package repository

import (
	"database/sql"
	"errors"
	"strings"
	"testing"

	"github.com/go-sql-driver/mysql"
	_ "modernc.org/sqlite"

	"cmautobuy/admin/model"
)

func TestInterruptApplyingInnerCodes_只收敛回写中记录(t *testing.T) {
	db, err := sql.Open("sqlite", "file:inner_code_interrupt?mode=memory&cache=shared")
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if _, err := db.Exec(`CREATE TABLE syb_inner_code_records (
		id INTEGER PRIMARY KEY,status TEXT NOT NULL,result_message TEXT,updated_at TEXT NOT NULL
	)`); err != nil {
		t.Fatal(err)
	}
	if _, err := db.Exec(`INSERT INTO syb_inner_code_records(id,status,updated_at) VALUES
		(1,'applying','old'),(2,'ready','old')`); err != nil {
		t.Fatal(err)
	}
	count, err := InterruptApplyingInnerCodes(db, "2026-08-15T01:00:00Z")
	if err != nil || count != 1 {
		t.Fatalf("count=%d err=%v", count, err)
	}
	var status, message, updatedAt string
	if err := db.QueryRow(`SELECT status,result_message,updated_at FROM syb_inner_code_records WHERE id=1`).
		Scan(&status, &message, &updatedAt); err != nil {
		t.Fatal(err)
	}
	if status != "needs_check" || message == "" || updatedAt != "2026-08-15T01:00:00Z" {
		t.Fatalf("status=%s message=%q updated=%s", status, message, updatedAt)
	}
	if err := db.QueryRow(`SELECT status FROM syb_inner_code_records WHERE id=2`).Scan(&status); err != nil || status != "ready" {
		t.Fatalf("ready 记录不应变化 status=%s err=%v", status, err)
	}
}

func TestInnerCodeImportWriteError_唯一冲突不泄漏索引细节(t *testing.T) {
	err := innerCodeImportWriteError("新增失败", &mysql.MySQLError{Number: 1062, Message: "Duplicate entry for uq-secret"})
	if !errors.Is(err, ErrInnerCodeUniqueConflict) {
		t.Fatalf("应识别 MySQL 1062: %v", err)
	}
	if err.Error() != "新增失败: "+ErrInnerCodeUniqueConflict.Error() {
		t.Fatalf("不应回显索引细节: %v", err)
	}
}

func TestSoftDeleteInnerCodeRecords_所有状态只写删除审计(t *testing.T) {
	db, err := sql.Open("sqlite", "file:inner_code_delete?mode=memory&cache=shared")
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if _, err := db.Exec(`CREATE TABLE syb_inner_code_records (
		id INTEGER PRIMARY KEY,status TEXT NOT NULL,deleted_at TEXT,deleted_by_user_id TEXT,updated_at TEXT NOT NULL
	)`); err != nil {
		t.Fatal(err)
	}
	statuses := []string{"pending", "ready", "applying", "updated", "already_filled", "skipped", "failed", "needs_check"}
	for index, status := range statuses {
		if _, err := db.Exec(`INSERT INTO syb_inner_code_records(id,status,updated_at) VALUES(?,?,?)`, index+1, status, "old"); err != nil {
			t.Fatal(err)
		}
	}
	ids := make([]int64, len(statuses))
	for index := range ids {
		ids[index] = int64(index + 1)
	}
	count, err := SoftDeleteInnerCodeRecords(db, ids, "user-1", "2026-08-15T02:00:00Z")
	if err != nil || count != len(statuses) {
		t.Fatalf("count=%d err=%v", count, err)
	}
	rows, err := db.Query(`SELECT status,deleted_at,deleted_by_user_id,updated_at FROM syb_inner_code_records ORDER BY id`)
	if err != nil {
		t.Fatal(err)
	}
	defer rows.Close()
	index := 0
	for rows.Next() {
		var status, deletedAt, actor, updatedAt string
		if err := rows.Scan(&status, &deletedAt, &actor, &updatedAt); err != nil {
			t.Fatal(err)
		}
		if status != statuses[index] || deletedAt != "2026-08-15T02:00:00Z" || actor != "user-1" || updatedAt != deletedAt {
			t.Fatalf("第 %d 行状态或审计变化错误: %s %s %s %s", index+1, status, deletedAt, actor, updatedAt)
		}
		index++
	}
}

func TestSoftDeleteInnerCodeRecords_有失效ID时整批回滚(t *testing.T) {
	db, err := sql.Open("sqlite", "file:inner_code_delete_conflict?mode=memory&cache=shared")
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if _, err := db.Exec(`CREATE TABLE syb_inner_code_records (
		id INTEGER PRIMARY KEY,status TEXT NOT NULL,deleted_at TEXT,deleted_by_user_id TEXT,updated_at TEXT NOT NULL
	); INSERT INTO syb_inner_code_records(id,status,updated_at) VALUES(1,'pending','old')`); err != nil {
		t.Fatal(err)
	}
	if _, err := SoftDeleteInnerCodeRecords(db, []int64{1, 99}, "user-1", "2026-08-15T02:00:00Z"); !errors.Is(err, ErrInnerCodeDeleteConflict) {
		t.Fatalf("期望整批冲突，实际 %v", err)
	}
	var deletedAt sql.NullString
	if err := db.QueryRow(`SELECT deleted_at FROM syb_inner_code_records WHERE id=1`).Scan(&deletedAt); err != nil {
		t.Fatal(err)
	}
	if deletedAt.Valid {
		t.Fatalf("整批回滚后不应保留删除标记: %+v", deletedAt)
	}
}

func TestFinishInnerCodeApply_软删除后仍保存后台结果(t *testing.T) {
	db, err := sql.Open("sqlite", "file:inner_code_finish_deleted?mode=memory&cache=shared")
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if _, err := db.Exec(`CREATE TABLE syb_inner_code_records (
		id INTEGER PRIMARY KEY,status TEXT NOT NULL,result_message TEXT,remote_inner_code TEXT,
		applied_at TEXT,updated_at TEXT NOT NULL,deleted_at TEXT
	); INSERT INTO syb_inner_code_records(id,status,updated_at,deleted_at)
		VALUES(1,'applying','old','2026-08-15T02:00:00Z')`); err != nil {
		t.Fatal(err)
	}
	if err := FinishInnerCodeApply(db, 1, model.InnerCodeUpdated, "远端核验成功", "DK-1", "2026-08-15T02:01:00Z"); err != nil {
		t.Fatal(err)
	}
	var status, message, remoteCode, appliedAt, deletedAt string
	if err := db.QueryRow(`SELECT status,result_message,remote_inner_code,applied_at,deleted_at
		FROM syb_inner_code_records WHERE id=1`).Scan(&status, &message, &remoteCode, &appliedAt, &deletedAt); err != nil {
		t.Fatal(err)
	}
	if status != "updated" || message != "远端核验成功" || remoteCode != "DK-1" ||
		appliedAt != "2026-08-15T02:01:00Z" || deletedAt != "2026-08-15T02:00:00Z" {
		t.Fatalf("隐藏记录后台收尾错误: %s %s %s %s %s", status, message, remoteCode, appliedAt, deletedAt)
	}
}

func TestInnerCodeStatusPreservesImportResult(t *testing.T) {
	for _, status := range []string{"pending", "ready", "skipped", "failed"} {
		if innerCodeStatusPreservesImportResult(model.InnerCodeStatus(status)) {
			t.Errorf("%s 不应保留旧规划", status)
		}
	}
	for _, status := range []string{"applying", "updated", "already_filled", "needs_check"} {
		if !innerCodeStatusPreservesImportResult(model.InnerCodeStatus(status)) {
			t.Errorf("%s 应保留远端结果和审计", status)
		}
	}
}

func TestInnerCodeFilterClause_正常列表固定隐藏软删除记录(t *testing.T) {
	where, args := innerCodeFilterClause(InnerCodeListFilter{BusinessDate: "2026-08-15", Status: "ready", Keyword: "ORDER"})
	if !strings.Contains(where, "deleted_at IS NULL") || len(args) != 6 {
		t.Fatalf("列表软删除过滤不完整: where=%q args=%v", where, args)
	}
}