package perm

import (
	"testing"
	"time"

	permModel "perms-system-server/internal/model/perm"
	"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-0113: 正常查询
func TestPermList_Normal(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()
	pc := testutil.UniqueId()

	var permIds []int64
	for i := 0; i < 3; i++ {
		res, err := svcCtx.SysPermModel.Insert(ctx, &permModel.SysPerm{
			ProductCode: pc, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
			Status: 1, CreateTime: now, UpdateTime: now,
		})
		require.NoError(t, err)
		id, _ := res.LastInsertId()
		permIds = append(permIds, id)
	}

	t.Cleanup(func() {
		testutil.CleanTable(ctx, conn, "`sys_perm`", permIds...)
	})

	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		ProductCode: pc, Page: 1, PageSize: 10,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(3), resp.Total)

	items := resp.List.([]types.PermItem)
	assert.Len(t, items, 3)
	assert.Equal(t, pc, items[0].ProductCode)
}

// TC-0114: 默认分页
func TestPermList_DefaultPagination(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()
	pc := testutil.UniqueId()

	res, err := svcCtx.SysPermModel.Insert(ctx, &permModel.SysPerm{
		ProductCode: pc, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id, _ := res.LastInsertId()

	t.Cleanup(func() {
		testutil.CleanTable(ctx, conn, "`sys_perm`", id)
	})

	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		ProductCode: pc,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(1), resp.Total)
}

// TC-0115: pageSize超过上限
func TestPermList_PageSizeExceedsLimit(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()
	pc := testutil.UniqueId()

	res, err := svcCtx.SysPermModel.Insert(ctx, &permModel.SysPerm{
		ProductCode: pc, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id, _ := res.LastInsertId()

	t.Cleanup(func() {
		testutil.CleanTable(ctx, conn, "`sys_perm`", id)
	})

	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		ProductCode: pc, Page: 1, PageSize: 200,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(1), resp.Total)
}

// TC-0116: 不存在的productCode
func TestPermList_NonExistentProductCode(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())

	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		ProductCode: "nonexistent_" + testutil.UniqueId(),
		Page:        1,
		PageSize:    10,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(0), resp.Total)
}

// TC-1311: 非超管不传productCode时从JWT获取
func TestPermList_NonSuperAdminUsesJWTProductCode(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()
	pc := testutil.UniqueId()

	res, err := svcCtx.SysPermModel.Insert(ctxhelper.SuperAdminCtx(), &permModel.SysPerm{
		ProductCode: pc, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id, _ := res.LastInsertId()

	t.Cleanup(func() {
		testutil.CleanTable(ctxhelper.SuperAdminCtx(), conn, "`sys_perm`", id)
	})

	ctx := ctxhelper.AdminCtx(pc)
	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		Page:     1,
		PageSize: 10,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(1), resp.Total)
}

// TC-1312: 非超管传了其他产品code时被忽略
func TestPermList_NonSuperAdminIgnoresReqProductCode(t *testing.T) {
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()
	pc := testutil.UniqueId()

	res, err := svcCtx.SysPermModel.Insert(ctxhelper.SuperAdminCtx(), &permModel.SysPerm{
		ProductCode: pc, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id, _ := res.LastInsertId()

	t.Cleanup(func() {
		testutil.CleanTable(ctxhelper.SuperAdminCtx(), conn, "`sys_perm`", id)
	})

	ctx := ctxhelper.AdminCtx(pc)
	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		ProductCode: "other_product",
		Page:        1,
		PageSize:    10,
	})
	require.NoError(t, err)
	assert.Equal(t, int64(1), resp.Total)
}

// TC-1313: 超管不传productCode时返回全量数据
func TestPermList_SuperAdminNoProductCodeReturnsAll(t *testing.T) {
	ctx := ctxhelper.SuperAdminCtx()
	svcCtx := svc.NewServiceContext(testutil.GetTestConfig())
	conn := testutil.GetTestSqlConn()
	now := time.Now().Unix()

	pc1 := testutil.UniqueId()
	pc2 := testutil.UniqueId()

	r1, err := svcCtx.SysPermModel.Insert(ctx, &permModel.SysPerm{
		ProductCode: pc1, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id1, _ := r1.LastInsertId()

	r2, err := svcCtx.SysPermModel.Insert(ctx, &permModel.SysPerm{
		ProductCode: pc2, Name: testutil.UniqueId(), Code: testutil.UniqueId(),
		Status: 1, CreateTime: now, UpdateTime: now,
	})
	require.NoError(t, err)
	id2, _ := r2.LastInsertId()

	t.Cleanup(func() {
		testutil.CleanTable(ctx, conn, "`sys_perm`", id1, id2)
	})

	logic := NewPermListLogic(ctx, svcCtx)
	resp, err := logic.PermList(&types.PermListReq{
		Page:     1,
		PageSize: 10000,
	})
	require.NoError(t, err)
	assert.GreaterOrEqual(t, resp.Total, int64(2))
}