kopi 0.0.9

Kopi is a JDK version management tool
Documentation 
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
149
150
151
152
153
154

// Copyright 2025 dentsusoken
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::error::Result;
use crate::storage::InstalledJdk;
use std::io::{self, Write};

/// Display confirmation prompt for uninstalling a JDK
pub fn display_uninstall_confirmation(jdk: &InstalledJdk, disk_space: u64) -> Result<bool> {
    println!("The following JDK will be uninstalled:");
    println!("  Distribution: {}", jdk.distribution);
    println!("  Version: {}", jdk.version);
    println!("  Path: {}", jdk.path.display());
    println!(
        "  Disk space to be freed: {:.2} MB",
        disk_space as f64 / 1_048_576.0
    );
    println!();

    print!("Do you want to continue? [y/N] ");
    io::stdout().flush()?;

    let mut input = String::new();
    io::stdin().read_line(&mut input)?;

    Ok(input.trim().eq_ignore_ascii_case("y"))
}

/// Display confirmation prompt for batch uninstall
pub fn display_batch_uninstall_confirmation(
    jdks: &[InstalledJdk],
    total_disk_space: u64,
) -> Result<bool> {
    println!("The following {} JDK(s) will be uninstalled:", jdks.len());
    println!();

    for jdk in jdks {
        println!("  - {}@{}", jdk.distribution, jdk.version);
    }

    println!();
    println!(
        "Total disk space to be freed: {:.2} MB",
        total_disk_space as f64 / 1_048_576.0
    );
    println!();

    print!("Do you want to continue? [y/N] ");
    io::stdout().flush()?;

    let mut input = String::new();
    io::stdin().read_line(&mut input)?;

    Ok(input.trim().eq_ignore_ascii_case("y"))
}

/// Display summary after successful uninstall
pub fn display_uninstall_summary(jdks: &[InstalledJdk], total_disk_space: u64) {
    if jdks.len() == 1 {
        println!(
            "Successfully uninstalled: {}@{}",
            jdks[0].distribution, jdks[0].version
        );
    } else {
        println!("Successfully uninstalled {} JDKs:", jdks.len());
        for jdk in jdks {
            println!("  - {}@{}", jdk.distribution, jdk.version);
        }
    }
    println!(
        "Disk space freed: {:.2} MB",
        total_disk_space as f64 / 1_048_576.0
    );
}

/// Display batch uninstall progress summary
pub fn display_batch_uninstall_summary(
    succeeded: &[InstalledJdk],
    failed: &[(InstalledJdk, String)],
    total_disk_space: u64,
) {
    println!();
    println!("Batch uninstall summary:");
    println!("  Succeeded: {}", succeeded.len());
    println!("  Failed: {}", failed.len());

    if !failed.is_empty() {
        println!("\nFailed uninstalls:");
        for (jdk, error) in failed {
            println!("  - {}@{}: {}", jdk.distribution, jdk.version, error);
        }
    }

    if !succeeded.is_empty() {
        println!(
            "\nDisk space freed: {:.2} MB",
            total_disk_space as f64 / 1_048_576.0
        );
    }
}

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

    #[test]
    fn test_display_uninstall_summary_single() {
        let jdks = vec![create_test_jdk("temurin", "21.0.5+11")];
        let disk_space = 512 * 1024 * 1024; // 512 MB

        // This test just ensures the function doesn't panic
        display_uninstall_summary(&jdks, disk_space);
    }

    #[test]
    fn test_display_uninstall_summary_multiple() {
        let jdks = vec![
            create_test_jdk("temurin", "21.0.5+11"),
            create_test_jdk("corretto", "17.0.13.11.1"),
        ];
        let disk_space = 1024 * 1024 * 1024; // 1 GB

        // This test just ensures the function doesn't panic
        display_uninstall_summary(&jdks, disk_space);
    }

    #[test]
    fn test_display_batch_uninstall_summary() {
        let succeeded = vec![
            create_test_jdk("temurin", "21.0.5+11"),
            create_test_jdk("corretto", "17.0.13.11.1"),
        ];
        let failed = vec![(
            create_test_jdk("zulu", "11.0.25"),
            "Permission denied".to_string(),
        )];
        let disk_space = 1024 * 1024 * 1024; // 1 GB

        // This test just ensures the function doesn't panic
        display_batch_uninstall_summary(&succeeded, &failed, disk_space);
    }
}