use json::{JsonValue, object};
use crate::Field;

/// 字典字段
///
/// * field 字段名
/// * mode 模式 string
/// * title 字段描述
/// * length 字段总长度(含小数位)
/// * default 默认值
/// * empty 是否可空
/// * dec 小数位
pub struct Dict {
    pub require: bool,
    pub field: String,
    pub mode: String,
    pub title: String,
    pub table: String,
    pub fields: String,
    pub api: String,
    pub def: String,
    pub show: bool,
    pub describe: String,
    pub multiple: bool,
    pub multiple_count: i32,
    pub example: JsonValue,
}

impl Dict {
    pub fn new(require: bool, field: &str, title: &str, table: &str, fields: &str, api: &str) -> Self {
        Self {
            require,
            field: field.to_string(),
            mode: "dict".to_string(),
            title: title.to_string(),
            table: table.to_string(),
            api: api.to_string(),
            show: true,
            fields: fields.to_string(),
            describe: "".to_string(),
            def: "".to_string(),
            multiple: false,
            multiple_count: 1,
            example: JsonValue::Null,
        }
    }
    /// 多选数量
    pub fn multiple(&mut self, count: i32) -> &mut Dict {
        self.multiple = count > 1;
        self.multiple_count = count;
        self
    }
}

impl Field for Dict {
    fn sql(&mut self, model: &str) -> String {
        match model {
            "sqlite" => {
                format!("{} text  default ''", self.field)
            }
            _ => {
                let sql = format!("{} varchar({})   default ''", self.field, {
                    if self.multiple {
                        64 * self.multiple_count + self.multiple_count
                    } else {
                        64
                    }
                });
                format!("{} comment '{}|{}|{}|{}|{}'", sql.clone(), self.mode, self.title, self.require, self.multiple, self.multiple_count)
            }
        }
    }
    fn hide(&mut self) -> &mut Self {
        self.show = false;
        self
    }
    fn describe(&mut self, text: &str) -> &mut Self {
        self.describe = text.to_string();
        self
    }

    fn field(&mut self) -> JsonValue {
        let mut field = object! {};
        field.insert("require", JsonValue::from(self.require)).unwrap();
        field.insert("field", JsonValue::from(self.field.clone())).unwrap();
        field.insert("mode", JsonValue::from(self.mode.clone())).unwrap();
        field.insert("title", JsonValue::from(self.title.clone())).unwrap();
        field.insert("table", JsonValue::from(self.table.clone())).unwrap();
        field.insert("api", JsonValue::from(self.api.clone())).unwrap();
        field.insert("fields", JsonValue::from(self.fields.clone())).unwrap();
        field.insert("def", JsonValue::from(self.def.clone())).unwrap();
        field.insert("multiple", JsonValue::from(self.multiple)).unwrap();
        field.insert("multiple_count", JsonValue::from(self.multiple_count)).unwrap();

        field.insert("show", JsonValue::from(self.show)).unwrap();
        field.insert("describe", JsonValue::from(self.describe.clone())).unwrap();
        field.insert("example", self.example.clone()).unwrap();
        field
    }

    fn swagger(&mut self) -> JsonValue {
        object! {
            "type": self.mode.clone(),
            "example": self.example.clone(),
        }
    }

    fn example(mut self, data: JsonValue) -> Self {
        self.example = data.clone();
        self
    }
}