 %v", total)
				}
				if got := teamPoints(t, env, client, ids.teamA); got != 0 {
					t.Fatalf("关掉计分后榜单应清零，得到 %v", got)
				}
			},
		},
		{
			name:   "award_medals 真变",
			mutate: func(b map[string]any) { b["awardMedals"] = false },
			check: func(t *testing.T, env *testEnv, ids seedIDs, client *http.Client) {
				if total := activeLedgerTotal(t, env); total != 18 {
					t.Fatalf("关掉奖牌不该动积分，得到 %v", total)
				}
				if gold := teamGold(t, env, client, ids.teamA); gold != 0 {
					t.Fatalf("关掉奖牌结算后 A 不该有金牌，得到 %d", gold)
				}
			},
		},
	}

	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			env, ids, client := recorderWithSeed(t)
			publishResults(t, env, client, ids.event, "evt",
				map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
				map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
			)
			if gold := teamGold(t, env, client, ids.teamA); gold != 1 {
				t.Fatalf("前置条件：A 应有 1 金，得到 %d", gold)
			}
			before := standingsChangeRows(t, env)

			body := baseBody(ids)
			c.mutate(body)
			status, env2 := env.do(client, http.MethodPut, fmt.Sprintf("/api/events/%d", ids.event), body, true)
			if status != http.StatusOK || !env2.OK {
				t.Fatalf("更新小项应 200，得到 %d %+v", status, env2.Error)
			}
			if after := standingsChangeRows(t, env); after <= before {
				t.Fatalf("改算分字段应推榜单：之前 %d，之后 %d", before, after)
			}
			c.check(t, env, ids, client)
		})
	}

	// 只改名不该触发重算：既不重写流水，也不推榜单（重算会白作废一遍、还多一次推送）。
	t.Run("只改名不重算", func(t *testing.T) {
		env, ids, client := recorderWithSeed(t)
		publishResults(t, env, client, ids.event, "noop",
			map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
			map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
		)
		before := standingsChangeRows(t, env)
		ledgerBefore := ledgerActiveDump(t, env)

		body := baseBody(ids)
		body["name"] = "100米跑（改名）"
		status, env2 := env.do(client, http.MethodPut, fmt.Sprintf("/api/events/%d", ids.event), body, true)
		if status != http.StatusOK || !env2.OK {
			t.Fatalf("更新小项应 200，得到 %d %+v", status, env2.Error)
		}
		if n := countRows(t, env, `SELECT COUNT(*) FROM score_ledger WHERE voided = 1`); n != 0 {
			t.Fatalf("只改名不该重算，得到 %d 条作废流水", n)
		}
		if after := ledgerActiveDump(t, env); after != ledgerBefore {
			t.Fatalf("只改名不该动流水:\n之前 %s\n之后 %s", ledgerBefore, after)
		}
		if after := standingsChangeRows(t, env); after != before {
			t.Fatalf("只改名不该推榜单：之前 %d，之后 %d", before, after)
		}
	})
}

// 积分模板分值变更要全量重算（模板是算分公式的输入）。
func TestUpdateProfileRecomputesAllEvents(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	publishResults(t, env, client, ids.event, "prof",
		map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
		map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
	)
	if total := activeLedgerTotal(t, env); total != 18 {
		t.Fatalf("前置条件：合计应为 18，得到 %v", total)
	}
	before := standingsChangeRows(t, env)

	profileID := profileIDByCode(t, env, "individual_top6")
	status, env2 := env.do(client, http.MethodGet, fmt.Sprintf("/api/scoring-profiles/%d", profileID), nil, false)
	if status != http.StatusOK {
		t.Fatalf("读积分模板应 200，得到 %d", status)
	}
	body := decodeData[map[string]any](t, env2)
	body["rules"] = []map[string]any{
		{"rank": 1, "points": 20},
		{"rank": 2, "points": 16},
		{"rank": 3, "points": 6},
		{"rank": 4, "points": 3},
		{"rank": 5, "points": 2},
		{"rank": 6, "points": 1},
	}
	status, env2 = env.do(client, http.MethodPut, fmt.Sprintf("/api/scoring-profiles/%d", profileID), body, true)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("更新积分模板应 200，得到 %d %+v", status, env2.Error)
	}
	if total := activeLedgerTotal(t, env); total != 20+16 {
		t.Fatalf("模板改分后应全量重算为 36，得到 %v", total)
	}
	if after := standingsChangeRows(t, env); after <= before {
		t.Fatalf("模板改分应推榜单：之前 %d，之后 %d", before, after)
	}
}

// ---------- 鉴权与校验 ----------

func TestTeamRanksAuthAndValidation(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	addTeamManualChannel(t, env, ids.event)

	// guest 只读：读 200。
	guest, _ := env.client()
	if status, _ := getTeamRanksRaw(t, env, guest, ids.event, ids.category); status != http.StatusOK {
		t.Fatalf("guest 读团体名次应 200，得到 %d", status)
	}
	// guest 写被拦（与其它写路由同口径：未登录 → 401 AUTH_REQUIRED，不是 200）。
	// 未登录请求由 RequireWrite 处理，不带 CSRF 也无需 CSRF。
	status, env2 := env.do(guest, http.MethodPut,
		fmt.Sprintf("/api/events/%d/categories/%d/team-ranks", ids.event, ids.category),
		map[string]any{"scope": "team", "basis": "manual", "ranks": []map[string]any{{"teamId": ids.teamA, "rank": 1}}},
		false)
	if status != http.StatusUnauthorized || env2.Error == nil || env2.Error.Code != "AUTH_REQUIRED" {
		t.Fatalf("guest 写团体名次应 401 AUTH_REQUIRED，得到 %d %+v", status, env2.Error)
	}
	if n := countRows(t, env, `SELECT COUNT(*) FROM channel_manual_ranks`); n != 0 {
		t.Fatalf("被拦下的写请求不该落库，得到 %d 条", n)
	}

	// recorder 可写。
	if status, env2 := putTeamRanks(t, env, client, ids.event, ids.category,
		[]map[string]any{{"teamId": ids.teamA, "rank": 1}}); status != http.StatusOK {
		t.Fatalf("recorder 写团体名次应 200，得到 %d %+v", status, env2.Error)
	}

	// 校验失败一律 400 + 标准错误体（不是 500，也不能静默成功）。
	checkBadRequest := func(name string, wantCode any, ranks []map[string]any, scope string) {
		t.Helper()
		status, resp := env.do(client, http.MethodPut,
			fmt.Sprintf("/api/events/%d/categories/%d/team-ranks", ids.event, ids.category),
			map[string]any{"scope": scope, "basis": "manual", "ranks": ranks}, true)
		if status != http.StatusBadRequest {
			t.Fatalf("%s 应 400，得到 %d %+v", name, status, resp.Error)
		}
		if resp.Error == nil || resp.Error.Code != "VALIDATION_FAILED" || resp.Error.Message == "" {
			t.Fatalf("%s 应返回 VALIDATION_FAILED 标准错误体，得到 %+v", name, resp.Error)
		}
		if wantCode != nil && !containsDetail(resp.Error.Detail, wantCode) {
			t.Fatalf("%s 的 detail 应指向 %v，得到 %s", name, wantCode, resp.Error.Detail)
		}
	}

	checkBadRequest("rank 为负", nil, []map[string]any{{"teamId": ids.teamA, "rank": -1}}, "team")
	checkBadRequest("teamId 不存在", float64(999999), []map[string]any{{"teamId": 999999, "rank": 1}}, "team")

	// 已假删除的单位也不能写。
	env.exec(t, `UPDATE teams SET deleted_at = datetime('now'), active = 0 WHERE id = ?`, ids.teamB)
	checkBadRequest("teamId 已假删除", float64(ids.teamB), []map[string]any{{"teamId": ids.teamB, "rank": 1}}, "team")

	// scope/basis 与该小项的通道对不上。
	checkBadRequest("scope 不匹配", "athlete", []map[string]any{{"teamId": ids.teamA, "rank": 1}}, "athlete")
}

// 单位积分下钻的名次列也要读 channel_ranks：团体名次没有 results.rank 可读（设计 17 §11.3）。
func TestTeamBreakdownShowsChannelRanks(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	addTeamManualChannel(t, env, ids.event)
	publishResults(t, env, client, ids.event, "bd",
		map[string]any{"entryId": ids.entryA, "resultValue": 11.58, "resultText": "11.58", "unit": "s", "status": "ok"},
		map[string]any{"entryId": ids.entryB, "resultValue": 11.92, "resultText": "11.92", "unit": "s", "status": "ok"},
	)
	if status, env2 := putTeamRanks(t, env, client, ids.event, ids.category, []map[string]any{
		{"teamId": ids.teamA, "rank": 1},
		{"teamId": ids.teamB, "rank": 2},
	}); status != http.StatusOK {
		t.Fatalf("写团体名次应 200，得到 %d %+v", status, env2.Error)
	}

	status, env2 := env.do(client, http.MethodGet,
		fmt.Sprintf("/api/standings/teams/%d/breakdown", ids.teamA), nil, false)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("读单位积分明细应 200，得到 %d %+v", status, env2.Error)
	}
	breakdown := decodeData[map[string]any](t, env2)
	ranks := make(map[float64]any)
	for _, raw := range breakdown["items"].([]any) {
		item := raw.(map[string]any)
		ranks[item["points"].(float64)] = item["rank"]
	}
	// 个人流水（10 分）与团体名次流水（15 分）都要能显示名次：A 两项都是第 1 名。
	if ranks[10] != float64(1) {
		t.Fatalf("个人流水应显示名次 1，得到 %+v", ranks)
	}
	if ranks[15] != float64(1) {
		t.Fatalf("团体名次流水应显示名次 1（读 channel_ranks），得到 %+v", ranks)
	}
}

// ---------- 录入页载荷 ----------

// 成绩录入接口随行下发团体名次：有团体手工通道的组别才出现在 teamRanks 里。
func TestEntryBoardCarriesTeamRanks(t *testing.T) {
	env, ids, client := recorderWithSeed(t)
	otherCat := env.insert(t, `INSERT INTO event_categories (event_id, name, multiplier, sort_order)
		VALUES (?, '女子', 1, 1)`, ids.event)

	// 没有团体手工通道时：teamRanks 是空数组，不是 null / 不是缺字段。
	board := getEntryBoard(t, env, client, ids.event)
	if board.TeamRanks == nil || len(board.TeamRanks) != 0 {
		t.Fatalf("无团体手工通道时 teamRanks 应为空数组，得到 %+v", board.TeamRanks)
	}
	if len(board.Entries) != 2 {
		t.Fatalf("报名行应照旧下发 2 条，得到 %d", len(board.Entries))
	}

	addTeamManualChannel(t, env, ids.event)
	if status, env2 := putTeamRanks(t, env, client, ids.event, otherCat, []map[string]any{
		{"teamId": ids.teamA, "rank": 3},
	}); status != http.StatusOK {
		t.Fatalf("写女子组名次应 200，得到 %d %+v", status, env2.Error)
	}

	board = getEntryBoard(t, env, client, ids.event)
	if len(board.TeamRanks) != 2 {
		t.Fatalf("两个组别都应随行下发团体名次视图，得到 %+v", board.TeamRanks)
	}
	byCategory := make(map[float64]map[string]any, len(board.TeamRanks))
	for _, view := range board.TeamRanks {
		id, _ := view["categoryId"].(float64)
		byCategory[id] = view
	}
	other := byCategory[float64(otherCat)]
	if other == nil {
		t.Fatalf("随行视图应带 categoryId 供录入页按组别取用，得到 %+v", board.TeamRanks)
	}
	if len(other["channels"].([]any)) != 1 || len(other["teams"].([]any)) != 2 || len(other["ranks"].([]any)) != 1 {
		t.Fatalf("女子组视图应为「1 通道 + 2 单位 + 1 名次」，得到 %+v", other)
	}
	if v := byCategory[float64(ids.category)]; v == nil || len(v["ranks"].([]any)) != 0 {
		t.Fatalf("男子组视图应存在但没有名次，得到 %+v", byCategory)
	}
}

// containsDetail 判断错误 detail 里是否出现某个值（detail 可能是数字或字符串数组）。
func containsDetail(detail []byte, want any) bool {
	s := string(detail)
	switch v := want.(type) {
	case string:
		return strings.Contains(s, v)
	case float64:
		return strings.Contains(s, fmt.Sprintf("%d", int64(v)))
	default:
		return strings.Contains(s, fmt.Sprint(v))
	}
}

// teamGold 从榜单读某单位的金牌数。
func teamGold(t *testing.T, env *testEnv, client *http.Client, teamID int64) int {
	t.Helper()
	status, env2 := env.do(client, http.MethodGet, "/api/standings", nil, false)
	if status != http.StatusOK || !env2.OK {
		t.Fatalf("读积分榜应 200，得到 %d %+v", status, env2.Error)
	}
	for _, row := range decodeData[[]map[string]any](t, env2) {
		if row["teamId"] == float64(teamID) {
			gold, _ := row["gold"].(float64)
			return int(gold)
		}
	}
	return 0
}