module docusaurus

import freeflowuniverse.herolib.osal.screen
import os
import freeflowuniverse.herolib.core.pathlib
import freeflowuniverse.herolib.core.texttools
// import freeflowuniverse.herolib.core.base
import freeflowuniverse.herolib.data.markdownparser
import freeflowuniverse.herolib.develop.gittools
// import json
import freeflowuniverse.herolib.osal
import freeflowuniverse.herolib.ui.console

@[heap]
pub struct DocSite {
pub mut:
	name       string
	url        string
	path_src   pathlib.Path
	path_build pathlib.Path
	// path_publish pathlib.Path
	args    DSiteGetArgs
	errors  []SiteError
	config  Config
	factory &DocusaurusFactory @[skip; str: skip] // Reference to the parent
}

pub fn (mut s DocSite) build() ! {
	s.generate()!
	osal.exec(
		cmd:   '	
			cd ${s.path_build.path}
			bash build.sh
			'
		retry: 0
	)!
}

pub fn (mut s DocSite) build_dev_publish() ! {
	s.generate()!
	osal.exec(
		cmd:   '	
			cd ${s.path_build.path}
			bash build_dev_publish.sh
			'
		retry: 0
	)!
}

pub fn (mut s DocSite) build_publish() ! {
	s.generate()!
	osal.exec(
		cmd:   '	
			cd ${s.path_build.path}
			bash build_publish.sh
			'
		retry: 0
	)!
}

pub fn (mut s DocSite) dev() ! {
	s.clean()!
	s.generate()!

	// Create screen session for docusaurus development server
	mut screen_name := 'docusaurus'
	mut sf := screen.new()!

	// Add and start a new screen session
	mut scr := sf.add(
		name:   screen_name
		cmd:    '/bin/bash'
		start:  true
		attach: false
		reset:  true
	)!

	// Send commands to the screen session
	scr.cmd_send('cd ${s.path_build.path}')!
	scr.cmd_send('bash develop.sh')!

	// Print instructions for user
	console.print_header(' Docusaurus Development Server')
	console.print_item('Development server is running in a screen session.')
	console.print_item('To view the server output:')
	console.print_item('  1. Attach to screen: screen -r ${screen_name}')
	console.print_item('  2. To detach from screen: Press Ctrl+A then D')
	console.print_item('  3. To list all screens: screen -ls')
	console.print_item('The site content is on::')
	console.print_item('  1. location of documents: ${s.path_src.path}/docs')
	if osal.cmd_exists('code') {
		console.print_item('  2. We opened above dir in vscode.')
		osal.exec(cmd: 'code ${s.path_src.path}/docs')!
	}

	// Start the watcher in a separate thread
	// mut tf:=spawn watch_docs(docs_path, s.path_src.path, s.path_build.path)
	// tf.wait()!
	println('\n')

	if s.args.watch_changes {
		docs_path := '${s.path_src.path}/docs'
		watch_docs(docs_path, s.path_src.path, s.path_build.path)!
	}
}

@[params]
pub struct ErrorArgs {
pub mut:
	path string
	msg  string
	cat  ErrorCat
}

pub fn (mut site DocSite) error(args ErrorArgs) {
	// path2 := pathlib.get(args.path)
	e := SiteError{
		path: args.path
		msg:  args.msg
		cat:  args.cat
	}
	site.errors << e
	console.print_stderr(args.msg)
}

fn check_item(item string) ! {
	item2 := item.trim_space().trim('/').trim_space().all_after_last('/')
	if ['internal', 'infodev', 'info', 'dev', 'friends', 'dd', 'web'].contains(item2) {
		return error('destination path is wrong, cannot be: ${item}')
	}
}

fn (mut site DocSite) check() ! {
	for item in site.config.main.build_dest {
		check_item(item)!
	}
	for item in site.config.main.build_dest_dev {
		check_item(item)!
	}
}

pub fn (mut site DocSite) generate() ! {
	console.print_header(' site generate: ${site.name} on ${site.path_build.path}')
	console.print_header(' site source on ${site.path_src.path}')
	site.check()!
	site.template_install()!

	// Now copy all directories that exist in src to build
	for item in ['src', 'static', 'cfg'] {
		if os.exists('${site.path_src.path}/${item}') {
			mut aa := site.path_src.dir_get(item)!
			aa.copy(dest: '${site.path_build.path}/${item}')!
		}
	}
	for item in ['docs'] {
		if os.exists('${site.path_src.path}/${item}') {
			mut aa := site.path_src.dir_get(item)!
			aa.copy(dest: '${site.path_build.path}/${item}', delete: true)!
		}
	}

	mut gs := gittools.new()!

	for item in site.config.main.to_import {
		mypath := gs.get_path(
			pull:  false
			reset: false
			url:   item.url
		)!
		mut mypatho := pathlib.get(mypath)
		site.process_md(mut mypatho, item)!
	}
}

fn (mut site DocSite) process_md(mut path pathlib.Path, args MyImport) ! {
	if path.is_dir() {
		mut pathlist_images := path.list(
			regex:     [r'.*\.png$', r'.*\.jpg$', r'.*\.svg$', r'.*\.jpeg$']
			recursive: true
		)!
		for mut mypatho_img in pathlist_images.paths {
			// now copy the image to the dest
			dest := '${site.path_build.path}/docs/${args.dest}/img/${texttools.name_fix(mypatho_img.name())}'
			// println("image copy: ${dest}")
			mypatho_img.copy(dest: dest, rsync: false)!
		}

		mut pathlist := path.list(regex: [r'.*\.md$'], recursive: true)!
		for mut mypatho2 in pathlist.paths {
			site.process_md(mut mypatho2, args)!
		}
		return
	}
	mydest := '${site.path_build.path}/docs/${args.dest}/${texttools.name_fix(path.name())}'
	mut mydesto := pathlib.get_file(path: mydest, create: true)!

	mut mymd := markdownparser.new(path: path.path)!
	mut myfm := mymd.frontmatter2()!
	if !args.visible {
		myfm.args['draft'] = 'true'
	}
	println(myfm)
	println(mymd.markdown()!)
	mydesto.write(mymd.markdown()!)!
	exit(0)
}

fn (mut site DocSite) template_install() ! {
	mut gs := gittools.new()!

	site.factory.template_install(template_update: false, install: false, delete: false)!

	cfg := site.config

	mut myhome := '\$\{HOME\}' // for usage in bash

	profile_include := osal.profile_path_source()!.replace(os.home_dir(), myhome)

	mydir := site.path_build.path.replace(os.home_dir(), myhome)

	for item in ['src', 'static'] {
		mut aa := site.path_src.dir_get(item) or { continue }
		aa.copy(dest: '${site.factory.path_build.path}/${item}', delete: false)!
	}

	develop := $tmpl('templates/develop.sh')
	build := $tmpl('templates/build.sh')
	build_dev_publish := $tmpl('templates/build_dev_publish.sh')
	build_publish := $tmpl('templates/build_publish.sh')

	mut develop_ := site.path_build.file_get_new('develop.sh')!
	develop_.template_write(develop, true)!
	develop_.chmod(0o700)!

	mut build_ := site.path_build.file_get_new('build.sh')!
	build_.template_write(build, true)!
	build_.chmod(0o700)!

	mut build_publish_ := site.path_build.file_get_new('build_publish.sh')!
	build_publish_.template_write(build_publish, true)!
	build_publish_.chmod(0o700)!

	mut build_dev_publish_ := site.path_build.file_get_new('build_dev_publish.sh')!
	build_dev_publish_.template_write(build_dev_publish, true)!
	build_dev_publish_.chmod(0o700)!

	develop_templ := $tmpl('templates/develop_src.sh')
	mut develop2_ := site.path_src.file_get_new('develop.sh')!
	develop2_.template_write(develop_templ, true)!
	develop2_.chmod(0o700)!

	build_templ := $tmpl('templates/build_src.sh')
	mut build2_ := site.path_src.file_get_new('build.sh')!
	build2_.template_write(build_templ, true)!
	build2_.chmod(0o700)!
}