From c673e8dedf47ccbec40a6af12cb8cfc43e8915ed Mon Sep 17 00:00:00 2001
From: Gerdriaan Mulder <gmulder@wolkict.nl>
Date: Sat, 25 Jan 2020 13:33:18 +0100
Subject: [PATCH] Prepare for pricing texts

---
 cmd/cdrtool/main.go | 57 ++++++++++++++++++++++++++-----------
 combine.go          | 68 +++++++++++++++++++++++++++++++++++++++++++++
 import_cdr.go       |  1 +
 3 files changed, 110 insertions(+), 16 deletions(-)
 create mode 100644 combine.go

diff --git a/cmd/cdrtool/main.go b/cmd/cdrtool/main.go
index ce91256..d78bb82 100644
--- a/cmd/cdrtool/main.go
+++ b/cmd/cdrtool/main.go
@@ -11,14 +11,13 @@ import (
 
 var (
 	csvFile    = flag.String("csv", "", "use this call detail record CSV file")
-	validate   = flag.Bool("validate", false, "only validate the call detail record CSV, perform no other actions")
 	pricesFile = flag.String("prices", "", "use this pricing CSV file")
 	priceExec  = flag.Bool("execute", false, "price each CDR according to the prices file")
 	debug      = flag.Bool("debug", false, "show extra debugging")
 )
 
 func usage() {
-	fmt.Println("Usage: cdrtool -csv <file.csv> [-prices <file.csv>] [-validate]")
+	fmt.Println("Usage: cdrtool -csv <file.csv> [-prices <file.csv>] [-debug] [-execute]")
 	flag.PrintDefaults()
 }
 
@@ -26,6 +25,7 @@ func main() {
 	flag.Parse()
 
 	if *csvFile == "" {
+		usage()
 		log.Fatalf("mandatory -csv not set")
 	}
 
@@ -37,27 +37,23 @@ func main() {
 	}
 
 	imported, err := cdr.ImportCSV(*csvFile)
-	if *validate {
-		if err != nil {
-			log.Fatalf("[validate] importing %q failed: %v", *csvFile, err)
-		}
-		log.Printf("[validate] importing %q succeeded", *csvFile)
-		return
-	}
 	if err != nil {
 		log.Fatalf("importing CSV failed: %v", err)
 	}
+	if *debug {
+		log.Printf("importing CDR CSV %q succeeded", *csvFile)
+	}
 
 	importedPrices, err := cdr.ImportPricesFile(*pricesFile)
-	if *validate {
+	if err != nil && *priceExec {
+		log.Fatalf("importing prices CSV %q failed: %v", *pricesFile, err)
+	}
+	if *debug {
 		if err != nil {
-			log.Fatalf("[validate] importing %q failed: %v", *pricesFile, err)
+			log.Printf("[warning] importing prices CSV %q failed: %v", *pricesFile, err)
+		} else {
+			log.Printf("importing prices CSV %q succeeded", *pricesFile)
 		}
-		log.Printf("[validate] importing %q succeeded", *pricesFile)
-		return
-	}
-	if err != nil {
-		log.Fatalf("importing CSV failed: %v", err)
 	}
 
 	if *debug {
@@ -71,6 +67,35 @@ func main() {
 	}
 
 	if *priceExec {
+		texts, err := cdr.CombineTextCDRs(imported, importedPrices)
+		if err != nil {
+			log.Fatalf("combining text CDRs with prices failed: %v", err)
+		}
 
+		/*
+			data, err := cdr.CombineDataCDRs(imported, importedPrices)
+			if err != nil {
+				log.Fatalf("combining data CDRs with prices failed: %v", err)
+			}
+
+			calls, err := cdr.CombineCallCDRs(imported, importedPrices)
+			if err != nil {
+				log.Fatalf("combining call CDRs with prices failed: %v", err)
+			}
+		*/
+
+		if *debug {
+			for _, t := range texts {
+				fmt.Printf("t: %+v\n", t)
+			}
+			/*
+				for _, d := range data {
+					fmt.Printf("d: %+v\n", d)
+				}
+				for _, c := range calls {
+					fmt.Printf("c: %+v\n", c)
+				}
+			*/
+		}
 	}
 }
diff --git a/combine.go b/combine.go
new file mode 100644
index 0000000..b8d7395
--- /dev/null
+++ b/combine.go
@@ -0,0 +1,68 @@
+package cdr
+
+import (
+	"fmt"
+)
+
+func CombineTextCDRs(cdrLines []Line, prices []Price) ([]Text, error) {
+	// Preprocess the price list into a map of "destination" -> Price, filter out the Text destinations, and count how many Text CDRs we have
+	destinationToPriceLine := make(map[string]Price)
+	numTextCDRs := 0
+	for _, l := range cdrLines {
+		if l.Kind != TextLine {
+			continue
+		}
+		if _, ok := destinationToPriceLine[l.Destination]; !ok {
+			for _, p := range prices {
+				if p.Type != PriceText {
+					continue
+				}
+				if p.Destination == l.Destination {
+					destinationToPriceLine[l.Destination] = p
+					break
+				}
+			}
+		}
+		numTextCDRs++
+	}
+
+	// Now convert each text CDR to a priced Text
+	ret := make([]Text, numTextCDRs)
+	i := 0
+	for _, l := range cdrLines {
+		if l.Kind != TextLine {
+			continue
+		}
+		ret[i] = Text{
+			PricedLine{
+				Line:  l,
+				Cost:  destinationToPriceLine[l.Destination].BuyEach,
+				Price: destinationToPriceLine[l.Destination].SellEach,
+			},
+		}
+		i++
+	}
+
+	return ret, nil
+}
+
+func CombineDataCDRs(cdrLines []Line, prices []Price) ([]Data, error) {
+	numDataCDRs := 0
+	for _, l := range cdrLines {
+		if l.Kind != DataLine {
+			continue
+		}
+		numDataCDRs++
+	}
+	ret := make([]Data, numDataCDRs)
+	return ret, fmt.Errorf("not yet implemented")
+}
+
+func CombineCallCDRs(cdrLines []Line, prices []Price) ([]Call, error) {
+	for _, l := range cdrLines {
+		if l.Kind != VoiceLine {
+			continue
+		}
+	}
+	return nil, fmt.Errorf("not yet implemented")
+}
diff --git a/import_cdr.go b/import_cdr.go
index 88a88cf..974fa7f 100644
--- a/import_cdr.go
+++ b/import_cdr.go
@@ -61,6 +61,7 @@ func ImportCSV(fn string) ([]Line, error) {
 	if err != nil {
 		return nil, fmt.Errorf("opening file %q failed: %v", fn, err)
 	}
+	defer f.Close()
 
 	csvReader := csv.NewReader(f)
 	csvReader.FieldsPerRecord = FieldsPerCDRLine