package main

import (
	"bufio"
	"fmt"
	"log"
	"os"
	"strings"
	"time"
)

type test struct {
	name string
	t    time.Time
}

type result struct {
	totalTime time.Duration
	count     int
}

func createReport(f string, m map[string]*result) {
	tests := []test{}
	file, err := os.Open(f)
	if err != nil {
		log.Printf("failed to open file: %s", err)
		return
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		s := strings.Split(scanner.Text(), " ")
		ts := strings.Replace(
			strings.Replace(
				s[0],
				"[",
				"",
				-1,
			),
			"]",
			"",
			-1,
		)
		t, err := time.Parse("15:04:05", ts)
		if err != nil {
			log.Fatal(err)
		}
		qn := strings.Split(s[2], "::")
		tests = append(tests, test{qn[len(qn)-1], t})
	}

	if err := scanner.Err(); err != nil {
		log.Printf("failed to scan cleanly: %s", err)
		return
	}
	for i, te := range tests {
		if i == 0 {
			continue
		}
		realTime := te.t.Sub(tests[i-1].t)
		e, ok := m[te.name]
		if !ok {
			m[te.name] = &result{
				totalTime: realTime,
				count:     1,
			}
		} else {
			e.totalTime = e.totalTime + realTime
			e.count = e.count + 1
		}
	}
}

func main() {
	m := make(map[string]*result)
	if len(os.Args) < 2 {
		log.Fatal("must provide file")
	}
	for _, a := range os.Args[1:] {
		createReport(a, m)
	}
	for k, v := range m {
		fmt.Printf("%s %s\n", k, (v.totalTime / time.Duration(v.count)))
	}
}