commodity.go.todo

package luca

import (
	"fmt"
	"io"
	"time"

	"github.com/drummonds/luca/internal/parser"
)

var (
	// Commodities by Id
	Commodities         = map[string]*parser.Commodity{}
	CommoditiesBySymbol = map[string]*parser.Commodity{}
)

func (c *Commodity) GetIdComment() string {
	return c.IdComment
}

func (c *Commodity) GetValueDate() time.Time {
	return c.ValueDate
}

func (c *Commodity) GetKnowledgeDate() *time.Time {
	return c.KnowledgeDate
}

// Convert commodity to a string
func (c *Commodity) GetComments() []string {
	return c.Comments
}

// Convert commodity to a string
func (c *Commodity) String() string {
	return c.Id
}

func (c *Commodity) NumArguments() (count int) {
	count = 0
	if c.Name != "" {
		count++
	}
	if c.SubUnit != 1 {
		count++
	}
	return
}

/*
//
892-01-01 commodity GBP

	name "Pound sterling"
	sub-unit 100
*/
func (c *Commodity) ToLines() []string {
	lines := make([]string, len(c.Comments)+1+c.NumArguments())
	for _, comment := range c.Comments {
		lines = append(lines, "// "+comment)
	}
	// Add the directive line
	lines = append(lines, DirectiveToLine(c))
	// Add argument line
	s := fmt.Sprintf("  name %s", c.Name)
	if c.NameComment != "" {
		s = " // " + c.NameComment
	}
	lines = append(lines, s+"\n")
	s = fmt.Sprintf("  sub-unit %d", c.SubUnit)
	if c.SubUnitComment != "" {
		s = " // " + c.SubUnitComment
	}
	lines = append(lines, s+"\n")
	return lines
}

func (c *Commodity) Write(w io.Writer) error {
	lines := c.ToLines()
	for _, line := range lines {
		_, err := io.WriteString(w, line)
		if err != nil {
			return err
		}
	}
	return nil
}

func (c *Commodity) includedIn(list []*Commodity) bool {
	for _, c2 := range list {
		if c == c2 {
			return true
		}
	}
	return false
}