#!/usr/bin/env ruby
require "thin"
require "sinatra/base"
require "dolt/repo_actions"
require "dolt/template_renderer"
require "dolt/view"
require "dolt/disk_repo_resolver"

if ARGV.length == 0
  puts("Dolt should be run with a directory as its sole argument")
  puts("The directory should either be a Git repository or a directory")
  puts("that holds Git repositories.")
  exit(1)
end

### TODO: Extract this into a testable API

def is_git_repo?(dir)
  File.exists?(File.join(dir, ".git"))
end

def create_app(dir, view)
  if is_git_repo?(dir)
    dir = File.expand_path(dir)
    resolver = Dolt::DiskRepoResolver.new(File.dirname(dir))
    actions = Dolt::RepoActions.new(resolver)
    view.helper(Dolt::View::SingleRepository)
    require "dolt/sinatra/single_repo_browser"
    Dolt::Sinatra::SingleRepoBrowser.new(File.basename(dir), actions, view)
  else
    resolver = Dolt::DiskRepoResolver.new(dir)
    actions = Dolt::RepoActions.new(resolver)
    view.helper(Dolt::View::MultiRepository)
    require "dolt/sinatra/multi_repo_browser"
    Dolt::Sinatra::MultiRepoBrowser.new(actions, view)
  end
end

base = File.join(File.dirname(__FILE__), "..")

template_root = File.join(base, "views")
view = Dolt::TemplateRenderer.new(template_root, {
  :cache => false,
  :layout => "layout"
})

view.helper(Dolt::View::Object)
view.helper(Dolt::View::Blob)
view.helper(Dolt::View::Blame)
view.helper(Dolt::View::Breadcrumb)
view.helper(Dolt::View::Tree)
view.helper(Dolt::View::Commit)
view.helper(Dolt::View::Gravatar)
Dolt::View::TabWidth.tab_width = 4
view.helper(Dolt::View::TabWidth)
view.helper(Dolt::View::BinaryBlobEmbedder)

# Configure blob rendering module

# Attempt to syntax highlight every blob
# view.helper(Dolt::View::SyntaxHighlight)

# Attempt to render every blob as markup
# view.helper(Dolt::View::Markup)

# Render supported formats as markup, syntax highlight the rest
view.helper(Dolt::View::SmartBlobRenderer)

Sinatra::Base.set(:public_folder, File.join(base, "vendor/ui"))
server = create_app(ARGV[0], view)
Thin::Server.start("0.0.0.0", 3000, server)