feat: impl cli, config, and logging

via clap, figment, and tracing, respectively

7 files changed, 773 insertions, 2 deletions

diff --git a/Cargo.lock b/Cargo.lock
index a8797df..7dc044a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,5 +3,542 @@
 version = 3
 
 [[package]]
+name = "anyhow"
+version = "1.0.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
+
+[[package]]
+name = "atomic"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b88d82667eca772c4aa12f0f1348b3ae643424c8876448f3f7bd5787032e234c"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
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+version = "4.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "335867764ed2de42325fafe6d18b8af74ba97ee0c590fa016f157535b42ab04b"
+dependencies = [
+ "atty",
+ "bitflags",
+ "clap_derive",
+ "clap_lex",
+ "once_cell",
+ "strsim",
+ "termcolor",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16a1b0f6422af32d5da0c58e2703320f379216ee70198241c84173a8c5ac28f3"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d4198f73e42b4936b35b5bb248d81d2b595ecb170da0bac7655c54eedfa8da8"
+dependencies = [
+ "os_str_bytes",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3aa72a6f96ea37bbc5aa912f6788242832f75369bdfdadcb0e38423f100059"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
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+checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "figment"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e56602b469b2201400dec66a66aec5a9b8761ee97cd1b8c96ab2483fcc16cc9"
+dependencies = [
+ "atomic",
+ "pear",
+ "serde",
+ "toml",
+ "uncased",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
+
+[[package]]
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+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8fae54786f62fb2918dcfae3d568594e50eb9b5c25bf04371af6fe7516452fb"
+
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+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
+
+[[package]]
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+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+dependencies = [
+ "cfg-if",
+]
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+[[package]]
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+ "overload",
+ "winapi",
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+[[package]]
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3baf96e39c5359d2eb0dd6ccb42c62b91d9678aa68160d261b9e0ccbf9e9dea9"
+
+[[package]]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15e44241c5e4c868e3eaa78b7c1848cadd6344ed4f54d029832d32b415a58702"
+dependencies = [
+ "inlinable_string",
+ "pear_codegen",
+ "yansi",
+]
+
+[[package]]
+name = "pear_codegen"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82a5ca643c2303ecb740d506539deba189e16f2754040a42901cd8105d0282d0"
+dependencies = [
+ "proc-macro2",
+ "proc-macro2-diagnostics",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+
+[[package]]
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+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
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+[[package]]
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+dependencies = [
+ "proc-macro2",
+ "quote",
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+ "yansi",
+]
+
+[[package]]
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+ "proc-macro2",
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+
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+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "thiserror",
+]
+
+[[package]]
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+checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
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+ "serde_derive",
+]
+
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+ "syn",
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+ "lazy_static",
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+ "once_cell",
+]
+
+[[package]]
 name = "tmuxr"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "dirs",
+ "figment",
+ "serde",
+ "thiserror",
+ "tracing",
+ "tracing-subscriber",
+]
+
+[[package]]
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+ "tracing-attributes",
+ "tracing-core",
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+ "log",
+ "tracing-core",
+]
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+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing-core",
+ "tracing-log",
+]
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+ "winapi-x86_64-pc-windows-gnu",
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+dependencies = [
+ "winapi",
+]
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+[[package]]
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diff --git a/Cargo.toml b/Cargo.toml
index 5dd518c..9639313 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,11 @@ license = "MIT"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0.66"
+clap = { version = "4.0.18", features = ["derive", "env"] }
+dirs = "4.0.0"
+figment = { version = "0.10.8", features = ["toml", "env"] }
+serde = { version = "1.0.147", features = ["derive"] }
+thiserror = "1.0.37"
+tracing = { version = "0.1.37", features = ["attributes"] }
+tracing-subscriber = "0.3.16"
diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..5da1036
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,81 @@
+use crate::{Config, Result};
+use clap::{Args, Parser};
+use std::fs::File;
+use std::sync::Arc;
+use tracing_subscriber::{filter::LevelFilter, Layer, Registry};
+
+/// Simple program to manage projects and ssh hosts using tmux
+#[derive(Parser, Debug)]
+#[command(author, version, about)]
+pub struct Cli {
+    #[command(flatten)]
+    pub verbose: Verbosity,
+
+    /// Connect to ssh host
+    #[arg(short, long)]
+    pub ssh: Option<String>,
+
+    #[command(flatten)]
+    pub config: Config,
+}
+
+impl Cli {
+    pub fn as_layer(&self) -> Result<Vec<Box<dyn Layer<Registry> + Send + Sync>>> {
+        let mut layers = Vec::new();
+
+        let fmt_layer = tracing_subscriber::fmt::layer()
+            .pretty()
+            .with_filter(self.verbose.into_filter())
+            .boxed();
+
+        layers.push(fmt_layer);
+
+        if self.config.enable_logging {
+            let file = File::create(&self.config.log_file)?;
+            let log_layer = tracing_subscriber::fmt::layer()
+                .with_writer(Arc::new(file))
+                .boxed();
+            layers.push(log_layer);
+        };
+
+        Ok(layers)
+    }
+}
+
+#[derive(Debug, Default, Args)]
+pub struct Verbosity {
+    /// Print additional information per occurrence
+    #[arg(short, long, action = clap::ArgAction::Count, conflicts_with = "quiet")]
+    pub verbose: u8,
+
+    /// Suppress all output
+    #[arg(short, long, global = true, conflicts_with = "verbose")]
+    pub quiet: bool,
+}
+
+impl Verbosity {
+    pub fn into_filter(&self) -> LevelFilter {
+        self.into()
+    }
+}
+
+impl From<&Verbosity> for LevelFilter {
+    fn from(value: &Verbosity) -> Self {
+        match value.verbose + 1 - u8::from(value.quiet) {
+            0 => LevelFilter::OFF,
+            1 => LevelFilter::ERROR,
+            2 => LevelFilter::WARN,
+            3 => LevelFilter::INFO,
+            4 => LevelFilter::DEBUG,
+            _ => LevelFilter::TRACE,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_start() {
+        assert_eq!(1, 1);
+    }
+}
diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..42614ec
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,114 @@
+use crate::{Error, Result};
+use clap::{Args, Parser};
+use figment::{
+    providers::{Env, Format, Serialized, Toml},
+    Figment,
+};
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+
+/// Simple program to manage projects and ssh hosts using tmux
+#[derive(Debug, Parser, Serialize, Deserialize)]
+#[command(author, version, about)]
+pub struct Config {
+    /// Path to search for directories
+    pub(crate) path: Vec<PathBuf>,
+
+    /// Stand alone directory. Can be specified multiple times
+    #[arg(short, long)]
+    pub(crate) project: Vec<PathBuf>,
+
+    /// Allows traversal into hidden directories when searching
+    #[arg(long)]
+    pub(crate) hidden: bool,
+
+    #[arg(skip)]
+    pub(crate) finder: Finder,
+
+    #[arg(skip)]
+    pub(crate) enable_logging: bool,
+
+    #[arg(skip)]
+    pub(crate) log_file: PathBuf,
+}
+
+impl Config {
+    pub fn extract(&self) -> Result<Config> {
+        Figment::from(Serialized::defaults(self))
+            .merge(Toml::file("tmuxr.toml"))
+            .merge(Env::prefixed("TMUXR_"))
+            .extract()
+            .map_err(Error::from)
+    }
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            path: Default::default(),
+            project: Default::default(),
+            hidden: Default::default(),
+            finder: Default::default(),
+            enable_logging: Default::default(),
+            log_file: dirs::cache_dir()
+                .map(|p| p.join("tmuxr"))
+                .unwrap_or_default()
+                .join("tmuxr.log"),
+        }
+    }
+}
+
+#[derive(Debug, Args, Serialize, Deserialize)]
+pub(crate) struct Finder {
+    pub(crate) program: String,
+    pub(crate) args: Vec<String>,
+}
+
+impl Default for Finder {
+    fn default() -> Self {
+        Self {
+            program: "fzf-tmux".into(),
+            args: vec![
+                "--".into(),
+                "--multi".into(),
+                "--print-query".into(),
+                "-d/".into(),
+                "--preview-window='right,75%,<80(up,75%,border-bottom)'".into(),
+                "--preview='sel={}; less ${sel:-{q}} 2>/dev/null'".into(),
+            ],
+        }
+    }
+}
+
+#[derive(Debug, Args, Serialize, Deserialize)]
+pub(crate) struct Directory {
+    pub(crate) path: PathBuf,
+    pub(crate) root: bool,
+    pub(crate) hidden: bool,
+}
+
+#[derive(Debug, Default)]
+pub(crate) struct Directories {
+    search_dirs: Vec<PathBuf>,
+    root_dirs: Vec<PathBuf>,
+}
+
+impl From<Vec<Directory>> for Directories {
+    fn from(value: Vec<Directory>) -> Self {
+        value.iter().fold(Directories::default(), |mut acc, d| {
+            match d.root {
+                true => acc.root_dirs.push(d.path.to_owned()),
+                false => acc.search_dirs.push(d.path.to_owned()),
+            };
+            acc
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_start() {
+        assert_eq!(1, 1);
+    }
+}
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..e423493
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,10 @@
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error("IO error: {0:?}")]
+    IO(#[from] std::io::Error),
+
+    #[error("Config error: {0:?}")]
+    Config(#[from] figment::error::Error),
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..872ca50
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,12 @@
+pub use crate::cli::Cli;
+pub use crate::config::Config;
+pub use crate::error::{Error, Result};
+
+mod cli;
+mod config;
+mod error;
+
+#[tracing::instrument()]
+pub fn run(config: &Config) -> Result<()> {
+    Ok(())
+}
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..40fccd6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,12 @@
-fn main() {
-    println!("Hello, world!");
+use clap::Parser;
+use tmuxr::{Cli, Result};
+use tracing_subscriber::prelude::*;
+
+fn main() -> Result<()> {
+    let cli = Cli::parse();
+    let config = cli.config.extract()?;
+
+    tracing_subscriber::registry().with(cli.as_layer()?).init();
+
+    tmuxr::run(&config)
 }