1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165

use crate::{
  behavior::{push_unique, Concat, WithQuery},
  fmt,
  structure::{Values, ValuesClause},
};

impl Values {
  /// Gets the current state of the Values and returns it as string
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let query = sql::Values::new()
  ///   .values("('foo', 'Foo')")
  ///   .as_string();
  /// ```
  ///
  /// Output
  /// ```sql
  /// VALUES ('foo', 'Foo')
  /// ```
  pub fn as_string(&self) -> String {
    let fmts = fmt::one_line();
    self.concat(&fmts)
  }

  /// Prints the current state of the Values into console output in a more ease to read version.
  /// This method is useful to debug complex queries or just to print the generated SQL while you type
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let values = sql::Values::new()
  ///   .values("(1, 'one'), (2, 'two')")
  ///   .values("(3, 'three')")
  ///   .debug();
  /// ```
  ///
  /// Output
  ///
  /// ```sql
  /// VALUES (1, 'one'), (2, 'two'), (3, 'three')
  /// ```
  pub fn debug(self) -> Self {
    let fmts = fmt::multiline();
    println!("{}", fmt::format(self.concat(&fmts), &fmts));
    self
  }

  /// Create Values's instance
  pub fn new() -> Self {
    Self::default()
  }

  /// Prints the current state of the Values into console output similar to debug method,
  /// the difference is that this method prints in one line.
  pub fn print(self) -> Self {
    let fmts = fmt::one_line();
    println!("{}", fmt::format(self.concat(&fmts), &fmts));
    self
  }

  /// Adds at the beginning a raw SQL query.
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let raw_query = "insert into my_table(nun, txt)";
  /// let values = sql::Values::new()
  ///   .raw(raw_query)
  ///   .values("(1, 'one'), (2, 'two')")
  ///   .debug();
  /// ```
  ///
  /// Output
  ///
  /// ```sql
  /// insert into my_table(num, txt)
  /// VALUES (1, 'one'), (2, 'two')
  /// ```
  pub fn raw(mut self, raw_sql: &str) -> Self {
    push_unique(&mut self._raw, raw_sql.trim().to_owned());
    self
  }

  /// Adds a raw SQL query after a specified clause.
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let raw_query = ", (3, 'three')";
  /// let values = sql::Values::new()
  ///   .values("(1, 'one'), (2, 'two')")
  ///   .raw_after(sql::ValuesClause::Values, raw_query)
  ///   .debug();
  /// ```
  ///
  /// Output
  ///
  /// ```sql
  /// VALUES (1, 'one'), (2, 'two') , (3, 'three')
  /// ```
  pub fn raw_after(mut self, clause: ValuesClause, raw_sql: &str) -> Self {
    self._raw_after.push((clause, raw_sql.trim().to_owned()));
    self
  }

  /// Adds a raw SQL query before a specified clause.
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let raw_query = "/* the values command */";
  /// let values = sql::Values::new()
  ///   .raw_before(sql::ValuesClause::Values, raw_query)
  ///   .values("(1, 'one'), (2, 'two')")
  ///   .debug();
  /// ```
  ///
  /// Output
  ///
  /// ```sql
  /// /* the values command */
  /// VALUES (1, 'one'), (2, 'two')
  /// ```
  pub fn raw_before(mut self, clause: ValuesClause, raw_sql: &str) -> Self {
    self._raw_before.push((clause, raw_sql.trim().to_owned()));
    self
  }

  /// The values clause
  ///
  /// # Examples
  /// ```
  /// use sql_query_builder as sql;
  ///
  /// let values = sql::Values::new()
  ///   .values("(1, 'one'), (2, 'two')")
  ///   .values("(3, 'three')");
  /// ```
  pub fn values(mut self, expression: &str) -> Self {
    push_unique(&mut self._values, expression.trim().to_owned());
    self
  }
}

impl WithQuery for Values {}

impl std::fmt::Display for Values {
  fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
    write!(f, "{}", self.as_string())
  }
}

impl std::fmt::Debug for Values {
  fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
    let fmts = fmt::multiline();
    write!(f, "{}", fmt::format(self.concat(&fmts), &fmts))
  }
}