Megatest

;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.
;;======================================================================

(use format numbers sql-de-lite srfi-1 posix regex regex-case srfi-69)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)




;; (declare (unit multi-dboard))
(declare (uses margs))
;; (declare (uses launch))
(declare (uses megatest-version))
(declare (uses gutils))
;; (declare (uses db))
;; (declare (uses server))

(define (update-search x val)
  (hash-table-set! *searchpatts* x val))


;;======================================================================
;; R E C O R D S
;;======================================================================

;; NOTE: Consider switching to defstruct.

;; data for an area (regression or testsuite)
;;
(define-record areadat
  name               ;; area name
  path               ;; mt run area home
  configdat          ;; megatest config
  denoise            ;; focal point for not putting out same messages over and over
  client-signature   ;; key for client-server conversation
  remote             ;; hash of all the client side connnections
  run-keys           ;; target keys for this area
  runs               ;; used in dashboard, hash of run-ids -> rundat
  read-only          ;; can I write to this area?
  monitordb          ;; db handle for monitor.db
  maindb             ;; db handle for main.db
  )

;; rundat, basic run data
;;
(define-record rundat
  id                 ;; the run-id
  target             ;; val1/val2 ... corrosponding to run-keys in areadat
  runname
  state              ;; state of the run, symbol 
  status             ;; status of the run, symbol
  event-time         ;; when the run was initiated
  tests              ;; hash of test-id -> testdat, QUESTION: separate by run-id?
  db                 ;; db handle
  )

;; testdat, basic test data
(define-record testdat
  run-id             ;; what run is this from
  id                 ;; test id
  state              ;; test state, symbol
  status             ;; test status, symbol
  event-time         ;; when the test started
  duration           ;; how long the test took
  )

;; general data for the dboard application
;;
(define-record data
  cfgdat             ;; data from ~/.megatest/<group>.dat
  areas              ;; hash of areaname -> area-rec
  current-window-id  ;; 
  current-tab-id     ;; 
  update-needed      ;; flag to indicate that the tab pointed to by current tab id needs refreshing immediately
  tab-ids            ;; hash of tab-id -> areaname
  )

;; all the components of an area display, all fits into a tab but
;; parts may be swapped in/out as needed
;;
(define-record tab
  tree
  matrix    ;; the spreadsheet 
  areadat   ;; the one-structure (one day dbstruct will be put in here)
  view-path ;; <target/path>/<runname>/...
  view-type ;; standard, etc.
  controls  ;; the controls
  data      ;; all the data kept in sync with db
  filters   ;; user filters, alist name -> filter record, eventually store these in ~/.megatest/<group>.dat?
  run-id    ;; the current run-id
  test-ids  ;; the current test id hash, run-id => test-id
  command   ;; the command from the entry field
  )

(define-record filter
  target    ;; hash of widgets for the target
  runname   ;; the runname widget
  testpatt  ;; the testpatt widget
  )

;;======================================================================
;; D B
;;======================================================================

;; These are all using sqlite and independent of area so cannot use stuff 
;; from db.scm

;; NB// run-id=#f => return dbdir only
;;
(define (areadb:dbfile-path areadat run-id)
  (let* ((cfgdat  (areadat-configdat areadat))
	 (dbdir   (or (configf:lookup cfgdat "setup" "dbdir")
		      (conc (configf:lookup cfgdat "setup" "linktree") "/.db")))
	 (fname   (if run-id
		      (case run-id
			((-1) "monitor.db")
			((0) "main.db")
			(else (conc run-id ".db")))
		      #f)))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 "ERROR: Couldn't create path to " dbdir)
       (exit 1))
     (if (not (directory? dbdir))(create-directory dbdir #t)))
    (if fname
	(conc dbdir "/" fname)
	dbdir)))

;; -1 => monitor.db
;;  0 => main.db
;; >1 => <run-id>.db
;;
(define (areadb:open areadat run-id)
  (let* ((runs   (areadat-runs areadat))
	 (rundat (if (> run-id 0) ;; it is a run
		     (hash-table-ref/default runs run-id #f)
		     #f))
	 (db     (case run-id ;; if already opened, get the db and return it
		   ((-1) (areadat-monitordb areadat))
		   ((0)  (areadat-maindb    areadat))
		   (else (if run
			     (rundat-db rundat)
			     #f)))))
    (if db
	db ;; merely return the already opened db
	(let* ((dbfile (areadb:dbfile-path areadat run-id)) ;; not already opened, so open it
	       (db     (if (file-exists? dbfile)
			   (open-database dbfile)
			   (begin
			     (debug:print 0 "ERROR: I was asked to open " dbfile ", but file does not exist or is not readable.")
			     #f))))
	  (case run-id
	    ((-1)(areadat-monitordb-set! areadat db))
	    ((0) (areadat-maindb-set!    areadat db))
	    (else (rundat-db-set!        rundat  db)))
	  db))))

;; populate the areadat tests info, does NOT fill the tests data itself
;;
(define (areadb:populate-run-info areadat)
  (let* ((runs   (or (areadat-tests areadat) (make-hash-table)))
	 (keys   (areadat-run-keys areadat))
	 (maindb (areadb:open areadat 0)))
    (query (for-each-row (lambda (row)
			   (let ((id  (list-ref row 0))
				 (dat (apply make-rundat (append row (list #f #f))))) ;; add placeholders for tests and db
			     (hash-table-set! runs id dat)))
			 (sql maindb (conc "SELECT id,"
					   (string-intersperse keys "'||/||'")
					   ",runname,state,status,event_time FROM runs WHERE state != 'DELETED';"))))
    areadat))
					   

;;======================================================================
;; T R E E 
;;======================================================================

;; <area> - <target - ... > - <runname> - <test> - <itempath - ...>

(define (dashboard:tree-browser data adat window-id)
  ;; (iup:split
  (let* ((tb      (iup:treebox
		   #:selection-cb
		   (lambda (obj id state)
		     ;; (print "obj: " obj ", id: " id ", state: " state)
		     (let* ((tree-path (tree:node->path obj id))
			    (area      (car tree-path))
			    (areadat-path (cdr tree-path)))
		       #f
		       ;; (test-id  (tree-path->test-id (cdr run-path))))
		       ;; (if test-id
		       ;;    (hash-table-set! (dboard:data-get-curr-test-ids *data*)
		       ;;		     window-id test-id))
		       ;; (print "path: " (tree:node->path obj id) " test-id: " test-id))))))
		       )))))

       view-matrix)))))

;;======================================================================
;; A R E A S
;;======================================================================

(define (dashboard:init-area data area-name apath)
  (let* ((mtconffile  (conc apath "/megatest.config"))
	 (mtconf      (read-config mtconffile (make-hash-table) #f)) ;; megatest.config
	 (area-dat    (let ((ad (make-areadat
				 area-name ;; area name
				 apath     ;; path to area
				 ;; 'http     ;; transport
				 mtconf    ;; megatest.config
				 (make-hash-table) ;; denoise hash
				 #f        ;; client-signature
				 #f        ;; remote connections
				 #f        ;; run keys
				 (make-hash-table) ;; run-id -> (hash of test-ids => dat)
				 (and (file-exists? apath)(file-write-access? apath)) ;; read-only
				 #f
				 #f
				 )))
			(hash-table-set! (data-areas data) area-name ad)
			ad)))
    area-dat))

;;======================================================================
;; D A S H B O A R D
;;======================================================================

(define (dashboard:area-panel aname data window-id)