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

/// 长文本
///
/// * require 是否必填
/// * field 字段名
/// * mode 模式 string
/// * title 字段描述
/// * length 附件数量
/// * def 默认值
/// * dec 后缀
pub struct Text {
    pub require: bool,
    pub field: String,
    pub mode: String,
    pub title: String,
    pub def: String,
    pub length: i32,
    pub dec: String,
}

impl Text {
    pub fn new(require: bool, field: &str, title: &str, default: &str) -> Self {
        Self {
            require,
            field: field.to_string(),
            mode: "text".to_string(),
            title: title.to_string(),
            def: default.to_string(),
            length: 0,
            dec: "".to_string(),
        }
    }
}

impl Field for Text {
    fn sql(&mut self, model: &str) -> String {
        let sql = format!("{} text", self.field);
        match model {
            "sqlite" => sql,
            _ => format!("{} comment '{}|{}|{}|{}|{}|{}'", sql.clone(), self.mode, self.require, self.title, self.length, self.def, self.dec)
        }
    }
    fn field(&mut self) -> JsonValue {
        let mut field = object! {};
        field.insert("require", JsonValue::from(self.require.clone())).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("length", JsonValue::from(self.length.clone())).unwrap();
        field.insert("def", JsonValue::from(self.def.clone())).unwrap();
        field.insert("dec", JsonValue::from(self.dec.clone())).unwrap();
        field
    }
}


/// 附件
///
/// * require 是否必填
/// * field 字段名
/// * mode 模式 file
/// * title 字段描述
/// * length 附件数量
/// * def 默认值
pub struct File {
    pub require: bool,
    pub field: String,
    pub mode: String,
    pub title: String,
    pub length: i32,
}

impl File {
    pub fn new(require: bool, field: &str, title: &str, length: i32) -> Self {
        let len = {
            if length <= 0 {
                1
            } else {
                length
            }
        };
        Self {
            require,
            field: field.to_string(),
            mode: "file".to_string(),
            title: title.to_string(),
            length: len,
        }
    }
}

impl Field for File {
    fn sql(&mut self, model: &str) -> String {
        let sql = format!("{} text", self.field);
        match model {
            "sqlite" => sql,
            _ => format!("{} comment '{}|{}|{}|{}'", sql.clone(), self.title, self.mode, self.require, self.length)
        }
    }
    fn field(&mut self) -> JsonValue {
        let mut field = object! {};
        field.insert("require", JsonValue::from(self.require.clone())).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("length", JsonValue::from(self.length.clone())).unwrap();
        field
    }
}


/// 关联表
///
/// * 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 Table {
    pub require: bool,
    pub field: String,
    pub mode: String,
    pub title: String,
    pub table: String,
    pub fields: Vec<String>,
    pub api: String,
}

impl Table {
    pub fn new(require: bool, field: &str, title: &str, table: &str, fields: Vec<String>, api: &str) -> Self {
        Self {
            require,
            field: field.to_string(),
            mode: "table".to_string(),
            title: title.to_string(),
            table: table.to_string(),
            api: api.to_string(),
            fields,
        }
    }
}

impl Field for Table {
    fn sql(&mut self, model: &str) -> String {
        let sql = format!("{} text", self.field);
        match model {
            "sqlite" => sql,
            _ => format!("{} comment '{}|{}|{}|{}|{}|{}'", sql.clone(), self.title, self.mode, self.require, self.table, self.fields.join("|"), self.api)
        }
    }
    fn field(&mut self) -> JsonValue {
        let mut field = object! {};
        field.insert("require", JsonValue::from(self.require.clone())).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
    }
}


/// JSON
///
/// * field 字段名
/// * mode 模式 json
/// * title 字段描述
/// * default 默认值
pub struct Json {
    pub require: bool,
    pub field: String,
    pub mode: String,
    pub title: String,
    pub def: JsonValue,
    pub length: i32,
}

impl Json {
    pub fn new(require: bool, field: &str, title: &str, def: JsonValue) -> Self {
        Self {
            require,
            field: field.to_string(),
            mode: "json".to_string(),
            title: title.to_string(),
            def,
            length: 0,
        }
    }
}

impl Field for Json {
    fn sql(&mut self, model: &str) -> String {
        let sql = format!("{} text", self.field);
        match model {
            "sqlite" => sql,
            _ => format!("{} comment '{}|{}|{}|{}'", sql.clone(), self.title, self.mode, self.require, self.def.to_string())
        }
    }
    fn field(&mut self) -> JsonValue {
        let mut field = object! {};
        field.insert("require", JsonValue::from(self.require.clone())).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.def.clone())).unwrap();
        field
    }
}