1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142

use std::{
    fs::File,
    io::Write,
    sync::{Arc, Mutex},
};

use crate::{
    common::Common,
    events::Event,
    prelude::{ERef, LRef},
    types::ID,
};

use bytes_kman::TBytes;

#[derive(Clone, Debug, bytes_kman::Bytes)]
pub enum Log {
    Info(String),
    Warning(String),
    Error(String),
}

pub trait TLogger {
    fn info(&mut self, data: impl Into<String>);
    fn warn(&mut self, data: impl Into<String>);
    fn error(&mut self, data: impl Into<String>);

    fn flush(&mut self);
    fn set_instant(&mut self, instant: bool);
}

pub trait TGetLogger {
    fn get_logger(&self, dst: Option<Arc<Mutex<File>>>) -> Logger;
}

#[derive(Clone)]
pub enum Ref {
    Element(ERef),
    Location(LRef),
}

impl From<Ref> for ID {
    fn from(value: Ref) -> Self {
        match value {
            Ref::Element(e) => ID::Element(e.read().unwrap().id.clone()),
            Ref::Location(l) => ID::Location(l.read().unwrap().id.clone()),
        }
    }
}

pub struct Logger {
    dst: Option<Arc<Mutex<File>>>,
    logs: Vec<Log>,
    _ref: Ref,
    instant: bool,
}

unsafe impl Sync for Logger {}
unsafe impl Send for Logger {}

impl Logger {
    pub fn for_location(dst: Option<Arc<Mutex<File>>>, _ref: LRef) -> Self {
        Self {
            dst,
            _ref: Ref::Location(_ref),
            instant: false,
            logs: Vec::new(),
        }
    }

    pub fn for_element(dst: Option<Arc<Mutex<File>>>, _ref: ERef) -> Self {
        Self {
            dst,
            _ref: Ref::Element(_ref),
            instant: false,
            logs: Vec::new(),
        }
    }
}

impl TLogger for Logger {
    fn info(&mut self, data: impl Into<String>) {
        let data: String = data.into();

        if let Some(dst) = &self.dst {
            let _ = write!(dst.lock().unwrap(), "Info: {data}");
        }

        self.logs.push(Log::Info(data));

        if self.instant {
            self.flush()
        }
    }

    fn warn(&mut self, data: impl Into<String>) {
        let data: String = data.into();

        if let Some(dst) = &self.dst {
            let _ = write!(dst.lock().unwrap(), "Warning: {data}");
        }

        self.logs.push(Log::Warning(data));

        if self.instant {
            self.flush()
        }
    }

    fn error(&mut self, data: impl Into<String>) {
        let data: String = data.into();

        if let Some(dst) = &self.dst {
            let _ = write!(dst.lock().unwrap(), "Error: {data}");
        }

        self.logs.push(Log::Error(data));

        if self.instant {
            self.flush()
        }
    }

    fn flush(&mut self) {
        for log in self.logs.iter() {
            let _ = self
                ._ref
                .emit(Event::Log(self._ref.clone().into(), log.clone()));
        }
        self.logs.clear();
    }

    fn set_instant(&mut self, instant: bool) {
        self.instant = instant;
    }
}

impl Drop for Logger {
    fn drop(&mut self) {
        self.flush();
    }
}