package hieda_yamlutil

import (
	"fmt"
	"git.swzry.com/zry/GoHiedaLogger/hiedalog"
	"github.com/ttacon/chalk"
	"io"
	"strings"
)

type SimpleConsoleBackend struct {
	wr            io.Writer
	s_fc_json_key func(string) string
	s_fc_json_val func(string) string
	s_lvd         []func(string) string
}

func NewSimpleConsoleBackend(wr io.Writer) *SimpleConsoleBackend {
	scb := &SimpleConsoleBackend{
		wr:            wr,
		s_fc_json_key: chalk.White.NewStyle().WithTextStyle(chalk.Bold).Style,
		s_fc_json_val: chalk.White.NewStyle().WithTextStyle(chalk.Italic).WithTextStyle(chalk.Underline).Style,
		s_lvd: []func(string) string{
			chalk.Red.NewStyle().WithTextStyle(chalk.Bold).WithTextStyle(chalk.Underline).Style,
			chalk.Red.NewStyle().WithTextStyle(chalk.Bold).Style,
			chalk.Red.NewStyle().Style,
			chalk.Yellow.NewStyle().Style,
			chalk.Green.NewStyle().Style,
			chalk.Cyan.NewStyle().Style,
			chalk.Blue.NewStyle().Style,
		},
	}
	return scb
}

func (b *SimpleConsoleBackend) EmitStringLog(module string, level hiedalog.HiedaLogLevel, content string) {
	var lv string
	if level.LevelNumber < 7 {
		lv = b.s_lvd[level.LevelNumber](level.Name)
	} else {
		lv = level.Name
	}
	_, _ = fmt.Fprintf(b.wr, "<%s> [%s] %s\n", lv, module, content)
}

func (b *SimpleConsoleBackend) EmitComplexLog(module string, level hiedalog.HiedaLogLevel, data map[string]string) {
	b.EmitStringLog(module, level, b.prettyComplexToString(data))
}

func (b *SimpleConsoleBackend) prettyComplexToString(data map[string]string) string {
	sb := strings.Builder{}
	scn := 0
	xr := false
	if len(data) < 5 {
		for k, v := range data {
			scn += len(k) + len(v) + 2
			if scn > 160 {
				xr = true
				break
			}
			sb.WriteString(b.s_fc_json_key(k))
			sb.WriteRune(':')
			sb.WriteString(b.s_fc_json_val(v))
			sb.WriteString(", ")
		}
		if !xr {
			so := sb.String()
			return so[:len(so)-2]
		}
	}
	sb = strings.Builder{}
	sb.WriteRune('\n')
	for k, v := range data {
		sb.WriteString(b.s_fc_json_key(k))
		sb.WriteRune(':')
		sb.WriteString(b.s_fc_json_val(v))
		sb.WriteRune('\n')
	}
	return sb.String()
}