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

use crate::cli::pull_request::view::ViewPullRequestsArgs;
use crate::client::BergClient;
use crate::render::comment::render_comment;
use crate::render::datetime::render_datetime_and_info;
use crate::render::spinner::spin_until_ready;
use crate::render::table::builder::BergTableBuilder;
use crate::render::ui::fuzzy_select_with_key;
use crate::types::api::pull_request::PullRequest;
use std::iter::once;
use term_table::row::Row;
use term_table::table_cell::{Alignment, TableCell};

use crate::actions::text_manipulation::select_prompt_for;

pub async fn view_pull(args: ViewPullRequestsArgs, client: &BergClient) -> anyhow::Result<()> {
    let pull_requests_list = spin_until_ready(client.get_repo_prs(Some(args.state), None)).await?;

    let selected_pull_request =
        fuzzy_select_with_key(pull_requests_list, select_prompt_for("pull request"))?;

    if args.comments {
        spin_until_ready(present_pull_request_comments(client, selected_pull_request)).await?;
    } else {
        present_pull_request_overview(selected_pull_request);
    }

    Ok(())
}

fn present_pull_request_overview(selected_pull_request: Option<PullRequest>) {
    let rendered_datetime = selected_pull_request
        .as_ref()
        .map(|pull_request| render_datetime_and_info(pull_request.created_at));

    let rows = once(Some(Row::new([TableCell::new_with_alignment(
        selected_pull_request
            .as_ref()
            .map(|pull_request| format!("Pull Request #{}", pull_request.number))
            .unwrap_or_else(|| String::from("No Pull Requests available")),
        2,
        Alignment::Center,
    )])))
    .chain(once(selected_pull_request.as_ref().map(|pull_request| {
        Row::new([
            TableCell::new_with_alignment("Title", 1, Alignment::Center),
            TableCell::new_with_alignment(pull_request.title.as_str(), 1, Alignment::Left),
        ])
    })))
    .chain(rendered_datetime.into_iter().map(|creation_time| {
        Some(Row::new([
            TableCell::new_with_alignment("Created", 1, Alignment::Center),
            TableCell::new_with_alignment(creation_time, 1, Alignment::Left),
        ]))
    }))
    .chain(once(selected_pull_request.as_ref().map(|pull_request| {
        Row::new([
            TableCell::new_with_alignment("Labels", 1, Alignment::Center),
            TableCell::new_with_alignment(
                pull_request
                    .labels
                    .iter()
                    .map(|label| label.name.as_str())
                    .collect::<Vec<_>>()
                    .join(", "),
                1,
                Alignment::Left,
            ),
        ])
    })))
    .chain(once(selected_pull_request.as_ref().map(|pull_request| {
        Row::new([
            TableCell::new_with_alignment("Description", 1, Alignment::Center),
            TableCell::new_with_alignment(pull_request.body.as_str(), 1, Alignment::Left),
        ])
    })))
    .flatten();

    let table = BergTableBuilder::new().add_rows(rows).build();

    println!("{}", table.render());
}

async fn present_pull_request_comments(
    client: &BergClient,
    selected_pull_request: Option<PullRequest>,
) -> anyhow::Result<()> {
    let (header, comments) = if let Some(pull_request) = selected_pull_request.as_ref() {
        let comments_list = client.get_comments_for_id(pull_request.number).await?;
        let header = format!(
            "Pull Request #{} {}",
            pull_request.number,
            if comments_list.is_empty() {
                "(no comments)"
            } else {
                "comments"
            }
        );
        (header, comments_list)
    } else {
        (String::from("No Pull Requests available"), vec![])
    };

    let rows = once(Row::new([TableCell::new_with_alignment(
        header,
        1,
        Alignment::Center,
    )]))
    .chain(comments.into_iter().map(|comment| {
        tracing::debug!("comment:{comment:?}");
        Row::new([TableCell::new_with_alignment(
            render_comment(
                comment.user.username.as_str(),
                comment.created_at,
                comment.body.as_str(),
                50,
            ),
            1,
            Alignment::Left,
        )])
    }));

    let table = BergTableBuilder::new()
        .add_rows(rows)
        .with_max_column_width(50)
        .build();

    println!("{}", table.render());

    Ok(())
}