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use serde::Serialize;
use serde_json::Value;

use crate::misc::fuzziness::Fuzziness;
use crate::misc::operator::Operator;
use crate::misc::r#type::Type;
use crate::misc::zero_terms_query::ZeroTermsQuery;

#[derive(Debug, Default, Clone, Serialize)]
pub struct MultiMatch {
    query: Option<Value>,

    #[serde(skip_serializing_if = "Option::is_none")]
    fields: Option<Vec<String>>,

    #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
    query_type: Option<Type>,

    #[serde(skip_serializing_if = "Option::is_none")]
    operator: Option<Operator>,

    #[serde(skip_serializing_if = "Option::is_none")]
    minimum_should_match: Option<String>,

    #[serde(skip_serializing_if = "Option::is_none")]
    tie_breaker: Option<f64>,

    #[serde(skip_serializing_if = "Option::is_none")]
    analyzer: Option<String>,

    #[serde(skip_serializing_if = "Option::is_none")]
    boost: Option<f64>,

    #[serde(skip_serializing_if = "Option::is_none")]
    fuzziness: Option<Fuzziness>,

    #[serde(skip_serializing_if = "Option::is_none")]
    fuzzy_transpositions: Option<bool>,

    #[serde(skip_serializing_if = "Option::is_none")]
    lenient: Option<bool>,

    #[serde(skip_serializing_if = "Option::is_none")]
    prefix_length: Option<u64>,

    #[serde(skip_serializing_if = "Option::is_none")]
    max_expansions: Option<u64>,

    #[serde(skip_serializing_if = "Option::is_none")]
    auto_generate_synonyms_phrase_query: Option<bool>,

    #[serde(skip_serializing_if = "Option::is_none")]
    zero_terms_query: Option<ZeroTermsQuery>,
}

impl MultiMatch {
    pub fn new() -> Self {
        Self::default()
    }

    pub fn fields<F, T>(self, fields: F) -> Self
        where
            F: IntoIterator<Item=T>,
            T: Into<String>,
    {

        Self {
            fields: Some(
                fields
                    .into_iter()
                    .map(|f| f.into())
                    .collect()
            ),
            ..self
        }
    }

    pub fn value<T: Into<Value>>(self, value: T) -> Self {
        Self {
            query: Some(value.into()),
            ..self
        }
    }

    pub fn query<T: Into<Value>>(self, query: T) -> Self {
        self.value(query)
    }

    pub fn query_type<T: Into<Type>>(self, typ: T) -> Self {
        Self {
            query_type: Some(typ.into()),
            ..self
        }
    }

    pub fn operator<T: Into<Operator>>(self, operator: T) -> Self {
        Self {
            operator: Some(operator.into()),
            ..self
        }
    }

    pub fn minimum_should_match<T: Into<String>>(self, minimum_should_match: T) -> Self {
        Self {
            minimum_should_match: Some(minimum_should_match.into()),
            ..self
        }
    }

    pub fn tie_breaker<T: Into<f64>>(self, tie_breaker: T) -> Self {
        Self {
            tie_breaker: Some(tie_breaker.into()),
            ..self
        }
    }

    pub fn analyzer<T: Into<String>>(self, analyzer: T) -> Self {
        Self {
            analyzer: Some(analyzer.into()),
            ..self
        }
    }

    pub fn boost<T: Into<f64>>(self, boost: T) -> Self {
        Self {
            boost: Some(boost.into()),
            ..self
        }
    }

    pub fn fuzziness<T: Into<Fuzziness>>(self, fuzziness: T) -> Self {
        Self {
            fuzziness: Some(fuzziness.into()),
            ..self
        }
    }

    pub fn fuzzy_transpositions(self, fuzzy_transpositions: bool) -> Self {
        Self {
            fuzzy_transpositions: Some(fuzzy_transpositions),
            ..self
        }
    }

    pub fn lenient(self, lenient: bool) -> Self {
        Self {
            lenient: Some(lenient),
            ..self
        }
    }

    pub fn prefix_length<T: Into<u64>>(self, prefix_length: T) -> Self {
        Self {
            prefix_length: Some(prefix_length.into()),
            ..self
        }
    }

    pub fn max_expansions<T: Into<u64>>(self, max_expansions: T) -> Self {
        Self {
            max_expansions: Some(max_expansions.into()),
            ..self
        }
    }

    pub fn auto_generate_synonyms_phrase_query(
        self,
        auto_generate_synonyms_phrase_query: bool,
    ) -> Self {
        Self {
            auto_generate_synonyms_phrase_query: Some(auto_generate_synonyms_phrase_query),
            ..self
        }
    }

    pub fn zero_terms_query<T: Into<ZeroTermsQuery>>(self, zero_terms_query: T) -> Self {
        Self {
            zero_terms_query: Some(zero_terms_query.into()),
            ..self
        }
    }
}