// File generated from our OpenAPI spec by Stainless.

package com.openai.models.responses

import com.fasterxml.jackson.annotation.JsonAnyGetter
import com.fasterxml.jackson.annotation.JsonAnySetter
import com.fasterxml.jackson.annotation.JsonCreator
import com.fasterxml.jackson.annotation.JsonProperty
import com.openai.core.ExcludeMissing
import com.openai.core.JsonField
import com.openai.core.JsonMissing
import com.openai.core.JsonValue
import com.openai.core.checkRequired
import com.openai.core.toImmutable
import com.openai.errors.OpenAIInvalidDataException
import java.util.Collections
import java.util.Objects
import java.util.Optional
import kotlin.jvm.optionals.getOrNull

/**
 * Defines a function in your own code the model can choose to call. Learn more about
 * [function calling](https://platform.openai.com/docs/guides/function-calling).
 */
class FunctionTool
private constructor(
    private val name: JsonField<String>,
    private val parameters: JsonField<Parameters>,
    private val strict: JsonField<Boolean>,
    private val type: JsonValue,
    private val description: JsonField<String>,
    private val additionalProperties: MutableMap<String, JsonValue>,
) {

    @JsonCreator
    private constructor(
        @JsonProperty("name") @ExcludeMissing name: JsonField<String> = JsonMissing.of(),
        @JsonProperty("parameters")
        @ExcludeMissing
        parameters: JsonField<Parameters> = JsonMissing.of(),
        @JsonProperty("strict") @ExcludeMissing strict: JsonField<Boolean> = JsonMissing.of(),
        @JsonProperty("type") @ExcludeMissing type: JsonValue = JsonMissing.of(),
        @JsonProperty("description")
        @ExcludeMissing
        description: JsonField<String> = JsonMissing.of(),
    ) : this(name, parameters, strict, type, description, mutableMapOf())

    /**
     * The name of the function to call.
     *
     * @throws OpenAIInvalidDataException if the JSON field has an unexpected type or is
     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
     */
    fun name(): String = name.getRequired("name")

    /**
     * A JSON schema object describing the parameters of the function.
     *
     * @throws OpenAIInvalidDataException if the JSON field has an unexpected type or is
     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
     */
    fun parameters(): Parameters = parameters.getRequired("parameters")

    /**
     * Whether to enforce strict parameter validation. Default `true`.
     *
     * @throws OpenAIInvalidDataException if the JSON field has an unexpected type or is
     *   unexpectedly missing or null (e.g. if the server responded with an unexpected value).
     */
    fun strict(): Boolean = strict.getRequired("strict")

    /**
     * The type of the function tool. Always `function`.
     *
     * Expected to always return the following:
     * ```java
     * JsonValue.from("function")
     * ```
     *
     * However, this method can be useful for debugging and logging (e.g. if the server responded
     * with an unexpected value).
     */
    @JsonProperty("type") @ExcludeMissing fun _type(): JsonValue = type

    /**
     * A description of the function. Used by the model to determine whether or not to call the
     * function.
     *
     * @throws OpenAIInvalidDataException if the JSON field has an unexpected type (e.g. if the
     *   server responded with an unexpected value).
     */
    fun description(): Optional<String> = description.getOptional("description")

    /**
     * Returns the raw JSON value of [name].
     *
     * Unlike [name], this method doesn't throw if the JSON field has an unexpected type.
     */
    @JsonProperty("name") @ExcludeMissing fun _name(): JsonField<String> = name

    /**
     * Returns the raw JSON value of [parameters].
     *
     * Unlike [parameters], this method doesn't throw if the JSON field has an unexpected type.
     */
    @JsonProperty("parameters")
    @ExcludeMissing
    fun _parameters(): JsonField<Parameters> = parameters

    /**
     * Returns the raw JSON value of [strict].
     *
     * Unlike [strict], this method doesn't throw if the JSON field has an unexpected type.
     */
    @JsonProperty("strict") @ExcludeMissing fun _strict(): JsonField<Boolean> = strict

    /**
     * Returns the raw JSON value of [description].
     *
     * Unlike [description], this method doesn't throw if the JSON field has an unexpected type.
     */
    @JsonProperty("description") @ExcludeMissing fun _description(): JsonField<String> = description

    @JsonAnySetter
    private fun putAdditionalProperty(key: String, value: JsonValue) {
        additionalProperties.put(key, value)
    }

    @JsonAnyGetter
    @ExcludeMissing
    fun _additionalProperties(): Map<String, JsonValue> =
        Collections.unmodifiableMap(additionalProperties)

    fun toBuilder() = Builder().from(this)

    companion object {

        /**
         * Returns a mutable builder for constructing an instance of [FunctionTool].
         *
         * The following fields are required:
         * ```java
         * .name()
         * .parameters()
         * .strict()
         * ```
         */
        @JvmStatic fun builder() = Builder()
    }

    /** A builder for [FunctionTool]. */
    class Builder internal constructor() {

        private var name: JsonField<String>? = null
        private var parameters: JsonField<Parameters>? = null
        private var strict: JsonField<Boolean>? = null
        private var type: JsonValue = JsonValue.from("function")
        private var description: JsonField<String> = JsonMissing.of()
        private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()

        @JvmSynthetic
        internal fun from(functionTool: FunctionTool) = apply {
            name = functionTool.name
            parameters = functionTool.parameters
            strict = functionTool.strict
            type = functionTool.type
            description = functionTool.description
            additionalProperties = functionTool.additionalProperties.toMutableMap()
        }

        /** The name of the function to call. */
        fun name(name: String) = name(JsonField.of(name))

        /**
         * Sets [Builder.name] to an arbitrary JSON value.
         *
         * You should usually call [Builder.name] with a well-typed [String] value instead. This
         * method is primarily for setting the field to an undocumented or not yet supported value.
         */
        fun name(name: JsonField<String>) = apply { this.name = name }

        /** A JSON schema object describing the parameters of the function. */
        fun parameters(parameters: Parameters) = parameters(JsonField.of(parameters))

        /**
         * Sets [Builder.parameters] to an arbitrary JSON value.
         *
         * You should usually call [Builder.parameters] with a well-typed [Parameters] value
         * instead. This method is primarily for setting the field to an undocumented or not yet
         * supported value.
         */
        fun parameters(parameters: JsonField<Parameters>) = apply { this.parameters = parameters }

        /** Whether to enforce strict parameter validation. Default `true`. */
        fun strict(strict: Boolean) = strict(JsonField.of(strict))

        /**
         * Sets [Builder.strict] to an arbitrary JSON value.
         *
         * You should usually call [Builder.strict] with a well-typed [Boolean] value instead. This
         * method is primarily for setting the field to an undocumented or not yet supported value.
         */
        fun strict(strict: JsonField<Boolean>) = apply { this.strict = strict }

        /**
         * Sets the field to an arbitrary JSON value.
         *
         * It is usually unnecessary to call this method because the field defaults to the
         * following:
         * ```java
         * JsonValue.from("function")
         * ```
         *
         * This method is primarily for setting the field to an undocumented or not yet supported
         * value.
         */
        fun type(type: JsonValue) = apply { this.type = type }

        /**
         * A description of the function. Used by the model to determine whether or not to call the
         * function.
         */
        fun description(description: String?) = description(JsonField.ofNullable(description))

        /** Alias for calling [Builder.description] with `description.orElse(null)`. */
        fun description(description: Optional<String>) = description(description.getOrNull())

        /**
         * Sets [Builder.description] to an arbitrary JSON value.
         *
         * You should usually call [Builder.description] with a well-typed [String] value instead.
         * This method is primarily for setting the field to an undocumented or not yet supported
         * value.
         */
        fun description(description: JsonField<String>) = apply { this.description = description }

        fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
            this.additionalProperties.clear()
            putAllAdditionalProperties(additionalProperties)
        }

        fun putAdditionalProperty(key: String, value: JsonValue) = apply {
            additionalProperties.put(key, value)
        }

        fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
            this.additionalProperties.putAll(additionalProperties)
        }

        fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }

        fun removeAllAdditionalProperties(keys: Set<String>) = apply {
            keys.forEach(::removeAdditionalProperty)
        }

        /**
         * Returns an immutable instance of [FunctionTool].
         *
         * Further updates to this [Builder] will not mutate the returned instance.
         *
         * The following fields are required:
         * ```java
         * .name()
         * .parameters()
         * .strict()
         * ```
         *
         * @throws IllegalStateException if any required field is unset.
         */
        fun build(): FunctionTool =
            FunctionTool(
                checkRequired("name", name),
                checkRequired("parameters", parameters),
                checkRequired("strict", strict),
                type,
                description,
                additionalProperties.toMutableMap(),
            )
    }

    private var validated: Boolean = false

    fun validate(): FunctionTool = apply {
        if (validated) {
            return@apply
        }

        name()
        parameters().validate()
        strict()
        _type().let {
            if (it != JsonValue.from("function")) {
                throw OpenAIInvalidDataException("'type' is invalid, received $it")
            }
        }
        description()
        validated = true
    }

    fun isValid(): Boolean =
        try {
            validate()
            true
        } catch (e: OpenAIInvalidDataException) {
            false
        }

    /**
     * Returns a score indicating how many valid values are contained in this object recursively.
     *
     * Used for best match union deserialization.
     */
    @JvmSynthetic
    internal fun validity(): Int =
        (if (name.asKnown().isPresent) 1 else 0) +
            (parameters.asKnown().getOrNull()?.validity() ?: 0) +
            (if (strict.asKnown().isPresent) 1 else 0) +
            type.let { if (it == JsonValue.from("function")) 1 else 0 } +
            (if (description.asKnown().isPresent) 1 else 0)

    /** A JSON schema object describing the parameters of the function. */
    class Parameters
    @JsonCreator
    private constructor(
        @com.fasterxml.jackson.annotation.JsonValue
        private val additionalProperties: Map<String, JsonValue>
    ) {

        @JsonAnyGetter
        @ExcludeMissing
        fun _additionalProperties(): Map<String, JsonValue> = additionalProperties

        fun toBuilder() = Builder().from(this)

        companion object {

            /** Returns a mutable builder for constructing an instance of [Parameters]. */
            @JvmStatic fun builder() = Builder()
        }

        /** A builder for [Parameters]. */
        class Builder internal constructor() {

            private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()

            @JvmSynthetic
            internal fun from(parameters: Parameters) = apply {
                additionalProperties = parameters.additionalProperties.toMutableMap()
            }

            fun additionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
                this.additionalProperties.clear()
                putAllAdditionalProperties(additionalProperties)
            }

            fun putAdditionalProperty(key: String, value: JsonValue) = apply {
                additionalProperties.put(key, value)
            }

            fun putAllAdditionalProperties(additionalProperties: Map<String, JsonValue>) = apply {
                this.additionalProperties.putAll(additionalProperties)
            }

            fun removeAdditionalProperty(key: String) = apply { additionalProperties.remove(key) }

            fun removeAllAdditionalProperties(keys: Set<String>) = apply {
                keys.forEach(::removeAdditionalProperty)
            }

            /**
             * Returns an immutable instance of [Parameters].
             *
             * Further updates to this [Builder] will not mutate the returned instance.
             */
            fun build(): Parameters = Parameters(additionalProperties.toImmutable())
        }

        private var validated: Boolean = false

        fun validate(): Parameters = apply {
            if (validated) {
                return@apply
            }

            validated = true
        }

        fun isValid(): Boolean =
            try {
                validate()
                true
            } catch (e: OpenAIInvalidDataException) {
                false
            }

        /**
         * Returns a score indicating how many valid values are contained in this object
         * recursively.
         *
         * Used for best match union deserialization.
         */
        @JvmSynthetic
        internal fun validity(): Int =
            additionalProperties.count { (_, value) -> !value.isNull() && !value.isMissing() }

        override fun equals(other: Any?): Boolean {
            if (this === other) {
                return true
            }

            return /* spotless:off */ other is Parameters && additionalProperties == other.additionalProperties /* spotless:on */
        }

        /* spotless:off */
        private val hashCode: Int by lazy { Objects.hash(additionalProperties) }
        /* spotless:on */

        override fun hashCode(): Int = hashCode

        override fun toString() = "Parameters{additionalProperties=$additionalProperties}"
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) {
            return true
        }

        return /* spotless:off */ other is FunctionTool && name == other.name && parameters == other.parameters && strict == other.strict && type == other.type && description == other.description && additionalProperties == other.additionalProperties /* spotless:on */
    }

    /* spotless:off */
    private val hashCode: Int by lazy { Objects.hash(name, parameters, strict, type, description, additionalProperties) }
    /* spotless:on */

    override fun hashCode(): Int = hashCode

    override fun toString() =
        "FunctionTool{name=$name, parameters=$parameters, strict=$strict, type=$type, description=$description, additionalProperties=$additionalProperties}"
}
