/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2026 metamuffin <metamuffin.org>
*/

use crate::{Filter, MultiBehaviour, Query, Sort, SortOrder, Value, ValueSort};

impl Query {
    pub fn show(&self) -> String {
        let mut o = String::new();
        if !matches!(self.filter, Filter::True) {
            o += &format!("FILTER {} ", self.filter.show())
        }
        if !matches!(self.sort, Sort::None) {
            o += &format!("SORT {} ", self.sort.show())
        }
        o
    }
}
impl Filter {
    pub fn show(&self) -> String {
        match self {
            Filter::True => "TRUE".to_string(),
            Filter::All(filters) => format!(
                "({})",
                filters
                    .iter()
                    .map(|f| f.show())
                    .collect::<Vec<_>>()
                    .join(" AND ")
            ),
            Filter::Any(filters) => format!(
                "({})",
                filters
                    .iter()
                    .map(|f| f.show())
                    .collect::<Vec<_>>()
                    .join(" OR ")
            ),
            Filter::Match(path, value) => {
                format!("{path} = {}", show_value(value))
            }
            Filter::Has(path) => format!("{path}"),
        }
    }
}
impl Sort {
    pub fn show(&self) -> String {
        match self {
            Sort::None => "NONE".to_string(),
            Sort::Value(ValueSort {
                multi, order, path, ..
            }) => {
                format!(
                    "{} BY {} {path}",
                    match order {
                        SortOrder::Ascending => "ASCENDING",
                        SortOrder::Descending => "DESCENDING",
                    },
                    match multi {
                        MultiBehaviour::Count => "COUNT",
                        MultiBehaviour::First => "FIRST",
                        MultiBehaviour::ForEach => "EACH",
                        MultiBehaviour::Max => "MAX",
                        MultiBehaviour::Min => "MIN",
                    },
                )
            }
            Sort::TextSearch(path, value) => {
                format!("TEXT SEARCH {path} = {value:?}")
            }
        }
    }
}

fn show_value(value: &Value) -> String {
    match value {
        Value::Tag(tag) => format!("{tag}"),
        Value::U32(x) => format!("{x}"),
        Value::U64(x) => format!("{x}"),
        Value::I64(x) => format!("{x}"),
        Value::String(x) => format!("{x:?}"),
        Value::Binary(x) => format!("{x:?}"),
    }
}