package builder

import (
	"github.com/dokku/dokku/plugins/common"
)

// ReportSingleApp is an internal function that displays the builder report for one or more apps
func ReportSingleApp(appName string, format string, infoFlag string) error {
	if appName != "--global" {
		if err := common.VerifyAppName(appName); err != nil {
			return err
		}
	}

	var flags map[string]common.ReportFunc
	if appName == "--global" {
		flags = map[string]common.ReportFunc{
			"--builder-global-selected":        reportGlobalSelected,
			"--builder-global-build-dir":       reportGlobalBuildDir,
			"--builder-global-skip-cleanup":    reportGlobalSkipCleanup,
			"--builder-computed-skip-cleanup":  reportComputedSkipCleanup,
		}
	} else {
		flags = map[string]common.ReportFunc{
			"--builder-computed-selected":     reportComputedSelected,
			"--builder-global-selected":       reportGlobalSelected,
			"--builder-selected":              reportSelected,
			"--builder-detected":              reportDetected,
			"--builder-computed-build-dir":    reportComputedBuildDir,
			"--builder-global-build-dir":      reportGlobalBuildDir,
			"--builder-build-dir":             reportBuildDir,
			"--builder-computed-skip-cleanup": reportComputedSkipCleanup,
			"--builder-global-skip-cleanup":   reportGlobalSkipCleanup,
			"--builder-skip-cleanup":          reportSkipCleanup,
		}
	}

	flagKeys := []string{}
	for flagKey := range flags {
		flagKeys = append(flagKeys, flagKey)
	}

	infoFlags := common.CollectReport(appName, infoFlag, flags)
	return common.ReportSingleApp(common.ReportSingleAppInput{
		ReportType:              "builder",
		AppName:                 appName,
		InfoFlag:                infoFlag,
		InfoFlags:               infoFlags,
		InfoFlagKeys:            flagKeys,
		Format:                  format,
		TrimPrefix:              true,
		UppercaseFirstCharacter: true,
		EmitLegacyPrefix:        true,
	})
}

func reportComputedSelected(appName string) string {
	value := reportSelected(appName)
	if value == "" {
		value = reportGlobalSelected(appName)
	}

	return value
}

func reportGlobalSelected(appName string) string {
	return common.PropertyGet("builder", "--global", "selected")
}

func reportDetected(appName string) string {
	return common.PropertyGet("builder", appName, "detected")
}

func reportSelected(appName string) string {
	return common.PropertyGet("builder", appName, "selected")
}

func reportComputedBuildDir(appName string) string {
	value := reportBuildDir(appName)
	if value == "" {
		value = reportGlobalBuildDir(appName)
	}

	return value
}
func reportGlobalBuildDir(appName string) string {
	return common.PropertyGet("builder", "--global", "build-dir")
}

func reportBuildDir(appName string) string {
	return common.PropertyGet("builder", appName, "build-dir")
}

func reportComputedSkipCleanup(appName string) string {
	value := reportSkipCleanup(appName)
	if value == "" {
		value = reportGlobalSkipCleanup(appName)
	}
	if value == "" {
		value = "false"
	}

	return value
}

func reportGlobalSkipCleanup(appName string) string {
	return common.PropertyGet("builder", "--global", "skip-cleanup")
}

func reportSkipCleanup(appName string) string {
	return common.PropertyGet("builder", appName, "skip-cleanup")
}