package dept

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-0089: 正常更新
func TestUpdateDept_Normal(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	deptId, err := insertDeptRaw(ctx, svcCtx, 0, "upd_"+testutil.UniqueId(), "/")
	require.NoError(t, err)
	t.Cleanup(func() { testutil.CleanTable(ctx, conn, "`sys_dept`", deptId) })

	newName := "updated_" + testutil.UniqueId()
	l := NewUpdateDeptLogic(ctx, svcCtx)
	err = l.UpdateDept(&types.UpdateDeptReq{
		Id:     deptId,
		Name:   newName,
		Sort:   99,
		Remark: "updated remark",
		Status: 2,
	})
	require.NoError(t, err)

	d, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, newName, d.Name)
	assert.Equal(t, int64(99), d.Sort)
	assert.Equal(t, "updated remark", d.Remark)
	assert.Equal(t, int64(2), d.Status)
}

// TC-0090: 不存在
func TestUpdateDept_NotFound(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())

	l := NewUpdateDeptLogic(ctx, svcCtx)
	err := l.UpdateDept(&types.UpdateDeptReq{
		Id:   999999999,
		Name: "ghost_" + testutil.UniqueId(),
	})
	require.Error(t, err)

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

// TC-0089: 正常更新
func TestUpdateDept_StatusZeroUnchanged(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	deptId, err := insertDeptRaw(ctx, svcCtx, 0, "s0_"+testutil.UniqueId(), "/")
	require.NoError(t, err)
	t.Cleanup(func() { testutil.CleanTable(ctx, conn, "`sys_dept`", deptId) })

	before, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, int64(1), before.Status)

	l := NewUpdateDeptLogic(ctx, svcCtx)
	err = l.UpdateDept(&types.UpdateDeptReq{
		Id:     deptId,
		Name:   "changed_" + testutil.UniqueId(),
		Status: 0,
	})
	require.NoError(t, err)

	after, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, int64(1), after.Status)
}

// TC-0091: DeptType NORMAL→DEV
func TestUpdateDept_DeptType_NormalToDev(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	deptId, err := insertDeptRaw(ctx, svcCtx, 0, "dt_"+testutil.UniqueId(), "/")
	require.NoError(t, err)
	t.Cleanup(func() { testutil.CleanTable(ctx, conn, "`sys_dept`", deptId) })

	before, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, "NORMAL", before.DeptType)

	l := NewUpdateDeptLogic(ctx, svcCtx)
	err = l.UpdateDept(&types.UpdateDeptReq{
		Id:       deptId,
		Name:     "dt_changed_" + testutil.UniqueId(),
		DeptType: "DEV",
	})
	require.NoError(t, err)

	after, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, "DEV", after.DeptType)
}

// TC-0092: DeptType无效值忽略
func TestUpdateDept_DeptType_InvalidIgnored(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()

	deptId, err := insertDeptRaw(ctx, svcCtx, 0, "dti_"+testutil.UniqueId(), "/")
	require.NoError(t, err)
	t.Cleanup(func() { testutil.CleanTable(ctx, conn, "`sys_dept`", deptId) })

	l := NewUpdateDeptLogic(ctx, svcCtx)
	err = l.UpdateDept(&types.UpdateDeptReq{
		Id:       deptId,
		Name:     "dti_changed_" + testutil.UniqueId(),
		DeptType: "INVALID_TYPE",
	})
	require.NoError(t, err)

	after, err := svcCtx.SysDeptModel.FindOne(ctx, deptId)
	require.NoError(t, err)
	assert.Equal(t, "NORMAL", after.DeptType)
}

// TC-0512: updateDept非超管拒绝
func TestUpdateDept_NonSuperAdminRejected(t *testing.T) {
	ctx := ctxhelper.AdminCtx("test_product")
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	l := NewUpdateDeptLogic(ctx, svcCtx)
	err := l.UpdateDept(&types.UpdateDeptReq{Id: 1, Name: "test"})
	require.Error(t, err)
	var ce *response.CodeError
	require.True(t, errors.As(err, &ce))
	assert.Equal(t, 403, ce.Code())
}