package user

import (
	"errors"
	"testing"

	"perms-system-server/internal/response"
	"perms-system-server/internal/svc"
	"perms-system-server/internal/testutil"
	"perms-system-server/internal/testutil/ctxhelper"
	"perms-system-server/internal/types"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

// TC-0133: 正常绑定
func TestBindRoles_Success(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	username := testutil.UniqueId()
	userId := insertTestUser(t, ctx, username, testutil.HashPassword("pass"))
	t.Cleanup(func() {
		testutil.CleanTableByField(ctx, conn, "`sys_user_role`", "userId", userId)
		testutil.CleanTable(ctx, conn, "`sys_user`", userId)
	})

	logic := NewBindRolesLogic(ctx, svcCtx)
	err := logic.BindRoles(&types.BindRolesReq{
		UserId:  userId,
		RoleIds: []int64{10, 20, 30},
	})
	require.NoError(t, err)

	roleIds, err := svcCtx.SysUserRoleModel.FindRoleIdsByUserId(ctx, userId)
	require.NoError(t, err)
	assert.ElementsMatch(t, []int64{10, 20, 30}, roleIds)
}

// TC-0134: 用户不存在
func TestBindRoles_UserNotFound(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())

	logic := NewBindRolesLogic(ctx, svcCtx)
	err := logic.BindRoles(&types.BindRolesReq{
		UserId:  999999999,
		RoleIds: []int64{1},
	})
	require.Error(t, err)

	var codeErr *response.CodeError
	require.True(t, errors.As(err, &codeErr))
	assert.Equal(t, 404, codeErr.Code())
	assert.Equal(t, "用户不存在", codeErr.Error())
}

// TC-0135: 清空角色
func TestBindRoles_EmptyRoleIds_ClearsAll(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	username := testutil.UniqueId()
	userId := insertTestUser(t, ctx, username, testutil.HashPassword("pass"))
	t.Cleanup(func() {
		testutil.CleanTableByField(ctx, conn, "`sys_user_role`", "userId", userId)
		testutil.CleanTable(ctx, conn, "`sys_user`", userId)
	})

	logic := NewBindRolesLogic(ctx, svcCtx)
	err := logic.BindRoles(&types.BindRolesReq{
		UserId:  userId,
		RoleIds: []int64{10, 20},
	})
	require.NoError(t, err)

	err = logic.BindRoles(&types.BindRolesReq{
		UserId:  userId,
		RoleIds: []int64{},
	})
	require.NoError(t, err)

	roleIds, err := svcCtx.SysUserRoleModel.FindRoleIdsByUserId(ctx, userId)
	require.NoError(t, err)
	assert.Empty(t, roleIds)
}

// TC-0133: 正常绑定
func TestBindRoles_Rebind(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	username := testutil.UniqueId()
	userId := insertTestUser(t, ctx, username, testutil.HashPassword("pass"))
	t.Cleanup(func() {
		testutil.CleanTableByField(ctx, conn, "`sys_user_role`", "userId", userId)
		testutil.CleanTable(ctx, conn, "`sys_user`", userId)
	})

	logic := NewBindRolesLogic(ctx, svcCtx)
	err := logic.BindRoles(&types.BindRolesReq{
		UserId:  userId,
		RoleIds: []int64{10, 20},
	})
	require.NoError(t, err)

	err = logic.BindRoles(&types.BindRolesReq{
		UserId:  userId,
		RoleIds: []int64{30, 40},
	})
	require.NoError(t, err)

	roleIds, err := svcCtx.SysUserRoleModel.FindRoleIdsByUserId(ctx, userId)
	require.NoError(t, err)
	assert.ElementsMatch(t, []int64{30, 40}, roleIds)
}