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use std::collections::HashMap;
use envl_utils::{
error::{EnvlError, ErrorContext},
variable::{Type, Value as VariableHmValue},
};
use envl_variables::misc::variable::VariableValue;
use crate::misc::vars::Value;
pub(crate) fn gen_variable_data(
var_name: &String,
var: Value,
v_type: Type,
) -> Result<VariableHmValue, EnvlError> {
let position = var.clone().position;
match v_type {
Type::Option(t) => gen_variable_data(var_name, var, *t),
_ => match &var.value {
VariableValue::Array(v) => match v_type {
Type::Array(boxed_e_type) => {
let e_type = *boxed_e_type;
let mut arr = Vec::new();
for value in v {
match gen_variable_data(
var_name,
Value {
value: value.clone(),
position: position.clone(),
},
e_type.clone(),
) {
Ok(e) => {
arr.push(e);
}
Err(err) => {
return Err(err);
}
}
}
Ok(VariableHmValue::Array(arr))
}
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
VariableValue::Bool(v) => match v_type {
Type::Bool => Ok(VariableHmValue::Bool(*v)),
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
VariableValue::Char(v) => match v_type {
Type::Char => Ok(VariableHmValue::Char(*v)),
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
VariableValue::Number(v) => match v_type {
Type::Float => {
if let Ok(num) = v.parse::<f64>() {
Ok(VariableHmValue::Float(num))
} else {
Err(EnvlError {
message: ErrorContext::InvalidType,
position,
})
}
}
Type::Int => {
if let Ok(num) = v.parse::<i64>() {
Ok(VariableHmValue::Int(num))
} else {
Err(EnvlError {
message: ErrorContext::InvalidType,
position,
})
}
}
Type::Uint => {
if let Ok(num) = v.parse::<u64>() {
Ok(VariableHmValue::Uint(num))
} else {
Err(EnvlError {
message: ErrorContext::InvalidType,
position,
})
}
}
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
VariableValue::String(v) => match v_type {
Type::String => Ok(VariableHmValue::String(v.clone())),
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
VariableValue::Struct(v) => match v_type {
Type::Struct(types) => {
let mut no_used_vars = Vec::new();
let mut hm = HashMap::new();
for (n, t) in &types {
if let Some(value) = v.get(n) {
match gen_variable_data(
var_name,
Value {
value: value.clone(),
position: position.clone(),
},
t.clone(),
) {
Ok(data) => {
hm.insert(n.clone(), data);
}
Err(err) => {
return Err(err);
}
}
} else {
return Err(EnvlError {
message: ErrorContext::Required(format!(
"{} in struct {}",
n, var_name
)),
position,
});
}
}
for name in v.keys() {
if !types.contains_key(name) {
no_used_vars.push(name.to_owned());
}
}
if !no_used_vars.is_empty() {
return Err(EnvlError {
message: ErrorContext::UnnecessaryVariable(no_used_vars.join(" and ")),
position,
});
}
Ok(VariableHmValue::Struct(hm))
}
_ => Err(EnvlError {
message: ErrorContext::InvalidType,
position,
}),
},
},
}
}