src/main/kotlin/de/uapcore/lightpit/viewmodel/NavMenus.kt

/*
 * Copyright 2021 Mike Becker. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package de.uapcore.lightpit.viewmodel

import de.uapcore.lightpit.entities.Component
import de.uapcore.lightpit.entities.Project
import de.uapcore.lightpit.entities.Version
import de.uapcore.lightpit.types.VersionStatus

class NavMenuEntry(
    val level: Int,
    val caption: String,
    val href: String,
    val title: String = "",
    val active: Boolean = false,
    val resolveCaption: Boolean = false,
    val iconColor: String? = null
) {
    val iconUseCssClass = iconColor != null && !iconColor.startsWith("#")
}

class NavMenu(val entries: List<NavMenuEntry>)

fun projectNavMenu(
    projects: List<Project>,
    versions: List<Version> = emptyList(),
    components: List<Component> = emptyList(),
    selectedProject: Project? = null,
    selectedVersion: Version? = null,
    selectedComponent: Component? = null
) = NavMenu(
    sequence {
        val cnode = selectedComponent?.node ?: "-"
        val vnode = selectedVersion?.node ?: "-"
        for (project in projects) {
            val active = project == selectedProject
            yield(
                NavMenuEntry(
                    level = 0,
                    caption = project.name,
                    href = "projects/${project.node}",
                    active = active
                )
            )
            if (active) {
                yield(
                    NavMenuEntry(
                        level = 1,
                        caption = "navmenu.versions",
                        resolveCaption = true,
                        href = "projects/${project.node}/versions/"
                    )
                )
                yield(
                    NavMenuEntry(
                        level = 2,
                        caption = "navmenu.all",
                        resolveCaption = true,
                        href = "projects/${project.node}/issues/-/${cnode}/",
                        iconColor = "#000000"
                    )
                )
                for (version in versions.filter { it.status != VersionStatus.Deprecated }) {
                    yield(
                        NavMenuEntry(
                            level = 2,
                            caption = version.name,
                            title = "version.status.${version.status}",
                            href = "projects/${project.node}/issues/${version.node}/${cnode}/",
                            iconColor = "version-${version.status}",
                            active = version == selectedVersion
                        )
                    )
                }
                yield(
                    NavMenuEntry(
                        level = 1,
                        caption = "navmenu.components",
                        resolveCaption = true,
                        href = "projects/${project.node}/components/"
                    )
                )
                yield(
                    NavMenuEntry(
                        level = 2,
                        caption = "navmenu.all",
                        resolveCaption = true,
                        href = "projects/${project.node}/issues/${vnode}/-/",
                        iconColor = "#000000"
                    )
                )
                for (component in components) {
                    yield(
                        NavMenuEntry(
                            level = 2,
                            caption = component.name,
                            href = "projects/${project.node}/issues/${vnode}/${component.node}/",
                            iconColor = "${component.color}",
                            active = component == selectedComponent
                        )
                    )
                }
            }
        }
    }.toList()
)