'use client';
import React, {Dispatch, SetStateAction, useContext, useEffect, useState} from 'react';
import {
    Attribute,
    CharacterAttribute,
    CharacterAttributeSection,
    CharacterElement,
    CharacterProps,
    isCharacterCategory,
    isCharacterStatus,
} from '@/lib/types/character';
import {
    advancedCharacterElements,
    basicCharacterElements,
    characterCategories,
    characterStatus
} from '@/lib/constants/character';
import {SeriesCharacterProps} from '@/lib/types/series';
import InputField from '@/components/form/InputField';
import TextInput from '@/components/form/TextInput';
import TextAreaInput from '@/components/form/TextAreaInput';
import NumberInput from '@/components/form/NumberInput';
import SelectBox from '@/components/form/SelectBox';
import CharacterSectionElement from '@/components/book/settings/characters/CharacterSectionElement';
import SyncFieldWrapper from '@/components/form/SyncFieldWrapper';
import {SlidersHorizontal} from 'lucide-react';
import {useTranslations} from '@/lib/i18n';
import {SessionContext, SessionContextProps} from '@/context/SessionContext';
import {AlertContext, AlertContextProps} from '@/context/AlertContext';
import {LangContext, LangContextProps} from '@/context/LangContext';
import {apiGet} from '@/lib/api/client';

type AttributeResponse = { type: string; values: Attribute[] }[];

interface CharacterEditorEditProps {
    character: CharacterProps;
    setCharacter: Dispatch<SetStateAction<CharacterProps | null>>;
    onCharacterChange: (key: keyof CharacterProps, value: string | number | null) => void;
    onAddAttribute: (section: CharacterAttributeSection, attr: Attribute) => Promise<void>;
    onRemoveAttribute: (section: CharacterAttributeSection, idx: number, id: string) => Promise<void>;
    seriesCharacter?: SeriesCharacterProps | null;
    onSyncComplete?: () => void;
}

/**
 * CharacterEditorEdit - Version sidebar édition
 * Mêmes fonctionnalités que CharacterSettingsEdit, layout linéaire
 */
export default function CharacterEditorEdit({
                                                character,
                                                setCharacter,
                                                onCharacterChange,
                                                onAddAttribute,
                                                onRemoveAttribute,
                                                seriesCharacter,
                                                onSyncComplete,
                                            }: CharacterEditorEditProps): React.JSX.Element {
    const t = useTranslations();
    const {lang}: LangContextProps = useContext<LangContextProps>(LangContext);
    const {session}: SessionContextProps = useContext<SessionContextProps>(SessionContext);
    const {errorMessage}: AlertContextProps = useContext<AlertContextProps>(AlertContext);
    const [showAdvanced, setShowAdvanced] = useState<boolean>(false);
    
    useEffect(function (): void {
        if (character?.id !== null) {
            getAttributes().then();
        }
    }, [character?.id]);
    
    async function getAttributes(): Promise<void> {
        try {
            const response: AttributeResponse = await apiGet<AttributeResponse>(
                'character/attribute',
                session.accessToken,
                lang,
                {characterId: character?.id}
            );
            if (response) {
                const attributes: CharacterAttribute = {};
                response.forEach(function (item: { type: string; values: Attribute[] }): void {
                    attributes[item.type] = item.values;
                });
                setCharacter(function (prev: CharacterProps | null): CharacterProps | null {
                    if (!prev) return null;
                    return {
                        ...prev,
                        physical: attributes.physical ?? [],
                        psychological: attributes.psychological ?? [],
                        relations: attributes.relations ?? [],
                        skills: attributes.skills ?? [],
                        weaknesses: attributes.weaknesses ?? [],
                        strengths: attributes.strengths ?? [],
                        goals: attributes.goals ?? [],
                        motivations: attributes.motivations ?? [],
                        arc: attributes.arc ?? [],
                        secrets: attributes.secrets ?? [],
                        fears: attributes.fears ?? [],
                        flaws: attributes.flaws ?? [],
                        beliefs: attributes.beliefs ?? [],
                        conflicts: attributes.conflicts ?? [],
                        quotes: attributes.quotes ?? [],
                        distinguishingMarks: attributes.distinguishingMarks ?? [],
                        items: attributes.items ?? [],
                        affiliations: attributes.affiliations ?? [],
                    };
                });
            }
        } catch (e: unknown) {
            if (e instanceof Error) {
                errorMessage(e.message);
            }
        }
    }
    
    return (
        <div className="space-y-4">
            {/* Informations de base */}
            <div className="border-b border-secondary pb-3">
                <h4 className="text-text-primary font-medium text-sm mb-3">{t('characterDetail.basicInfo')}</h4>
                <div className="space-y-3">
                    <InputField
                        fieldName={t('characterDetail.name')}
                        input={
                            <SyncFieldWrapper
                                seriesElementId={character.seriesCharacterId}
                                seriesValue={seriesCharacter?.name || ''}
                                currentValue={character.name || ''}
                                bookElementId={character.id || ''}
                                field="name"
                                elementType="character"
                                onDownload={function (): void {
                                    onCharacterChange('name', seriesCharacter?.name || '');
                                }}
                                onSyncComplete={onSyncComplete}
                            >
                                <TextInput
                                    value={character.name || ''}
                                    setValue={function (e: React.ChangeEvent<HTMLInputElement>): void {
                                        onCharacterChange('name', e.target.value);
                                    }}
                                    placeholder={t('characterDetail.namePlaceholder')}
                                />
                            </SyncFieldWrapper>
                        }
                    />
                    
                    <InputField
                        fieldName={t('characterDetail.lastName')}
                        input={
                            <SyncFieldWrapper
                                seriesElementId={character.seriesCharacterId}
                                seriesValue={seriesCharacter?.lastName || ''}
                                currentValue={character.lastName || ''}
                                bookElementId={character.id || ''}
                                field="lastName"
                                elementType="character"
                                onDownload={function (): void {
                                    onCharacterChange('lastName', seriesCharacter?.lastName || '');
                                }}
                                onSyncComplete={onSyncComplete}
                            >
                                <TextInput
                                    value={character.lastName || ''}
                                    setValue={function (e: React.ChangeEvent<HTMLInputElement>): void {
                                        onCharacterChange('lastName', e.target.value);
                                    }}
                                    placeholder={t('characterDetail.lastNamePlaceholder')}
                                />
                            </SyncFieldWrapper>
                        }
                    />
                    
                    <InputField
                        fieldName={t('characterDetail.role')}
                        input={
                            <SelectBox
                                defaultValue={character.category || 'none'}
                                onChangeCallBack={function (e: React.ChangeEvent<HTMLSelectElement>): void {
                                    const selectedCategory: string = e.target.value;
                                    setCharacter(function (prev: CharacterProps | null): CharacterProps | null {
                                        return prev ? {
                                            ...prev,
                                            category: isCharacterCategory(selectedCategory) ? selectedCategory : 'none'
                                        } : prev;
                                    });
                                }}
                                data={characterCategories}
                                translate
                            />
                        }
                    />
                    
                    <InputField
                        fieldName={t('characterDetail.gender')}
                        input={
                            <TextInput
                                value={character.gender || ''}
                                setValue={function (e: React.ChangeEvent<HTMLInputElement>): void {
                                    onCharacterChange('gender', e.target.value);
                                }}
                                placeholder={t('characterDetail.genderPlaceholder')}
                            />
                        }
                    />
                    
                    <InputField
                        fieldName={t('characterDetail.age')}
                        input={
                            <NumberInput
                                value={character.age ?? null}
                                onValueChange={function (val: number | null): void {
                                    setCharacter(function (prev: CharacterProps | null): CharacterProps | null {
                                        return prev ? {...prev, age: val} : prev;
                                    });
                                }}
                                placeholder={t('characterDetail.agePlaceholder')}
                            />
                        }
                    />
                </div>
            </div>
            
            {/* Histoire */}
            <div className="border-b border-secondary pb-3">
                <h4 className="text-text-primary font-medium text-sm mb-3">{t('characterDetail.historySection')}</h4>
                <div className="space-y-3">
                    <InputField
                        fieldName={t('characterDetail.biography')}
                        input={
                            <SyncFieldWrapper
                                seriesElementId={character.seriesCharacterId}
                                seriesValue={seriesCharacter?.biography || ''}
                                currentValue={character.biography || ''}
                                bookElementId={character.id || ''}
                                field="biography"
                                elementType="character"
                                onDownload={function (): void {
                                    onCharacterChange('biography', seriesCharacter?.biography || '');
                                }}
                                onSyncComplete={onSyncComplete}
                            >
                                <TextAreaInput
                                    value={character.biography || ''}
                                    setValue={function (e: React.ChangeEvent<HTMLTextAreaElement>): void {
                                        onCharacterChange('biography', e.target.value);
                                    }}
                                    placeholder={t('characterDetail.biographyPlaceholder')}
                                />
                            </SyncFieldWrapper>
                        }
                    />
                    
                    <InputField
                        fieldName={t('characterDetail.roleFull')}
                        input={
                            <SyncFieldWrapper
                                seriesElementId={character.seriesCharacterId}
                                seriesValue={seriesCharacter?.role || ''}
                                currentValue={character.role || ''}
                                bookElementId={character.id || ''}
                                field="role"
                                elementType="character"
                                onDownload={function (): void {
                                    onCharacterChange('role', seriesCharacter?.role || '');
                                }}
                                onSyncComplete={onSyncComplete}
                            >
                                <TextAreaInput
                                    value={character.role || ''}
                                    setValue={function (e: React.ChangeEvent<HTMLTextAreaElement>): void {
                                        onCharacterChange('role', e.target.value);
                                    }}
                                    placeholder={t('characterDetail.roleFullPlaceholder')}
                                />
                            </SyncFieldWrapper>
                        }
                    />
                </div>
            </div>
            
            {/* Attributs de base */}
            {basicCharacterElements.map(function (item: CharacterElement, index: number): React.JSX.Element {
                return (
                    <CharacterSectionElement
                        key={`basic-${index}`}
                        title={item.title}
                        section={item.section}
                        placeholder={item.placeholder}
                        icon={item.icon}
                        selectedCharacter={character}
                        setSelectedCharacter={setCharacter}
                        handleAddElement={onAddAttribute}
                        handleRemoveElement={onRemoveAttribute}
                    />
                );
            })}
            
            {/* Toggle Mode Avancé */}
            <div
                className="flex items-center justify-between p-3 bg-secondary rounded-lg border border-secondary">
                <div className="flex items-center gap-2">
                    <SlidersHorizontal className="text-primary w-4 h-4" strokeWidth={1.75}/>
                    <span className="text-text-primary font-medium text-sm">{t('characterDetail.advancedMode')}</span>
                </div>
                <button
                    onClick={function (): void {
                        setShowAdvanced(!showAdvanced);
                    }}
                    className={`px-3 py-1.5 rounded-lg text-sm transition-colors duration-150 ${
                        showAdvanced
                            ? 'bg-secondary text-primary'
                            : 'bg-secondary text-text-secondary hover:text-text-primary'
                    }`}
                >
                    {showAdvanced ? t('characterDetail.hideAdvanced') : t('characterDetail.showAdvanced')}
                </button>
            </div>
            
            {/* Sections avancées */}
            {showAdvanced && (
                <>
                    <div className="border-b border-secondary pb-3">
                        <h4 className="text-text-primary font-medium text-sm mb-3">{t('characterDetail.identitySection')}</h4>
                        <div className="space-y-3">
                            <InputField
                                fieldName={t('characterDetail.species')}
                                input={
                                    <TextInput
                                        value={character.species || ''}
                                        setValue={function (e: React.ChangeEvent<HTMLInputElement>): void {
                                            onCharacterChange('species', e.target.value);
                                        }}
                                        placeholder={t('characterDetail.speciesPlaceholder')}
                                    />
                                }
                            />
                            
                            <InputField
                                fieldName={t('characterDetail.status')}
                                input={
                                    <SelectBox
                                        defaultValue={character.status || 'alive'}
                                        onChangeCallBack={function (e: React.ChangeEvent<HTMLSelectElement>): void {
                                            const selectedStatus: string = e.target.value;
                                            setCharacter(function (prev: CharacterProps | null): CharacterProps | null {
                                                return prev ? {
                                                    ...prev,
                                                    status: isCharacterStatus(selectedStatus) ? selectedStatus : 'alive'
                                                } : prev;
                                            });
                                        }}
                                        data={characterStatus}
                                        translate
                                    />
                                }
                            />
                        </div>
                    </div>
                    
                    <div className="border-b border-secondary pb-3">
                        <h4 className="text-text-primary font-medium text-sm mb-3">{t('characterDetail.authorSection')}</h4>
                        <InputField
                            fieldName={t('characterDetail.notes')}
                            input={
                                <TextAreaInput
                                    value={character.notes || ''}
                                    setValue={function (e: React.ChangeEvent<HTMLTextAreaElement>): void {
                                        onCharacterChange('notes', e.target.value);
                                    }}
                                    placeholder={t('characterDetail.notesPlaceholder')}
                                />
                            }
                        />
                    </div>
                    
                    {advancedCharacterElements.map(function (item: CharacterElement, index: number): React.JSX.Element {
                        return (
                            <CharacterSectionElement
                                key={`advanced-${index}`}
                                title={item.title}
                                section={item.section}
                                placeholder={item.placeholder}
                                icon={item.icon}
                                selectedCharacter={character}
                                setSelectedCharacter={setCharacter}
                                handleAddElement={onAddAttribute}
                                handleRemoveElement={onRemoveAttribute}
                            />
                        );
                    })}
                </>
            )}
        </div>
    );
}