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
143
144
145
146
147
148

/*
    Nyx, blazing fast astrodynamics
    Copyright (C) 2018-onwards Christopher Rabotin <christopher.rabotin@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published
    by the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

use crate::md::trajectory::TrajError;
use crate::md::StateParameter;
pub use crate::md::TargetingError;
use crate::{cosmic::AstroError, io::ConfigError};
use anise::errors::{AlmanacError, PhysicsError};
use hifitime::Epoch;
use snafu::prelude::*;
use std::convert::From;

#[derive(Debug, Snafu)]
#[snafu(visibility(pub(crate)))]
pub enum NyxError {
    #[snafu(display("Maximum iterations of {msg} reached"))]
    MaxIterReached { msg: String },
    #[snafu(display("Covariance is not positive semi definite"))]
    CovarianceMatrixNotPsd,
    #[snafu(display("Lambert too close: Δν ~=0 and A ~=0"))]
    TargetsTooClose,
    #[snafu(display("No reasonable phi found to connect both radii"))]
    LambertNotReasonablePhi,
    #[snafu(display("Use the Izzo algorithm for multi-rev transfers"))]
    LambertMultiRevNotSupported,
    #[snafu(display("Unavailable parameter {param:?}: {msg}"))]
    StateParameterUnavailable { param: StateParameter, msg: String },
    #[snafu(display("Could not load file: {msg}"))]
    LoadingError { msg: String },
    #[snafu(display("Could not read file: {msg}"))]
    FileUnreadable { msg: String },
    #[snafu(display("Cosm object not found: `{needle}` (available: {haystack:?})"))]
    ObjectNotFound {
        needle: String,
        haystack: Vec<String>,
    },
    #[snafu(display("No interpolation data: {msg}"))]
    NoInterpolationData { msg: String },
    #[snafu(display("Invalid interpolation data: {msg}"))]
    InvalidInterpolationData { msg: String },
    #[snafu(display("No state data: {msg}"))]
    NoStateData { msg: String },
    #[snafu(display("Happens when trying to modify a polynomial's (error)-th error but the polynomial has less orders than that"))]
    PolynomialOrderError { order: usize },
    #[snafu(display(
        "An objective based analysis or control was attempted, but no objective was defined"
    ))]
    NoObjectiveDefined,
    #[snafu(display("This computation requires the orbit to be hyperbolic: {msg}"))]
    NotHyperbolic { msg: String },
    #[snafu(display("Monte Carlo error: {msg}"))]
    MonteCarlo { msg: String },
    #[snafu(display("CCSDS error: {msg}"))]
    CCSDS { msg: String },
    #[snafu(display("Error: {msg}"))]
    CustomError { msg: String },
    #[snafu(display("Trajectory error: {source}"))]
    Trajectory { source: TrajError },
    #[snafu(display("Math domain error: {msg}"))]
    MathDomain { msg: String },
    #[snafu(display("Guidance law config error: {msg}"))]
    GuidanceConfigError { msg: String },
    #[snafu(display("Config error: {source}"))]
    ConfigError { source: ConfigError },
    #[snafu(display("issue due to Almanac: {action} {source}"))]
    FromAlmanacError {
        #[snafu(source(from(AlmanacError, Box::new)))]
        source: Box<AlmanacError>,
        action: &'static str,
    },
}

impl From<TrajError> for NyxError {
    fn from(source: TrajError) -> Self {
        NyxError::Trajectory { source }
    }
}

impl From<ConfigError> for NyxError {
    fn from(source: ConfigError) -> Self {
        NyxError::ConfigError { source }
    }
}

#[derive(Debug, PartialEq, Snafu)]
#[snafu(visibility(pub(crate)))]
pub enum StateError {
    #[snafu(display("{param} is unavailable for this kind of state"))]
    Unavailable { param: StateParameter },
    #[snafu(display("{param} is read only for this kind of state"))]
    ReadOnly { param: StateParameter },
    #[snafu(display("{param} computation caused {source}"))]
    StateAstroError {
        param: StateParameter,
        source: AstroError,
    },
    #[snafu(display("No thruster attached to spacecraft"))]
    NoThrusterAvail,
}

#[derive(Debug, PartialEq, Snafu)]
#[snafu(visibility(pub(crate)))]
pub enum EventError {
    #[snafu(display("during event computation: {source}"))]
    EventAlmanacError {
        #[snafu(source(from(AlmanacError, Box::new)))]
        source: Box<AlmanacError>,
    },
    #[snafu(display("during event computation: {source}"))]
    EventStateError {
        param: StateParameter,
        source: StateError,
    },
    #[snafu(display("during event computation: {source}"))]
    EventPhysicsError { source: PhysicsError },
    #[snafu(display("when computing an event in a trajectory {source}"))]
    EventTrajError { source: TrajError },
    #[snafu(display("Event {event} not found between {start} and {end}"))]
    NotFound {
        start: Epoch,
        end: Epoch,
        event: String,
    },
}

#[derive(Debug, Snafu)]
#[snafu(visibility(pub(crate)))]
pub enum MonteCarloError {
    #[snafu(display("Monte Carlo caused {source}"))]
    StateError { source: StateError },
    #[snafu(display("for {param}, expected percentage between 0.0 and 1.0 but got {prct}"))]
    ParamPercentage { param: StateParameter, prct: f64 },
}