phodal/coca

package git

import (
    "fmt"
    "github.com/modernizing/coca/pkg/infrastructure/string_helper"
    "io"
    "regexp"
)

var (
    changeLogRegex = `^(\w*)(?:\((.*)\))?: (.*)$`
)

// high fix
// high features
func ShowChangeLogSummary(commits []CommitMessage, output io.Writer) {
    changeMap := BuildChangeMap(commits)
    for key, value := range changeMap {
        sortValue := string_helper.SortWord(value)
        maxSize := len(sortValue)
        if maxSize > 10 {
            maxSize = 10
        }

        fmt.Fprintf(output, "%s :\n", key)
        fmt.Fprintln(output, "---------------------")
        for _, val := range sortValue[:maxSize] {
            fmt.Fprintf(output, "%s, %d\n", val.Key, val.Value)
        }
        fmt.Fprintln(output, "=====================")
    }
}

func BuildChangeMap(commits []CommitMessage) map[string]map[string]int {
    logRegexp := regexp.MustCompile(changeLogRegex)

    var czMap = make(map[string]map[string]int)
    for _, commit := range commits {
        message := commit.Message
        if logRegexp.MatchString(message) {
            matches := logRegexp.FindStringSubmatch(message)
            if len(matches) > 3 {
                keyword := matches[1]
                //message := matches[3]

                if _, ok := czMap[keyword]; !ok {
                    czMap[keyword] = make(map[string]int)
                }

                for _, change := range commit.Changes {
                    file := change.File
                    file, oldFile, newFile := UpdateMessageForChange(file)
                    if file != oldFile {
                        file = newFile
                    }

                    czMap[keyword][file]++
                }
            }
        }
    }

    return czMap
}