def mangrove_by_country_latest():
    pipeline = [
        {
            "$match": {"year": "2020"},
        },
    ]
    return pipeline


def mangrove_by_country_agg(query):
    pipeline = [
        {"$match": {"country_with_parent": query["country_with_parent"]}},
        {
            "$group": {
                "_id": {"country_with_parent": "$country_with_parent", "year": "$year"},
                "total_pixels": {"$sum": "$total_n_pixels"},
            }
        },
        {
            "$project": {
                "_id": 0,
                "country_with_parent": "$_id.country_with_parent",
                "year": "$_id.year",
                "total_pixels": 1,
            }
        },
        {"$sort": {"year": 1}},
    ]
    return pipeline


def bitcoin_business_growth_timeseries(query):
    pipeline = [
        {
            "$match": {
                "days_ago": {"$lte": int( query["days_ago"] )},
                "country_name": query["country_name"],
            }
        },
        {
            "$project": {
                "country_name": "$country_name",
                "date": "$date",
                "cumulative_value": "$cumulative_value",
            }
        },
        {"$sort": {"country_name": 1, "days_ago": 1}},
    ]
    return pipeline


def bitcoin_business_growth_percent_diff_days_ago(query):
    pipeline = [
        {"$match": {"days_ago": {"$lte": int( query["days_ago"] )}}},
        {"$sort": {"country_name": 1, "days_ago": 1}},
        {
            "$group": {
                "_id": "$country_name",
                "firstValue": {"$first": "$cumulative_value"},
                "lastValue": {"$last": "$cumulative_value"},
                "firstDate": {"$min": "$date"},
                "lastDate": {"$max": "$date"},
            }
        },
        {
            "$project": {
                "country_name": "$_id",
                "first_value": "$firstValue",
                "last_value": "$lastValue",
                "difference": {
                    "$subtract": [
                        {"$toDouble": "$firstValue"},
                        {"$toDouble": "$lastValue"},
                    ]
                },
                "first_date": "$firstDate",
                "last_date": "$lastDate",
                "percent_difference": {
                    "$cond": {
                        "if": {"$eq": [{"$toDouble": "$lastValue"}, 0]},
                        "then": {
                            "$cond": {
                                "if": {"$gt": [{"$toDouble": "$firstValue"}, 0]},
                                "then": "new",
                                "else": "none",
                            }
                        },
                        "else": {
                            "$round": [
                                {
                                    "$multiply": [
                                        {
                                            "$divide": [
                                                {
                                                    "$subtract": [
                                                        {"$toDouble": "$firstValue"},
                                                        {"$toDouble": "$lastValue"},
                                                    ]
                                                },
                                                {"$toDouble": "$lastValue"},
                                            ]
                                        },
                                        100,
                                    ]
                                }
                            ]
                        },
                    }
                },
            }
        },
    ]
    return pipeline


def bitcoin_business_growth_latest(query):
    pipeline = [
        {
            "$match": query["filter"],
        },
        {"$sort": {"date": 1}},
    ]
    return pipeline