rsconstruct 0.9.85

use anyhow::Result;
use std::path::Path;
use std::process::Command;

use serde::{Deserialize, Serialize};

use crate::config::StandardConfig;
use crate::file_index::FileIndex;
use crate::graph::{BuildGraph, Product};
use crate::processors::{
    DirectoryProductOpts, Processor, SiblingFilter, anchor_display_dir, check_command_output,
    discover_directory_products, run_in_anchor_dir,
};

#[derive(Debug, Deserialize, Serialize, Clone)]
/// Mdbook config. Custom: `cache_output_dir`.
pub struct MdbookConfig {
    #[serde(default = "crate::config::default_true")]
    pub cache_output_dir: bool,
    #[serde(flatten)]
    pub standard: StandardConfig,
}

impl Default for MdbookConfig {
    fn default() -> Self {
        Self {
            cache_output_dir: true,
            standard: StandardConfig::default(),
        }
    }
}

pub struct MdbookProcessor {
    config: MdbookConfig,
}

impl MdbookProcessor {
    pub const fn new(config: MdbookConfig) -> Self {
        Self { config }
    }

    /// Run mdbook build in the book.toml's directory
    fn execute_mdbook(
        &self,
        ctx: &crate::build_context::BuildContext,
        book_toml: &Path,
    ) -> Result<()> {
        let mut cmd = Command::new(&self.config.standard.command);
        cmd.arg("build");
        cmd.arg(".");
        for arg in &self.config.standard.args {
            cmd.arg(arg);
        }
        let output = run_in_anchor_dir(ctx, &mut cmd, book_toml)?;
        check_command_output(
            &output,
            format_args!("mdbook build in {}", anchor_display_dir(book_toml)),
        )
    }
}

impl Processor for MdbookProcessor {
    fn scan_config(&self) -> &crate::config::StandardConfig {
        &self.config.standard
    }

    fn config_json(&self) -> Option<String> {
        crate::processors::ProcessorBase::config_json(&self.config)
    }

    fn clean(&self, product: &crate::graph::Product, verbose: bool) -> anyhow::Result<usize> {
        crate::processors::ProcessorBase::clean_output_dir(product, &product.processor, verbose)
    }

    fn required_tools(&self) -> Vec<String> {
        vec![self.config.standard.command.clone()]
    }

    fn discover(
        &self,
        graph: &mut BuildGraph,
        file_index: &FileIndex,
        instance_name: &str,
    ) -> Result<()> {
        discover_directory_products(
            graph,
            DirectoryProductOpts {
                scan: &self.config.standard,
                file_index,
                dep_inputs: &self.config.standard.dep_inputs,
                cfg_hash: &self.config,
                checksum_fields: crate::config::checksum_fields_of(instance_name),
                siblings: &SiblingFilter {
                    extensions: &[".md", ".toml"],
                    excludes: &["/.git/", "/out/", "/.rsconstruct/", "/book/"],
                },
                processor_name: instance_name,
                output_dir_name: if self.config.cache_output_dir {
                    Some(self.config.standard.output_dir.as_str())
                } else {
                    None
                },
            },
        )
    }

    fn execute(&self, ctx: &crate::build_context::BuildContext, product: &Product) -> Result<()> {
        self.execute_mdbook(ctx, product.primary_input())
    }
}

fn plugin_create(toml: &toml::Value) -> anyhow::Result<Box<dyn crate::processors::Processor>> {
    crate::registries::deserialize_and_create(toml, |cfg| Box::new(MdbookProcessor::new(cfg)))
}
inventory::submit! {
    crate::registries::ProcessorPlugin {
        version: 1,
        name: "mdbook",
        processor_type: crate::processors::ProcessorType::Creator,
        create: plugin_create,
        fields: &[
            crate::config::FieldSpec { name: "cache_output_dir", ty: crate::config::FieldType::Bool,
                affects_output: false, required: false,
                doc: "Cache the entire output directory as a unit" },
        ],
        omit_standard_fields: &["formats", "dep_auto"],
        scan_defaults: Some(crate::config::ScanDefaultsData { src_dirs: &[], src_extensions: &["book.toml"], src_exclude_dirs: &[] }),
        defaults: Some(crate::config::ProcessorDefaults { command: "mdbook", output_dir: "book", ..crate::config::ProcessorDefaults::EMPTY }),
        defconfig_json: crate::registries::default_config_json::<MdbookConfig>,
        keywords: &["markdown", "md", "rust", "documentation", "book", "html"],
        description: "Build mdbook documentation",
        is_native: false,
        can_fix: false,
        supports_batch: false,
        max_jobs_cap: Some(1),
    }
}