#! /usr/bin/env sh
exec guile -e main -s "$0" "$@"
!#

(use-modules (bible-tools bible-tools)
	     (bible-tools latex-export)
	     (srfi srfi-1)
	     (srfi srfi-26))

(define (help)
  (display "Usage: bible2latex [-b book] [-c chapter]")
  (display " [-h] [-v] [--bible b]\n")
  (display "\t-b book\t\texport the book to latex\n")
  (display "\t-c chapter\texport this chapter to latex\n")
  (display "\t-h\t\tdisplay this help message\n")
  (display "\t-v\t\tdisplay the current version\n")
  (display "\t--bible b use this bible\n"))

(define (main args)
  (define version "bible2latex v1.0.0\n")
  (define pr (compose display as-latex))
  (define flag? (cut member <> args))
  (define get (compose cadr flag?))
  (let-syntax ((conf
		(syntax-rules (else)
		  ((_ (f e)... (else g)) (cond ((flag? f) e)...
					       (else g))))))
    (let ((bible (if (flag? "--bible") (get "--bible") "elb1871")))
      (with-bible bible
		  (conf ("-h" (help))
			("-v" (display version))
			("-b" (if (flag? "-c")
				  (call-with-chapter (get "-b")
						     (get "-c") pr)
				  (call-with-book (get "-b") pr)))
			(else pr))))))