// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package access

import (
	"testing"

	perm_model "code.gitea.io/gitea/models/perm"
	repo_model "code.gitea.io/gitea/models/repo"
	"code.gitea.io/gitea/models/unit"
	user_model "code.gitea.io/gitea/models/user"

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

func TestApplyEveryoneRepoPermission(t *testing.T) {
	perm := Permission{
		AccessMode: perm_model.AccessModeNone,
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki, EveryoneAccessMode: perm_model.AccessModeNone},
		},
	}
	applyEveryoneRepoPermission(nil, &perm)
	assert.False(t, perm.CanRead(unit.TypeWiki))

	perm = Permission{
		AccessMode: perm_model.AccessModeNone,
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki, EveryoneAccessMode: perm_model.AccessModeRead},
		},
	}
	applyEveryoneRepoPermission(&user_model.User{ID: 1}, &perm)
	assert.True(t, perm.CanRead(unit.TypeWiki))

	perm = Permission{
		AccessMode: perm_model.AccessModeWrite,
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki, EveryoneAccessMode: perm_model.AccessModeRead},
		},
	}
	applyEveryoneRepoPermission(&user_model.User{ID: 1}, &perm)
	assert.True(t, perm.CanRead(unit.TypeWiki))
	assert.False(t, perm.CanWrite(unit.TypeWiki)) // because there is no unit mode, so the everyone-mode is used as the unit's access mode

	perm = Permission{
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki, EveryoneAccessMode: perm_model.AccessModeRead},
		},
		unitsMode: map[unit.Type]perm_model.AccessMode{
			unit.TypeWiki: perm_model.AccessModeWrite,
		},
	}
	applyEveryoneRepoPermission(&user_model.User{ID: 1}, &perm)
	assert.True(t, perm.CanWrite(unit.TypeWiki))
}

func TestUnitAccessMode(t *testing.T) {
	perm := Permission{
		AccessMode: perm_model.AccessModeNone,
	}
	assert.Equal(t, perm_model.AccessModeNone, perm.UnitAccessMode(unit.TypeWiki), "no unit, no map, use AccessMode")

	perm = Permission{
		AccessMode: perm_model.AccessModeRead,
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki},
		},
	}
	assert.Equal(t, perm_model.AccessModeRead, perm.UnitAccessMode(unit.TypeWiki), "only unit, no map, use AccessMode")

	perm = Permission{
		AccessMode: perm_model.AccessModeAdmin,
		unitsMode: map[unit.Type]perm_model.AccessMode{
			unit.TypeWiki: perm_model.AccessModeRead,
		},
	}
	assert.Equal(t, perm_model.AccessModeAdmin, perm.UnitAccessMode(unit.TypeWiki), "no unit, only map, admin overrides map")

	perm = Permission{
		AccessMode: perm_model.AccessModeNone,
		unitsMode: map[unit.Type]perm_model.AccessMode{
			unit.TypeWiki: perm_model.AccessModeRead,
		},
	}
	assert.Equal(t, perm_model.AccessModeRead, perm.UnitAccessMode(unit.TypeWiki), "no unit, only map, use map")

	perm = Permission{
		AccessMode: perm_model.AccessModeNone,
		units: []*repo_model.RepoUnit{
			{Type: unit.TypeWiki},
		},
		unitsMode: map[unit.Type]perm_model.AccessMode{
			unit.TypeWiki: perm_model.AccessModeRead,
		},
	}
	assert.Equal(t, perm_model.AccessModeRead, perm.UnitAccessMode(unit.TypeWiki), "has unit, and map, use map")
}