package ru.yandex.cloud.ml.platform.notebook;

import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

class Cell {
    @JsonProperty("cell_type")
    private final CellType cellType;

    @JsonProperty("source")
    private final String source;

    @JsonProperty("metadata")
    private final Meta meta;

    @JsonProperty("outputs")
    private final List<Output> outputs;

    Cell(CellType cellType, String source, Meta meta, Stream<Output> outputs) {
        this.cellType = cellType;
        this.meta = meta;
        this.source = source;
        this.outputs = outputs.collect(Collectors.toList());
    }

    static class Meta {
        @JsonProperty("collapsed")
        private final boolean collapsed;
        @JsonProperty("deletable")
        private final boolean deletable;
        @JsonProperty("name")
        private final String name;

        Meta(boolean collapsed, boolean deletable, String name) {
            this.collapsed = collapsed;
            this.deletable = deletable;
            this.name = name;
        }

        static Meta defaultMeta(String name) {
            return new Meta(false, false, name);
        }
    }

    static class Output {
        @JsonProperty("output_type")
        private final OutputType type;
        @JsonProperty("metadata")
        private final Meta meta;
        @JsonProperty("data")
        private final Data data;

        Output(OutputType type, Data data) {
            this.type = type;
            this.data = data;
            this.meta = new Meta();
        }

        @JsonSerialize
        static class Meta {
        }

        @JsonSerialize
        static class Data {
        }
    }

    static class DataBlockOutput extends Output {
        DataBlockOutput(Data data) {
            super(OutputType.DISPLAY_DATA, data);
        }

        static class Data extends Output.Data {
            @JsonProperty("application/nirvana-data")
            private final Payload payload;

            Data(Payload payload) {
                this.payload = payload;
            }

            static class Payload {
                @JsonProperty("type")
                private final String type;
                @JsonProperty("path")
                private final String path;

                Payload(String type, String path) {
                    this.type = type;
                    this.path = path;
                }
            }
        }
    }

    static class OpBlockOutput extends Output {
        OpBlockOutput(Data data) {
            super(OutputType.DISPLAY_DATA, data);
        }

        static class Data extends Output.Data {
            @JsonProperty("application/nirvana-op")
            private final Payload payload;

            Data(Payload payload) {
                this.payload = payload;
            }

            static class Payload {
                @JsonProperty("logs")
                private final List<Log> logs;
                @JsonProperty("outputs")
                private final List<Out> outs;

                Payload(Stream<Log> logs, Stream<Out> outs) {
                    this.logs = logs.collect(Collectors.toList());
                    this.outs = outs.collect(Collectors.toList());
                }

                static class Log {
                    @JsonProperty("name")
                    private final String name;
                    @JsonProperty("path")
                    private final String path;

                    Log(String name, String path) {
                        this.name = name;
                        this.path = path;
                    }
                }

                static class Out {
                    @JsonProperty("name")
                    private final String name;
                    @JsonProperty("path")
                    private final String path;

                    Out(String name, String path) {
                        this.name = name;
                        this.path = path;
                    }
                }
            }
        }
    }
}