var windv = document.getElementById('windc').getContext('2d');
var windkmh = document.getElementById('windkmh').getContext('2d');
var windms = document.getElementById('windms').getContext('2d');
var windknp = document.getElementById('windknp').getContext('2d');

var luchtdruk = document.getElementById('luchtdruk').getContext('2d');
var temperatuur = document.getElementById('temperatuur').getContext('2d');
var wolken = document.getElementById('bewolking').getContext('2d');
var mwolken = document.getElementById('mbewolking').getContext('2d');
var hwolken = document.getElementById('hbewolking').getContext('2d');
var neerslag = document.getElementById('neerslag').getContext('2d');
var straling = document.getElementById('straling').getContext('2d');
var zicht = document.getElementById('zicht').getContext('2d');
var radarverwachting = document.getElementById('radarverwachting').getContext('2d');

// $("#windr").html("test");
document.getElementById("windr").innerHTML="<tr><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td><td><img src=items/windpijlen/zw.webp width=24px height=24px></td></tr>"; 

var gradient = windv.createLinearGradient(0, 0, 0, 400);
gradient.addColorStop(0, 'rgba(0,111,174,0.8)');
gradient.addColorStop(1, 'rgba(21,31,38,0.5)');


// Functie om min/max waarden te berekenen met 25% marge
function calculateYAxisRange(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;
    
    return {
        min: Math.max(0, minValue - margin), // Nooit onder nul
        max: maxValue + margin
    };
}

function calculateYAxisRangeTemp(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;    

    var minwaarde = Math.max(0, minValue - margin); // min volgt data, maar als min niet onder nul ligt, geen negatieve ruimte tonen onder grafiek
    if (minValue < -1) {
        minwaarde = minValue - margin;
    }
    return {
        min: minwaarde,
        max: maxValue + margin
    };
}

var radarChart = new Chart(radarverwachting, {
    type: 'bar',
    data: {
        labels: ,
        datasets: [{
            label: 'Radar neerslag',
            data: ,
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, ),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var windChart = new Chart(windv, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wind',
            data: [4,4,4,4,3,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,4,4,4,4],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1, 7),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' bft';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' bft';
                    }
                }
            }
        }
    }
});

var windknpChart = new Chart(windknp, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wind',
            data: [12,12,12,12,10,12,12,12,12,14,14,12,12,14,14,14,16,16,16,16,16,16,14,14,12,12],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1, 18),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' knp';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' knp';
                    }
                }
            }
        }
    }
});

var windkmhChart = new Chart(windkmh, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wind',
            data: [21.6,21.6,21.6,21.6,18,21.6,21.6,21.6,21.6,25.2,25.2,21.6,21.6,25.2,25.2,25.2,28.8,28.8,28.8,28.8,28.8,28.8,25.2,25.2,21.6,21.6],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1, 30.8),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' km/h';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' km/h';
                    }
                }
            }
        }
    }
});

var windmsChart = new Chart(windms, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wind',
            data: [6,6,6,6,5,6,6,6,6,7,7,6,6,7,7,7,8,8,8,8,8,8,7,7,6,6],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1, 10),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m/s';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m/s';
                    }
                }
            }
        }
    }
});

var luchtdChart = new Chart(luchtdruk, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'luchtdruk',
            data: [1017,1017.2,1017.5,1017.5,1017.5,1017.5,1017.4,1017.5,1017.5,1017.4,1017.3,1017.1,1016.9,1016.8,1016.7,1016.6,1016.6,1016.6,1016.6,1016.6,1016.6,1016.5,1016.4,1016.4,1016.4,1016.4],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1011, 1023),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' hPa';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' hPa';
                    }
                }
            }
        }
    }
});

var tempChart = new Chart(temperatuur, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'temperatuur',
            data: [11,11,11,10,10,10,10,10,10,10,10,9,9,9,9,9,9,9,9,10,10,11,11,11,11,11],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRangeTemp(8, 13),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' ºC';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' ºC';
                    }
                }
            }
        }
    }
});

var wolkenChart = new Chart(wolken, {
    type: 'bar',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wolken',
            data: [100,100,100,100,76,100,9,100,100,100,100,100,98,98,88,12,13,48,16,29,100,9,100,26,2,47],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var mwolkenChart = new Chart(mwolken, {
    type: 'bar',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wolken',
            data: [2,100,0,0,3,0,0,5,12,0,0,0,0,0,0,0,0,0,0,64,0,0,22,63,74,93],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var hwolkenChart = new Chart(hwolken, {
    type: 'bar',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'wolken',
            data: [100,100,73,1,79,48,100,100,65,0,0,7,96,60,37,83,79,98,99,100,99,94,93,99,55,87],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var neerslagChart = new Chart(neerslag, {
    type: 'bar',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'neerslag',
            data: [0,0.6,0.4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 3),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var stralingChart = new Chart(straling, {
    type: 'bar',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'Global radiation',
            data: [8,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,73,100,96,94,67,69,40,49,15],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 105),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' W/m2';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' W/m2';
                    }
                }
            }
        }
    }
});

var zichtChart = new Chart(zicht, {
    type: 'line',
    data: {
        labels: ["16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17"],
        datasets: [{
            label: 'zicht',
            data: [3319,2013,4020,4183,4920,5156,50000,5421,50000,50000,7483,7282,6943,50000,50000,7983,9606,10412,11429,11197,50000,50000,50000,50000,50000,50000],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                min: 0,
                max: 55000,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m';
                    }
                }
            }
        }
    }
});