use crate::core::major::*;
use crate::core::traits::SystemEncoder;

#[cfg(test)]
mod tests {
    use super::*;

    fn create_single_dict() -> Dict {
        vec![DictEntry {
            phoneme_in: "B".to_string(),
            phoneme_out: "2".to_string(),
            not_after: vec!["Y".to_string()],
            not_before: vec!["X".to_string()],
            only_after: vec!["A".to_string()],
            only_before: vec!["C".to_string()],
        }]
    }

    fn create_single_dict_min() -> Dict {
        vec![DictEntry {
            phoneme_in: "B".to_string(),
            phoneme_out: "2".to_string(),
            ..Default::default()
        }]
    }

    fn create_double_dict() -> Dict {
        vec![DictEntry {
            phoneme_in: "CD".to_string(),
            phoneme_out: "2".to_string(),
            not_after: vec!["YZ".to_string()],
            not_before: vec!["WX".to_string()],
            only_after: vec!["AB".to_string()],
            only_before: vec!["EF".to_string()],
        }]
    }

    #[test]
    fn test_single_symbol_encoding_only_before_only_after_matched() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("ABC");
        assert_eq!(output, "2")
    }

    #[test]
    fn test_double_symbol_encoding_only_before_only_after_matched() {
        let encoder = Encoder::new(create_double_dict());
        let output = encoder.encode("ABCDEF");
        assert_eq!(output, "2")
    }

    #[test]
    fn test_single_symbol_encoding_only_before_not_matched_with_other() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("DBC");
        assert_eq!(output, "")
    }

    #[test]
    fn test_double_symbol_encoding_only_before_not_matched_with_other() {
        let encoder = Encoder::new(create_double_dict());
        let output = encoder.encode("AACDEE");
        assert_eq!(output, "")
    }

    #[test]
    fn test_case_insensitivity() {
        let encoder = Encoder::new(create_double_dict());
        let output = encoder.encode("abcdef");
        assert_eq!(output, "2")
    }

    #[test]
    fn test_single_symbol_encoding_only_before_not_matched_with_empty() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("BC");
        assert_eq!(output, "")
    }

    #[test]
    fn test_single_symbol_encoding_only_before_not_matched_with_not_before() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("XBC");
        assert_eq!(output, "")
    }

    #[test]
    fn test_single_symbol_encoding_only_after_not_matched_with_other() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("ABD");
        assert_eq!(output, "")
    }

    #[test]
    fn test_single_symbol_encoding_only_after_not_matched_with_empty() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("AB");
        assert_eq!(output, "")
    }

    #[test]
    fn test_single_symbol_encoding_only_after_not_matched_with_not_after() {
        let encoder = Encoder::new(create_single_dict());
        let output = encoder.encode("ABY");
        assert_eq!(output, "")
    }

    #[test]
    fn test_single_symbol_encoding_empty_before_after_matched_with_empty() {
        let encoder = Encoder::new(create_single_dict_min());
        let output = encoder.encode("B");
        assert_eq!(output, "2")
    }

    #[test]
    fn test_single_symbol_encoding_empty_before_after_matched_with_others() {
        let encoder = Encoder::new(create_single_dict_min());
        let output = encoder.encode("AXBYC");
        assert_eq!(output, "2")
    }
}