package common

import (
	"database/sql"

	qgen "git.tuxpa.in/a/gosora/query_gen"
)

var Prstore ProfileReplyStore

type ProfileReplyStore interface {
    Get(id int) (*ProfileReply, error)
    Exists(id int) bool
    ClearIPs() error
    Create(profileID int, content string, createdBy int, ip string) (id int, err error)
    Count() (count int)
}

// TODO: Refactor this to stop using the global stmt store
// TODO: Add more methods to this like Create()
type SQLProfileReplyStore struct {
    get    *sql.Stmt
    exists *sql.Stmt
    create *sql.Stmt
    count  *sql.Stmt

    clearIPs *sql.Stmt
}

func NewSQLProfileReplyStore(acc *qgen.Accumulator) (*SQLProfileReplyStore, error) {
    ur := "users_replies"
    return &SQLProfileReplyStore{
        get:    acc.Select(ur).Columns("uid,content,createdBy,createdAt,lastEdit,lastEditBy,ip").Where("rid=?").Stmt(),
        exists: acc.Exists(ur, "rid").Prepare(),
        create: acc.Insert(ur).Columns("uid,content,parsed_content,createdAt,createdBy,ip").Fields("?,?,?,UTC_TIMESTAMP(),?,?").Prepare(),
        count:  acc.Count(ur).Stmt(),

        clearIPs: acc.Update(ur).Set("ip=''").Where("ip!=''").Stmt(),
    }, acc.FirstError()
}

func (s *SQLProfileReplyStore) Get(id int) (*ProfileReply, error) {
    r := ProfileReply{ID: id}
    e := s.get.QueryRow(id).Scan(&r.ParentID, &r.Content, &r.CreatedBy, &r.CreatedAt, &r.LastEdit, &r.LastEditBy, &r.IP)
    return &r, e
}

func (s *SQLProfileReplyStore) Exists(id int) bool {
    e := s.exists.QueryRow(id).Scan(&id)
    if e != nil && e != ErrNoRows {
        LogError(e)
    }
    return e != ErrNoRows
}

func (s *SQLProfileReplyStore) ClearIPs() error {
    _, e := s.clearIPs.Exec()
    return e
}

func (s *SQLProfileReplyStore) Create(profileID int, content string, createdBy int, ip string) (id int, e error) {
    if Config.DisablePostIP {
        ip = ""
    }
    res, e := s.create.Exec(profileID, content, ParseMessage(content, 0, "", nil, nil), createdBy, ip)
    if e != nil {
        return 0, e
    }
    lastID, e := res.LastInsertId()
    if e != nil {
        return 0, e
    }
    // Should we reload the user?
    return int(lastID), e
}

// TODO: Write a test for this
// Count returns the total number of topic replies on these forums
func (s *SQLProfileReplyStore) Count() (count int) {
    return Count(s.count)
}