/*
 * Copyright (C) 2008-2022, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.www.api.activity.model;

import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.juick.www.api.activity.helpers.ContextTypeFilter;
import com.juick.www.api.activity.helpers.LinkValueDeserializer;
import com.juick.www.api.activity.model.activities.*;
import com.juick.www.api.activity.model.objects.*;

import java.io.Serializable;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

@JsonIgnoreProperties(ignoreUnknown = true)
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property="type", defaultImpl = Context.class)
@JsonSubTypes({
        @JsonSubTypes.Type(value = Create.class, name = "Create"),
        @JsonSubTypes.Type(value = Update.class, name = "Update"),
        @JsonSubTypes.Type(value = Delete.class, name = "Delete"),
        @JsonSubTypes.Type(value = Flag.class, name = "Flag"),
        @JsonSubTypes.Type(value = Follow.class, name = "Follow"),
        @JsonSubTypes.Type(value = Accept.class, name = "Accept"),
        @JsonSubTypes.Type(value = Undo.class, name = "Undo"),
        @JsonSubTypes.Type(value = Like.class, name = "Like"),
        @JsonSubTypes.Type(value = Block.class, name = "Block"),
        @JsonSubTypes.Type(value = Announce.class, name = "Announce"),
        @JsonSubTypes.Type(value = Activity.class, name = "Activity"),
        @JsonSubTypes.Type(value = Image.class, name = "Image"),
        @JsonSubTypes.Type(value = Key.class, name = "Key"),
        @JsonSubTypes.Type(value = Link.class, name = "Link"),
        @JsonSubTypes.Type(value = Hashtag.class, name = "Hashtag"),
        @JsonSubTypes.Type(value = Mention.class, name = "Mention"),
        @JsonSubTypes.Type(value = Emoji.class, name = "Emoji"),
        @JsonSubTypes.Type(value = Note.class, name = "Note"),
        @JsonSubTypes.Type(value = OrderedCollection.class, name = "OrderedCollection"),
        @JsonSubTypes.Type(value = OrderedCollectionPage.class, name = "OrderedCollectionPage"),
        @JsonSubTypes.Type(value = Person.class, name = "Person"),
        @JsonSubTypes.Type(value = Application.class, name = "Application"),
        @JsonSubTypes.Type(value = Service.class, name = "Service"),
        @JsonSubTypes.Type(value = Group.class, name = "Group"),
        @JsonSubTypes.Type(value = Organization.class, name = "Organization")
})
public class Context implements Serializable {

    private List<Object> context;
    private String id;
    private String name;
    private Image icon;
    private Instant published;

    @JsonDeserialize(using = LinkValueDeserializer.class)
    private String url;

    private List<String> to;

    private List<Context> tags;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    @JsonInclude(value = JsonInclude.Include.CUSTOM, valueFilter = ContextTypeFilter.class)
    public String getType() {
        return getClass().getSimpleName();
    }

    @JsonProperty("@context")
    @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
    public List<Object> getContext() {
        return context;
    }

    public final static String ACTIVITY_STREAMS_URI = "https://www.w3.org/ns/activitystreams";
    public final static String SECURITY_URI = "https://w3id.org/security/v1";
    public final static String LD_JSON_MEDIA_TYPE = "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"";
    public final static String FALLBACK_JSON_MEDIA_TYPE = "application/json; profile=\"https://www.w3.org/ns/activitystreams\"";
    public final static String ACTIVITY_MEDIA_TYPE = "application/activity+json";
    public final static String ACTIVITYSTREAMS_PROFILE_MEDIA_TYPE = ACTIVITY_MEDIA_TYPE + "; profile=\"https://www.w3.org/ns/activitystreams\"";
    public final static String ACTIVITYSTREAMS_PUBLIC = "https://www.w3.org/ns/activitystreams#Public";

    public Instant getPublished() {
        return published;
    }

    public void setPublished(Instant published) {
        this.published = published;
    }

    @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
    public List<String> getTo() {
        return to;
    }

    public void setTo(List<String> to) {
        this.to = to;
    }

    public static Context build(Context response) {
        response.context = new ArrayList<>(Arrays.asList(ACTIVITY_STREAMS_URI, SECURITY_URI));
        response.context.add(Map.of("Hashtag", "as:Hashtag", "sensitive", "as:sensitive"));
        return response;
    }

    public Context() {}

    public Context(String id) {
        setId(id);
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    @JsonProperty("tag")
    public List<Context> getTags() {
        return tags;
    }

    public void setTags(List<Context> tags) {
        this.tags = tags;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @JsonTypeInfo(use = JsonTypeInfo.Id.NONE)
    public Image getIcon() {
        return icon;
    }

    public void setIcon(Image icon) {
        this.icon = icon;
    }
}