From 460a4a816681588a8a937263cbe92cc562b6084d Mon Sep 17 00:00:00 2001
From: Maximilian Schlosser <maximilian.schlosser@tu-dresden.de>
Date: Wed, 12 Jul 2017 17:55:16 +0200
Subject: [PATCH] main method, command line options

---
 src/main.py | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 62 insertions(+), 3 deletions(-)

diff --git a/src/main.py b/src/main.py
index e1e7dda..68fe28e 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,6 +1,65 @@
 #! /usr/bin/env python
-def main() -> None:
-    pass
 
-if "__name__" == "__main__":
+import sys
+import getopt
+from SchedulingAlgorithms import simanneal as sim
+from Outpout import output as o
+
+
+def usage():
+    s=  """
+Command line options:
+    -h      show this help
+    -p      activate pretty output (matplotlib)
+    -l      assume that a file contains multiple problems, default is only 1
+    -i      index of the problem you want solved. has no effect without l
+
+Invocation:
+    python [-hlp] file
+"""
+    return s
+
+
+def main():
+    js1 = False
+    plot = False
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'hpli:')
+    except getoptGetoptError as err:
+        print(err)
+        sys.exit()
+    if ('-h', '') in opts:
+        print(usage())
+    if ('-p', '') in opts:
+        print("Plotting enabled.")
+        plot = True
+    if('-l', '') in opts:
+        js1 = True
+    idx = [int(x[1]) for x in opts if x[0]=='-i']   
+    idx = idx[0] if idx else -1
+    if not args:
+        print("No file given.")
+        sys.exit()            
+    else:
+        infile = args[0]
+    if js1:
+        from Parser import js1_style as parser
+    else:
+        from Parser import js2_style as parser
+    print("Parsing file: " + infile)
+    problem = parser.parse_file(infile)
+    if js1 and idx == -1:
+        print("File contains " + str(len(problem)) + " problems.")
+        idx = int(input("Which problem do you want so solve? [0-" + str(len(problem)-1) + "] "))
+    problem = problem[idx]
+    print(problem)
+    sim.init(problem)
+    solution = sim.anneal()
+    print(solution)
+    print(sim.rate(solution))
+    if plot:
+        o.create_plot(problem, solution)
+
+if __name__ == "__main__":
     main()
+