yerba 0.2.1

YAML Editing and Refactoring with Better Accuracy
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use std::sync::LazyLock;

use indoc::indoc;

use super::colorize_examples;
use super::{output, parse_file, run_op};

static EXAMPLES: LazyLock<String> = LazyLock::new(|| {
  colorize_examples(indoc! {r#"
    yerba set config.yml "database.host" "0.0.0.0"
    yerba set config.yml "database.host" "0.0.0.0" --if-exists
    yerba set config.yml "database.host" "0.0.0.0" --condition ".port == 5432"
    yerba set videos.yml "[0].title" "New Title"
    yerba set "data/**/event.yml" "website" "" --if-exists
  "#})
});

#[derive(clap::Args)]
#[command(
  about = "Update an existing value at a path (preserves quote style)",
  arg_required_else_help = true,
  after_help = EXAMPLES.as_str()
)]
pub struct Args {
  file: String,
  selector: String,
  value: String,
  #[arg(long)]
  if_exists: bool,
  #[arg(long)]
  if_missing: bool,
  #[arg(long)]
  condition: Option<String>,
  #[arg(long)]
  dry_run: bool,
}

impl Args {
  pub fn run(self) {
    let mut document = parse_file(&self.file);
    let parent_path = self.selector.rsplit_once('.').map(|(parent, _)| parent).unwrap_or("");

    let should_set = if self.if_exists {
      document.exists(&self.selector)
    } else if self.if_missing {
      !document.exists(&self.selector)
    } else if let Some(condition) = &self.condition {
      document.evaluate_condition(parent_path, condition)
    } else {
      true
    };

    if should_set {
      run_op(|| document.set(&self.selector, &self.value));
    }

    output(&self.file, &document, self.dry_run);
  }
}