import { SpecialVisualization, SpecialVisualizationState, SpecialVisualizationSvelte } from "../SpecialVisualization"
import SvelteUIElement from "../Base/SvelteUIElement"
import { ImmutableStore, Store, UIEventSource } from "../../Logic/UIEventSource"
import { Feature, GeoJSON } from "geojson"
import LayerConfig from "../../Models/ThemeConfig/LayerConfig"
import Questionbox from "../Popup/TagRendering/Questionbox.svelte"
import MinimapViz from "../Popup/MinimapViz.svelte"
import SplitRoadWizard from "../Popup/SplitRoadWizard.svelte"
import MoveWizard from "../Popup/MoveWizard.svelte"
import DeleteWizard from "../Popup/DeleteFlow/DeleteWizard.svelte"
import QrCode from "../Popup/QrCode.svelte"
import NothingKnown from "../Popup/NothingKnown.svelte"
import { ShareLinkViz } from "../Popup/ShareLinkViz"
import { GeoOperations } from "../../Logic/GeoOperations"
import AddNewPoint from "../Popup/AddNewPoint/AddNewPoint.svelte"
import BaseUIElement from "../BaseUIElement"
import { VariableUiElement } from "../Base/VariableUIElement"
import { Translation } from "../i18n/Translation"
import { FixedUiElement } from "../Base/FixedUiElement"
import { default as FeatureTitle } from "../Popup/Title.svelte"
import CreateCopy from "../Popup/AddNewPoint/CreateCopy.svelte"

/**
 * Thin wrapper around QuestionBox.svelte to include it into the special Visualisations
 */
class QuestionViz extends SpecialVisualizationSvelte {
    funcName = "questions"
    needsUrls = []
    docs =
        "The special element which shows the questions which are unknown. Added by default if not yet there"
    args = [
        {
            name: "labels",
            doc: "One or more ';'-separated labels. If these are given, only questions with these labels will be given. Use `unlabeled` for all questions that don't have an explicit label. If none given, all questions will be shown",
        },
        {
            name: "blacklisted-labels",
            doc: "One or more ';'-separated labels of questions which should _not_ be included. Note that the questionbox which is added by default will blacklist 'hidden'. If both a whitelist and a blacklist are given, will show questions having at least one label from the whitelist but none of the blacklist.",
        },
        {
            name: "show_all",
            default: "user-preference",
            doc: "Either `no`, `yes` or `user-preference`. Indicates if all questions should be shown at once",
        },
    ]
    group = "default"

    constr(
        state: SpecialVisualizationState,
        tags: UIEventSource<Record<string, string>>,
        args: string[],
        feature: Feature,
        layer: LayerConfig
    ): SvelteUIElement {
        const labels = args[0]
            ?.split(";")
            ?.map((s) => s.trim())
            ?.filter((s) => s !== "")
        const blacklist = args[1]
            ?.split(";")
            ?.map((s) => s.trim())
            ?.filter((s) => s !== "")
        const showAll = args[2]
        let showAllQuestionsAtOnce: Store<boolean> = state.userRelatedState?.showAllQuestionsAtOnce
        if (showAll === "yes") {
            showAllQuestionsAtOnce = new ImmutableStore(true)
        } else if (showAll === "no") {
            showAllQuestionsAtOnce = new ImmutableStore(false)
        }
        return new SvelteUIElement(Questionbox, {
            layer,
            tags,
            selectedElement: feature,
            state,
            onlyForLabels: labels,
            notForLabels: blacklist,
            showAllQuestionsAtOnce,
        })
    }
}

class Minimap extends SpecialVisualizationSvelte {
    funcName = "minimap"
    docs = "A small map showing the selected feature."
    needsUrls = []
    group = "default"

    args = [
        {
            doc: "The (maximum) zoomlevel: the target zoomlevel after fitting the entire feature. The minimap will fit the entire feature, then zoom out to this zoom level. The higher, the more zoomed in with 1 being the entire world and 19 being really close",
            name: "zoomlevel",
            defaultValue: "18",
        },
        {
            doc: "(Matches all resting arguments) This argument should be the key of a property of the feature. The corresponding value is interpreted as either the id or the a list of ID's. The features with these ID's will be shown on this minimap. (Note: if the key is 'id', list interpration is disabled)",
            name: "idKey",
            defaultValue: "id",
        },
    ]
    example = "`{minimap()}`, `{minimap(17, id, _list_of_embedded_feature_ids_calculated_by_calculated_tag):height:10rem; border: 2px solid black}`"

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        args: string[],
        feature: Feature,
    ): SvelteUIElement {
        return new SvelteUIElement(MinimapViz, { state, args, feature, tagSource })
    }
}

class SplitButton extends SpecialVisualizationSvelte {
    funcName = "split_button"
    docs = "Adds a button which allows to split a way"
    args = []
    group = "default"

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
    ): SvelteUIElement {
        return new SvelteUIElement(SplitRoadWizard, {
            id: tagSource.map((pr) => pr.id),
            state,
        })
    }

}

class MoveButton extends SpecialVisualizationSvelte {
    funcName = "move_button"
    docs = "Adds a button which allows to move the object to another location. The config will be read from the layer config"
    args = []
    group = "default"

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        argument: string[],
        feature: Feature,
        layer: LayerConfig,
    ): SvelteUIElement {
        if (feature.geometry.type !== "Point") {
            return undefined
        }

        return new SvelteUIElement(MoveWizard, {
            state,
            featureToMove: feature,
            layer,
        })
    }
}

class DeleteButton extends SpecialVisualizationSvelte {
    funcName = "delete_button"
    docs = "Adds a button which allows to delete the object at this location. The config will be read from the layer config"
    args = []
    group = "default"

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        argument: string[],
        feature: Feature,
        layer: LayerConfig,
    ): SvelteUIElement {
        if (!layer.deletion) {
            return undefined
        }
        return new SvelteUIElement(DeleteWizard, {
            tags: tagSource,
            deleteConfig: layer.deletion,
            state,
            feature,
            layer,
        })
    }
}

class QrCodeVis extends SpecialVisualizationSvelte {
    funcName = "qr_code"
    args = [
        {
            name: "text",
            doc: "Extra text on the side of the QR-code",
        },
        {
            name: "textClass",
            doc: "CSS class of the the side text",
        },
    ]
    group = "default"
    docs = "Generates a QR-code to share the selected object"

    constr(
        state: SpecialVisualizationState,
        tags: UIEventSource<Record<string, string>>,
        argument: string[],
        feature: Feature,
    ): SvelteUIElement {
        const sideText = argument[0]
        const sideTextClass = argument[1] ?? ""
        return new SvelteUIElement(QrCode, {
            state,
            tags,
            feature,
            sideText,
            sideTextClass,
        })
    }
}

class IfNothingKnown extends SpecialVisualizationSvelte {
    funcName = "if_nothing_known"
    args = [
        {
            name: "text",
            doc: "Text to show",
            required: true,
        },
        { name: "cssClasses", doc: "Classes to apply onto the text" },
    ]
    group = "default"
    docs = "Shows a 'nothing is currently known-message if there is at least one unanswered question and no known (answerable) question"

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        argument: string[],
        feature: Feature,
        layer: LayerConfig,
    ): SvelteUIElement {
        const text = argument[0]
        const cssClasses = argument[1]
        return new SvelteUIElement(NothingKnown, {
            state,
            tags: tagSource,
            layer,
            text,
            cssClasses,
        })
    }
}

class AddNewPointVis extends SpecialVisualizationSvelte {
    funcName = "add_new_point"
    docs = "An element which allows to add a new point on the 'last_click'-location. Only makes sense in the layer `last_click`"
    args = []
    group = "default"

    constr(state: SpecialVisualizationState, _, __, feature: GeoJSON): SvelteUIElement {
        const [lon, lat] = GeoOperations.centerpointCoordinates(feature)
        return new SvelteUIElement(AddNewPoint, {
            state,
            coordinate: { lon, lat },
        })
    }
}

class Translated extends SpecialVisualization {
    funcName = "translated"
    docs = "If the given key can be interpreted as a JSON, only show the key containing the current language (or 'en'). This specialRendering is meant to be used by MapComplete studio and is not useful in map themes"
    group = "UI"
    args = [
        {
            name: "key",
            type: "key",
            doc: "The attribute to interpret as json",
            defaultValue: "value",
        },
    ]

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        argument: string[],
    ): BaseUIElement {
        return new VariableUiElement(
            tagSource.map((tags) => {
                const v = tags[argument[0] ?? "value"]
                try {
                    const tr = typeof v === "string" ? JSON.parse(v) : v
                    return new Translation(tr).SetClass("font-bold")
                } catch (e) {
                    console.error("Cannot create a translation for", v, "due to", e)
                    return JSON.stringify(v)
                }
            }),
        )
    }
}

class TitleVis extends SpecialVisualizationSvelte {
    group = "UI"
    funcName = "title"
    args = []

    docs = "Shows the title of the popup. Useful for some cases, e.g. 'What is phone number of {title()}?'"
    example =
        "`What is the phone number of {title()}`, which might automatically become `What is the phone number of XYZ`."

    constr(
        state: SpecialVisualizationState,
        tags: UIEventSource<Record<string, string>>,
        _: string[],
        feature: Feature,
        layer: LayerConfig,
    ) {
        return new SvelteUIElement(FeatureTitle, { state, tags, feature, layer })
    }
}

class BracedVis extends SpecialVisualization {
    group = "UI"
    funcName = "braced"
    docs = "Show a literal text within braces"

    args = [
        {
            name: "text",
            required: true,
            doc: "The value to show",
        },
    ]

    constr(
        state: SpecialVisualizationState,
        tagSource: UIEventSource<Record<string, string>>,
        args: string[],
        feature: Feature,
        layer: LayerConfig,
    ): BaseUIElement {
        return new FixedUiElement("{" + args[0] + "}")
    }

}


class CreateCopyVis extends SpecialVisualizationSvelte {
    group= "UI"
    funcName="create_copy"
    docs = "Allow to create a copy of the current element"
    args = []
    constr(state: SpecialVisualizationState, tags: UIEventSource<Record<string, string>>, argument: string[], feature: Feature, layer: LayerConfig): SvelteUIElement {

        try{
            console.log(">>> create_copy invoked")
        return new SvelteUIElement(CreateCopy, {state, tags, argument, feature, layer} )
        }catch (e) {
            console.error(">>> failed",e)
        }
    }
}

export class UISpecialVisualisations {
    public static initList(): SpecialVisualization[] {
        return [
            new QuestionViz(),
            new Minimap(),
            new SplitButton(),
            new MoveButton(),
            new DeleteButton(),
            new QrCodeVis(),
            new IfNothingKnown(),
            new ShareLinkViz(),
            new AddNewPointVis(),
            new CreateCopyVis(),
            new Translated(),
            new BracedVis(),
            new TitleVis(),
        ]
    }
}