package utils

import matchers.content.*
import org.jetbrains.dokka.model.*
import org.jetbrains.dokka.pages.ContentGroup
import kotlin.text.Typography.nbsp

//TODO: Try to unify those functions after update to 1.4
fun ContentMatcherBuilder<*>.functionSignature(
    annotations: Map<String, Set<String>>,
    visibility: String,
    modifier: String,
    keywords: Set<String>,
    name: String,
    returnType: String? = null,
    vararg params: Pair<String, ParamAttributes>
) =
    platformHinted {
        bareSignature(annotations, visibility, modifier, keywords, name, returnType, *params)
    }

fun ContentMatcherBuilder<*>.bareSignature(
    annotations: Map<String, Set<String>>,
    visibility: String,
    modifier: String,
    keywords: Set<String>,
    name: String,
    returnType: String? = null,
    vararg params: Pair<String, ParamAttributes>
) = group { // TODO: remove it when double wrapping for signatures will be resolved
    group {
        annotations.entries.forEach {
            group {
                unwrapAnnotation(it)
            }
        }
        +("$visibility $modifier ${keywords.joinToString("") { "$it " }} fun")
        link { +name }
        +"("
        params.forEachIndexed { id, (n, t) ->

            t.annotations.forEach {
                unwrapAnnotation(it)
            }
            t.keywords.forEach {
                +it
            }

            +"$n:"
            group { link { +(t.type) } }
            if (id != params.lastIndex)
                +", "
        }
        +")"
        if (returnType != null) {
            +(": ")
            group {
                link {
                    +(returnType)
                }
            }
        }
    }
}

fun ContentMatcherBuilder<*>.functionSignatureWithReceiver(
    annotations: Map<String, Set<String>>,
    visibility: String?,
    modifier: String?,
    keywords: Set<String>,
    receiver: String,
    name: String,
    returnType: String? = null,
    vararg params: Pair<String, ParamAttributes>
) =
    platformHinted {
        bareSignatureWithReceiver(annotations, visibility, modifier, keywords, receiver, name, returnType, *params)
    }

fun ContentMatcherBuilder<*>.bareSignatureWithReceiver(
    annotations: Map<String, Set<String>>,
    visibility: String?,
    modifier: String?,
    keywords: Set<String>,
    receiver: String,
    name: String,
    returnType: String? = null,
    vararg params: Pair<String, ParamAttributes>
) = group { // TODO: remove it when double wrapping for signatures will be resolved
    group {
        annotations.entries.forEach {
            group {
                unwrapAnnotation(it)
            }
        }
        +("$visibility $modifier ${keywords.joinToString("") { "$it " }} fun")
        group {
            link { +receiver }
        }
        +"."
        link { +name }
        +"("
        params.forEachIndexed { id, (n, t) ->

            t.annotations.forEach {
                unwrapAnnotation(it)
            }
            t.keywords.forEach {
                +it
            }

            +"$n:"
            group { link { +(t.type) } }
            if (id != params.lastIndex)
                +", "
        }
        +")"
        if (returnType != null) {
            +(": ")
            group {
                link {
                    +(returnType)
                }
            }
        }
    }
}

fun ContentMatcherBuilder<*>.propertySignature(
    annotations: Map<String, Set<String>>,
    visibility: String,
    modifier: String,
    keywords: Set<String>,
    preposition: String,
    name: String,
    type: String? = null
) {
    group {
        header { +"Package test" }
        skipAllNotMatching()
    }
    group {
        group {
            skipAllNotMatching()
            header { +"Properties" }
            table {
                group {
                    link { +name }
                    platformHinted {
                        group {
                            group {
                                annotations.entries.forEach {
                                    group {
                                        unwrapAnnotation(it)
                                    }
                                }
                                +("$visibility $modifier ${keywords.joinToString("") { "$it " }} $preposition")
                                link { +name }
                                if (type != null) {
                                    +(": ")
                                    group {
                                        link {
                                            +(type)
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

fun ContentMatcherBuilder<*>.pWrapped(text: String) =
    group {// TODO: remove it when double wrapping for descriptions will be resolved
        group { +text }
    }

fun ContentMatcherBuilder<*>.unnamedTag(tag: String, content: ContentMatcherBuilder<ContentGroup>.() -> Unit) =
    group {
        header(4) { +tag }
        group { content() }
    }

private fun ContentMatcherBuilder<*>.unwrapAnnotation(elem: Map.Entry<String, Set<String>>) {
    +"@"
    link { +elem.key }
    +"("
    elem.value.forEach {
        +("$it = ")
        skipAllNotMatching()
    }
    +")"
}

data class ParamAttributes(
    val annotations: Map<String, Set<String>>,
    val keywords: Set<String>,
    val type: String
)