{% macro decodeComplexField(field, decodingType) %}
    {%- import _self as self -%}
    {%- if field.optional or field.nullable -%}
        if let {{ field.name }} = try container.decodeIfPresent({{- decodingType -}}.self, forKey: .{{- field.name -}}) {
            {{ self.initExpr(field) }}
        } else {
            self.{{ field.name }} = nil
        }
    {%- else -%}
        let {{ field.name }} = try container.decode({{- decodingType -}}.self, forKey: .{{- field.name -}})
        {{ self.initExpr(field) }}
    {%- endif -%}
{% endmacro %}

{% macro initExpr(field) %}
    {%- import _self as self -%}
    {%- set baseTypeName = field.type.type.baseTypeName -%}
    {%- if baseTypeName == "Date" or baseTypeName == "DateTime" -%}
        {{ self.commonDateInit(field) -}}
    {%- elseif baseTypeName == "Color" -%}
        {%- set colorInit = "UIColor(hexString: %s)"|format(field.name) -%}
        {{ self.decodeThrowableField(field, colorInit, 'Unable to decode color from hex string') -}}
    {%- elseif baseTypeName == "Url" -%}
        {%- set urlInit = "URL(string: %s)"|format(field.name) -%}
        {{ self.decodeThrowableField(field, urlInit, 'Unable to decode URL from string') -}}
    {%- elseif baseTypeName == "StringDecimal" -%}
        {%- set stringDecimalInit = "ApiNumberFormattingService.decimalNumber(from: %s, format: .decimal)"|format(field.name) -%}
        {{- self.decodeThrowableField(field, stringDecimalInit, 'Unable to decode decimal from string') -}}
    {%- elseif baseTypeName == "DateTimeTimestamp" -%}
        self.{{ field.name }} = DateInRegion(seconds: TimeInterval({{ field.name }}))
    {%- elseif baseTypeName == "Decimal" -%}
        self.{{ field.name }} = NSDecimalNumber(decimal: {{ field.name }})
    {%- endif -%}
{% endmacro %}

{%- macro decodeThrowableField(field, init, errorMessage) -%}
    if let value = {{ init }} {
            self.{{ field.name }} = value
        } else {
            throw LeadKitError.failedToDecode(reason: "{{ errorMessage }}")
        }
{%- endmacro -%}

{%- macro commonDateInit(field) -%}
    {%- import _self as self -%}
    {%- if field.type.dateFormats is not empty -%}
        {%- set formattedDateFormats = [] -%}
        {%- for dateFormat in field.type.dateFormats -%}
            {%- set formattedDateFormats = formattedDateFormats|merge([".%s"|format(dateFormatToName(dateFormat))]) -%}
        {%- endfor -%}
        {%- set dateFormatsString = formattedDateFormats|join(', ') -%}
        {%- set dateInit = "ApiDateFormattingService.date(from: %s, formats: [%s], parsedIn: nil)"|format(field.name, dateFormatsString) -%}
        {{- self.decodeThrowableField(field, dateInit, "Unable to decode date from string") -}}
    {%- else -%}
        {%- set dateInit = "ApiDateFormattingService.date(from: %s, format: .%s, parsedIn: nil)"|format(field.name, dateFormatToName(field.type.dateFormat)) -%}
        {{- self.decodeThrowableField(field, dateInit, "Unable to decode date from string") -}}
    {%- endif -%}
{%- endmacro -%}