Megatest

  version " megatest-version "
  license GPL, Copyright (C) Matt Welland 2012-2016

Usage: dashboard [options]
  -h                    : this help
  -test run-id,test-id  : control test identified by testid
  -skip-version-check   : skip the version check
  -use-db-cache         : access database via cache 

Misc
  -rows R         : set number of rows
  -cols C         : set number of columns
"))

;;   -server host:port     : connect to host:port instead of db access

			) 
		 (list  "-h"
			"-use-server"
			"-guimonitor"
			"-main"
			"-v"
			"-q"
			"-use-db-cache"
			"-skip-version-check"
			"-repl"
			)
		 args:arg-hash
		 0))

(if (not (null? remargs))

;; TODO: Move this inside (main)
;;
(if (not (launch:setup))
    (begin
      (print "Failed to find megatest.config, exiting") 
      (exit 1)))

;; create a watch dog to move changes from lt/.db/*.db to megatest.db
;;
(if (file-write-access? (conc *toppath* "/megatest.db"))
    (thread-start! (make-thread common:watchdog "Watchdog thread"))
    (if (not (args:get-arg "-use-db-cache"))
	(begin
	  (debug:print-info 0 *default-log-port* "Forcing db-cache mode due to read-only access to megatest.db")
	  (hash-table-set! args:arg-hash "-use-db-cache" #t))))

;; data common to all tabs goes here
;;
(defstruct dboard:commondat
  ((curr-tab-num 0) : number)
  please-update  
  tabdats

  ((searchpatts        (make-hash-table)) : hash-table)  ;;
  ((state-ignore-hash  (make-hash-table)) : hash-table)  ;; hash of  STATE => #t/#f for display control
  ((status-ignore-hash (make-hash-table)) : hash-table)  ;; hash of STATUS => #t/#f
  (target              #f)
  (test-patts          #f)

  ;; db info to file the .db files for the area
  (access-mode        (db:get-access-mode))             ;; use cached db or not
  (dbdir               #f)
  (dbfpath             #f)
  (dbkeys              #f)
  ((last-db-update     (make-hash-table)) : hash-table) ;; last db file timestamp
  (monitor-db-path     #f)                              ;; where to find monitor.db
  ro                                                    ;; is the database read-only?

  ;; tests data
  ((num-tests          10)               : number)      ;; total number of tests to show (used in the old runs display)

  ;; runs tree
  ((path-run-ids       (make-hash-table)) : hash-table) ;; path (target / runname) => id
  (runs-tree           #f)
  ((runs-tree-ht       (make-hash-table)) : hash-table) ;; track which targets added to tree (merge functionality with path-run-ids?)

  ;; tab data
  ((view-changed       #t)                : boolean)   
  ((xadj               0)                 : number)     ;; x slider number (if using canvas)
  ((yadj               0)                 : number)     ;; y slider number (if using canvas)
  ;; runs-summary tab state
  ((runs-summary-modes '((one-run . "Show One Run") (xor-two-runs . "XOR Two Runs") (xor-two-runs-hide-clean . "XOR; Hide Clean")) )   : list)

  (dboard:tabdat-dbdir-set! tabdat (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/.db"))
  (dboard:tabdat-dbfpath-set! tabdat (db:dbfile-path))
  (dboard:tabdat-monitor-db-path-set! tabdat (conc (dboard:tabdat-dbdir tabdat) "/monitor.db"))

  ;; HACK ALERT: this is a hack, please fix.
  (dboard:tabdat-ro-set! tabdat (not (file-read-access? (dboard:tabdat-dbfpath tabdat))))
  
  (dboard:tabdat-keys-set! tabdat (db:dispatch-query (db:get-access-mode) rmt:get-keys db:get-keys))
  (dboard:tabdat-dbkeys-set! tabdat (append (dboard:tabdat-keys tabdat) (list "runname")))
  (dboard:tabdat-tot-runs-set! tabdat (rmt:get-num-runs "%"))
  )

;; RADT => Matrix defstruct addition
(defstruct dboard:graph-dat
    ((id           #f) : string)

;; This is roughly the same as dboard:get-tests-dat, should merge them if possible
;;
;; gets all the tests for run-id that match testnamepatt and key-vals, merges them
;;
;;    NOTE: Yes, this is used
;;
(define (dboard:get-tests-for-run-duplicate tabdat run-id run testnamepatt key-vals)
  (let* ((access-mode  (dboard:tabdat-access-mode tabdat))
         (num-to-get
          (let ((num-tests-from-config (configf:lookup *configdat* "setup" "num-tests-to-get")))
            (if num-tests-from-config
                (begin
                  (BB> "override num-tests 100 -> "num-tests-from-config)
                  (string->number num-tests-from-config))
                100)))
	 (states      (hash-table-keys (dboard:tabdat-state-ignore-hash tabdat)))

	 (db-path     (or (dboard:rundat-db-path run-dat)
			  (let* ((db-dir (tasks:get-task-db-path))
				 (db-pth (conc db-dir "/" run-id ".db")))
			    (dboard:rundat-db-path-set! run-dat db-pth)
			    db-pth)))
	 (tmptests    (if (or do-not-use-db-file-timestamps
			      (>=  (common:lazy-modification-time db-path) last-update))
                          (db:dispatch-query access-mode rmt:get-tests-for-run db:get-tests-for-run
                                             run-id testnamepatt states statuses  ;; run-id testpatt states statuses
                                             (dboard:rundat-run-data-offset run-dat)
                                             num-to-get
                                             (dboard:tabdat-hide-not-hide tabdat) ;; no-in
                                             sort-by                              ;; sort-by
                                             sort-order                           ;; sort-order
                                             #f ;; 'shortlist                           ;; qrytype
                                             (if (dboard:tabdat-filters-changed tabdat) 
                                                 0
                                                 last-update) ;; last-update
                                             *dashboard-mode*) ;; use dashboard mode
			  '()))
	 (use-new    (dboard:tabdat-hide-not-hide tabdat))
	 (tests-ht   (if (dboard:tabdat-filters-changed tabdat)
			 (let ((ht (make-hash-table)))
			   (dboard:rundat-tests-set! run-dat ht)
			   ht)
			 (dboard:rundat-tests run-dat)))

;; this calls dboard:get-tests-for-run-duplicate for each run
;;
;; create a virtual table of all the tests
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;;
(define (update-rundat tabdat runnamepatt numruns testnamepatt keypatts)
  (let* ((access-mode      (dboard:tabdat-access-mode tabdat))
         (keys             (db:dispatch-query access-mode rmt:get-keys db:get-keys))
	 (last-runs-update (dboard:tabdat-last-runs-update tabdat))
         (allruns          (db:dispatch-query access-mode rmt:get-runs db:get-runs
                                              runnamepatt numruns (dboard:tabdat-start-run-offset tabdat) keypatts))
         ;;(allruns-tree (rmt:get-runs-by-patt (dboard:tabdat-keys tabdat) "%" #f #f #f #f))
         (allruns-tree    (db:dispatch-query access-mode rmt:get-runs-by-patt db:get-runs-by-patt
                                             keys "%" #f #f #f #f last-runs-update));;'("id" "runname")
	 (header      (db:get-header allruns))
	 (runs        (db:get-rows   allruns)) ;; RA => Filtered as per runpatt selected
         (runs-tree   (db:get-rows   allruns-tree)) ;; RA => Returns complete list of runs
	 (start-time  (current-seconds))
	 (runs-hash   (let ((ht (make-hash-table)))
			 (for-each (lambda (run)
				     (hash-table-set! ht (db:get-value-by-header run header "id") run))

(define (tree-path->run-id tabdat path)
  (if (not (null? path))
      (hash-table-ref/default (dboard:tabdat-path-run-ids tabdat) path #f)
      #f))

(define (dboard:get-tests-dat tabdat run-id last-update)
  (let* ((access-mode     (dboard:tabdat-access-mode tabdat))
         (tdat (if run-id (db:dispatch-query access-mode rmt:get-tests-for-run db:get-tests-for-run
                                             run-id 
					     (hash-table-ref/default (dboard:tabdat-searchpatts tabdat) "test-name" "%/%")
					     (hash-table-keys (dboard:tabdat-state-ignore-hash tabdat))  ;; '()
					     (hash-table-keys (dboard:tabdat-status-ignore-hash tabdat)) ;; '()
					     #f #f                                                       ;; offset limit
					     (dboard:tabdat-hide-not-hide tabdat)                        ;; not-in
					     #f #f                                                       ;; sort-by sort-order
					     #f ;; get all? "id,testname,item_path,state,status,event_time,run_duration"                        ;; qryval

(define (dashboard:safe-cadr-assoc name lst)
  (let ((res (assoc name lst)))
    (if (and res (> (length res) 1))
	(cadr res)
	#f)))

(define (dboard:update-tree tabdat runs-hash runs-header tb)
  (let* ((access-mode   (dboard:tabdat-access-mode tabdat))
         (run-ids (sort (filter number? (hash-table-keys runs-hash))
			(lambda (a b)
			  (let* ((record-a (hash-table-ref runs-hash a))
				 (record-b (hash-table-ref runs-hash b))
				 (time-a   (db:get-value-by-header record-a runs-header "event_time"))
				 (time-b   (db:get-value-by-header record-b runs-header "event_time")))
			    (< time-a time-b)))))
         (changed      #f)
	 (last-runs-update  (dboard:tabdat-last-runs-update tabdat))
	 (runs-dat     (db:dispatch-query access-mode rmt:get-runs-by-patt db:get-runs-by-patt
                                          (dboard:tabdat-keys tabdat) "%" #f #f #f #f last-runs-update)))
    (dboard:tabdat-last-runs-update-set! tabdat (- (current-seconds) 2))
    (for-each (lambda (run-id)
		(let* ((run-record (hash-table-ref/default runs-hash run-id #f))
		       (key-vals   (map (lambda (key)(db:get-value-by-header run-record runs-header key))
					(dboard:tabdat-keys tabdat)))
		       (run-name   (db:get-value-by-header run-record runs-header "runname"))
		       (col-name   (conc (string-intersperse key-vals "\n") "\n" run-name))

         (dashboard:run-id->tests-mindat src-run-id tabdat runs-hash)
         (dashboard:run-id->tests-mindat dest-run-id tabdat runs-hash)
         hide-clean: hide-clean)
        #f)))


(define (dashboard:get-runs-hash tabdat)
  (let* ((access-mode       (dboard:tabdat-access-mode tabdat))
         (last-runs-update  0);;(dboard:tabdat-last-runs-update tabdat))
	 (runs-dat     (db:dispatch-query access-mode rmt:get-runs-by-patt db:get-runs-by-patt 
                                          (dboard:tabdat-keys tabdat) "%" #f #f #f #f last-runs-update))
	 (runs-header  (vector-ref runs-dat 0)) ;; 0 is header, 1 is list of records
         (runs         (vector-ref runs-dat 1))
	 (run-id       (dboard:tabdat-curr-run-id tabdat))
         (runs-hash    (let ((ht (make-hash-table)))
			 (for-each (lambda (run)
				     (hash-table-set! ht (db:get-value-by-header run runs-header "id") run))
				   runs) ht)))
    runs-hash))
         

(define (dashboard:runs-summary-updater commondat tabdat tb cell-lookup run-matrix)
  (if (dashboard:database-changed? commondat tabdat context-key: 'runs-summary-rundat)
      (dashboard:do-update-rundat tabdat))
  (dboard:runs-summary-control-panel-updater tabdat)
  (let* ((last-runs-update  (dboard:tabdat-last-runs-update tabdat))
	 (runs-dat     (db:dispatch-query (dboard:tabdat-access-mode tabdat)
                                          rmt:get-runs-by-patt db:get-runs-by-patt
                                          (dboard:tabdat-keys tabdat) "%" #f #f #f #f last-runs-update))
	 (runs-header  (vector-ref runs-dat 0)) ;; 0 is header, 1 is list of records
         (runs         (vector-ref runs-dat 1))
	 (run-id       (dboard:tabdat-curr-run-id tabdat))
         (runs-hash (dashboard:get-runs-hash tabdat))
         ;; (runs-hash    (let ((ht (make-hash-table)))
	 ;;        	 (for-each (lambda (run)
	 ;;        		     (hash-table-set! ht (db:get-value-by-header run runs-header "id") run))

;; (define *monitor-db-path* #f)
(define *last-monitor-update-time* 0)

;; Force creation of the db in case it isn't already there.
(tasks:open-db)

(define (dashboard:get-youngest-run-db-mod-time tabdat)
  (let ((dbpath (dboard:tabdat-dbdir tabdat)))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: error in accessing databases in get-youngest-run-db-mod-time: " ((condition-property-accessor 'exn 'message) exn))
       (current-seconds)) ;; something went wrong - just print an error and return current-seconds
     (common:max (map (lambda (filen)
			(file-modification-time filen))
		   (glob (conc (dboard:tabdat-dbdir tabdat) "/*.db*")))))))

(define (dashboard:monitor-changed? commondat tabdat)
  (let* ((run-update-time (current-seconds))
	 (monitor-db-path (dboard:tabdat-monitor-db-path tabdat))
	 (monitor-modtime (if (and monitor-db-path (file-exists? monitor-db-path))
			      (file-modification-time monitor-db-path)
			      -1)))

	      (lambda (a b)
		(< (db:test-get-event_time (hash-table-ref testsdat (car a)))
		   (db:test-get-event_time (hash-table-ref testsdat (car b))))))))))

;; run times tab data updater
;;
(define (dashboard:run-times-tab-run-data-updater commondat tabdat tab-num)
  (let* ((access-mode      (dboard:tabdat-access-mode tabdat))
         (last-runs-update (dboard:tabdat-last-runs-update tabdat))
         (runs-dat      (db:dispatch-query access-mode
                                           rmt:get-runs-by-patt db:get-runs-by-patt
                                           (dboard:tabdat-keys tabdat) "%" #f #f #f #f last-runs-update))
	 (runs-header   (vector-ref runs-dat 0)) ;; 0 is header, 1 is list of records
	 (runs-hash     (let ((ht (make-hash-table)))
			  (for-each (lambda (run)
				      (hash-table-set! ht (db:get-value-by-header run runs-header "id") run))
				    (vector-ref runs-dat 1))
			  ht))
	 (run-ids       (sort (filter number? (hash-table-keys runs-hash))