// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package builder

import (
	"fmt"
	"reflect"
	"strings"
)

type condIn struct {
	col  string
	vals []interface{}
}

var _ Cond = condIn{}

// In generates IN condition
func In(col string, values ...interface{}) Cond {
	return condIn{col, values}
}

func (condIn condIn) WriteTo(w Writer) error {
	if len(condIn.vals) <= 0 {
		return ErrNoInConditions
	}

	switch condIn.vals[0].(type) {
	case []int8:
		vals := condIn.vals[0].([]int8)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []int16:
		vals := condIn.vals[0].([]int16)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []int:
		vals := condIn.vals[0].([]int)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []int32:
		vals := condIn.vals[0].([]int32)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []int64:
		vals := condIn.vals[0].([]int64)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []uint8:
		vals := condIn.vals[0].([]uint8)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []uint16:
		vals := condIn.vals[0].([]uint16)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []uint:
		vals := condIn.vals[0].([]uint)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []uint32:
		vals := condIn.vals[0].([]uint32)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []uint64:
		vals := condIn.vals[0].([]uint64)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []string:
		vals := condIn.vals[0].([]string)
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		for _, val := range vals {
			w.Append(val)
		}
	case []interface{}:
		vals := condIn.vals[0].([]interface{})
		if len(vals) <= 0 {
			return ErrNoInConditions
		}
		questionMark := strings.Repeat("?,", len(vals))
		if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
			return err
		}
		w.Append(vals...)
	case expr:
		val := condIn.vals[0].(expr)
		if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
			return err
		}
		if err := val.WriteTo(w); err != nil {
			return err
		}
		if _, err := fmt.Fprintf(w, ")"); err != nil {
			return err
		}
	case *Builder:
		bd := condIn.vals[0].(*Builder)
		if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
			return err
		}
		if err := bd.WriteTo(w); err != nil {
			return err
		}
		if _, err := fmt.Fprintf(w, ")"); err != nil {
			return err
		}
	default:
		if len(condIn.vals) <= 0 {
			return ErrNoInConditions
		}

		v := reflect.ValueOf(condIn.vals[0])
		if v.Kind() == reflect.Slice {
			l := v.Len()

			questionMark := strings.Repeat("?,", l)
			if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
				return err
			}

			for i := 0; i < l; i++ {
				w.Append(v.Index(i).Interface())
			}
		} else {
			questionMark := strings.Repeat("?,", len(condIn.vals))
			if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
				return err
			}
			w.Append(condIn.vals...)
		}
	}
	return nil
}

func (condIn condIn) And(conds ...Cond) Cond {
	return And(condIn, And(conds...))
}

func (condIn condIn) Or(conds ...Cond) Cond {
	return Or(condIn, Or(conds...))
}

func (condIn condIn) IsValid() bool {
	return len(condIn.col) > 0 && len(condIn.vals) > 0
}
<html>
<head><title>PANIC: session(release): write data/sessions/a/a/aaac422e6438d6db: no space left on device</title>
<meta charset="utf-8" />
<style type="text/css">
html, body {
	font-family: "Roboto", sans-serif;
	color: #333333;
	background-color: #ea5343;
	margin: 0px;
}
h1 {
	color: #d04526;
	background-color: #ffffff;
	padding: 20px;
	border-bottom: 1px dashed #2b3848;
}
pre {
	margin: 20px;
	padding: 20px;
	border: 2px solid #2b3848;
	background-color: #ffffff;
	white-space: pre-wrap;       /* css-3 */
	white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
	white-space: -pre-wrap;      /* Opera 4-6 */
	white-space: -o-pre-wrap;    /* Opera 7 */
	word-wrap: break-word;       /* Internet Explorer 5.5+ */
}
</style>
</head><body>
<h1>PANIC</h1>
<pre style="font-weight: bold;">session(release): write data/sessions/a/a/aaac422e6438d6db: no space left on device</pre>
<pre>github.com/go-macaron/session@v0.0.0-20190805070824-1a3cdc6f5659/session.go:199 (0x8b2934)
gopkg.in/macaron.v1@v1.3.9/context.go:79 (0x83d0a0)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80ab07)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80a8a8)
gopkg.in/macaron.v1@v1.3.9/context.go:121 (0x83d1f8)
gopkg.in/macaron.v1@v1.3.9/context.go:112 (0x84fdb5)
gopkg.in/macaron.v1@v1.3.9/recovery.go:161 (0x84fda8)
gopkg.in/macaron.v1@v1.3.9/logger.go:40 (0x840c73)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80ab07)
github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80a8a8)
gopkg.in/macaron.v1@v1.3.9/context.go:121 (0x83d1f8)
gopkg.in/macaron.v1@v1.3.9/router.go:187 (0x850fc6)
gopkg.in/macaron.v1@v1.3.9/router.go:303 (0x8493e5)
gopkg.in/macaron.v1@v1.3.9/macaron.go:220 (0x841fca)
net/http/server.go:2836 (0x7a79b2)
net/http/server.go:1924 (0x7a341b)
runtime/asm_amd64.s:1373 (0x46f9f0)
</pre>
</body>
</html>